The adhesive composition
(57) Abstract:The invention relates to the production of adhesive compositions based on polychloroprene rubbers used in the radio industry for bonding articles of ferrites. The invention improves the bond strength of ferrite products /pull/ to 8.3 kg/cm2after 72 h and to reduce the time of rejection through the use of a copolymer of styrene and piperylene with the content of the bound styrene 91 to 93 mol.% and additional content, pine rosin, rosin, esterified with glycerol to 40 wt.%, diphenylguanidine 2,2-dimensionalised, zinc oxide and oskido magnesium. The adhesive composition contains by weight.h.: polychloroprene rubber 100; butylbenzaldehyde resin 90 - 110, copolymerizable and piperylene 1 - 6; rosin, esterified with glycerol to 40 wt.%, 1 - 3; pine rosin 1 - 3; diphenylguanidine 0,5 - 1,5; 2,2-dimensionalised 1.5 to 2.5; zinc oxide 4 - 6; magnesium oxide 10 to 14; an organic solvent 300 - 700. table 2. The invention relates to adhesive compositions based on polychloroprene rubbers and can be used in the radio industry, in particular for bonding articles of ferrites.However, this adhesive composition (although it finds application in the radio industry for bonding ferrite cores for transformers) does not provide a sufficiently high strength for bonding articles of ferrites (achieved tensile strength for bonding ferrite does not exceed 7,1 kg/cm2). Besides this, the adhesive composition is relatively viscous (80-180 PZ at 20aboutC), making it difficult to ensure uniform wetting her at the bonding surface.Closest to the invention to the technical essence and the achieved result is an adhesive composition comprising polychloroprene rubber butylbenzaldehyde resin, a copolymer of styrene and piperylene with the content of the bound styrene 60-80 mol.% and an organic solvent (USSR Author's certificate N 1399318, CL 09 J 3/12). As solvent a mixture of ethyl acetate and petrol. However, this adhesive, although showing a slightly higher strength when bonding products from ferrites (achieved tensile strength of 7.0 kg/cm2), but it is not large enough.In addition, when the fast (within 72 h), what complicates the technology of bonding when using this glue.The aim of the invention is to increase the strength of bonding of ferrite products and decrease the curing time.This objective is achieved in that the adhesive composition comprising polychloroprene rubber, butylbenzaldehyde resin, a copolymer of styrene and piperylene, organic solvent as a copolymer of styrene and piperylene it contains a copolymer of styrene and piperylene with the content of the bound styrene 91-93 mol.%, rosin, esterified with glycerol to 40%, and pine rosin, diphenylguanidine, 2,2'-dibenzothiazoledisulphide, oxides of zinc and magnesium, with the following ratio of components, wt.h. Polychloroprene rubber 100 Butylformamide - Gena resin 90-110 Copolymer of styrene and p - perylene with content related Sterol-93 mol. % 1-6 Rosin esterified with glycerol to 40% 1-3 pine Rosin 1-3 Diphenylguanidine 0,5-1,5 2,2'-Dibenzothiazoledisulphide 1.5 to 2.5 zinc Oxide 4-6 magnesium Oxide 10-14 Organic solvent 300-700
Polychloroprene rubber Nairit (DP) - (TU-6-01-1319-85), or Nairit NT-N-(TU-601781-73) or neoprene (import) is the main film-forming adhesives-dissolve the Copolymer of styrene and piperylene General formula (C5H3)n(C8H8)mc content of the bound styrene 91-93 mol.% obtained by copolymerization of piperylene and styrene butyllithium catalyst and is a white amorphous mass, soluble in ethyl acetate and other organic solvents. The copolymer is a cheap substance, as piperylene by-product in the production of isoprene from isopentane. Synthesis of samples of a copolymer of styrene and piperylene with the content of the bound styrene 91-93 mol.% conducted according to the method described in a Positive decision on the application N 4333812/23-05 "Method of production of a copolymer of styrene with piperylene" (Published in the print media are not subject).P R I m m e R. a Copolymer of styrene with piperylene containing 92 mol.% styrene is produced by polymerization of a mixture of styrene and piperylene (containing 92 mol. % styrene) in a hydrocarbon solvent. In purged with inert gas glass reactor, is injected at a temperature of reactor 11aboutC and stirring 500 ml of toluene, to 102.2 g of a mixture of monomers of styrene and piperylene that is 50% of the total amount of the mixture 205,9 g, prepared by mixing 195 g of styrene and 10.9 g of piperylene (styrene content in a mixture of 92 mol. % ). In the reactor is injected to 7.7 MT of the remaining amount of 103 g (50%) of a mixture of styrene and piperylene. The reaction mixture was kept for 30 min and then the temperature of the reactor jacket was adjusted to 30aboutWith and spend depolymerization within 2 hours the Polymerization cut short by the introduction of ethanol. After removal of the solvent receive 205,9 g of a copolymer of styrene with piperylene (100% output) with the content of 92 mol.% styrene (confirmed by GC and NMR spectra). The characteristic viscosity of the copolymer  = 0,81.Similarly performed the synthesis of other samples of a copolymer of styrene and piperylene using the appropriate quantities of the monomers.Copolymers of styrene and piperylene with the content of the bound styrene 91-93 mol.% earlier in the adhesive compositions were not used.Rosin, esterified with glycerol to 40% (THE 81-05-25-87) - previously not been used in the adhesive compositions used in the cable industry as an insulating material).Pine rosin (GOST 19113-73) and vulcanizing group: zinc oxide (zinc white), magnesium oxide (burnt magnesia GOST 844-79), diphenylguanidine (TU - GOST 40-67), 2,2'-dimensionalised (altax) (GOST 70-85-75) was previously used in the adhesive compositions (Kardashov D. A., Petrova A. C. Polymer adhesives. the ina, (gasoline-solvent BR-1 GOST 443-76) in the ratio of the ethyl acetate 150-350 wt.h. and nefras (or gasoline) 150-350.The adhesive composition is prepared as follows. First prepare the rubber mixture (a mixture of plant, altaxe, diphenylguanidine, of magnesium oxide in rubber mixer for 10 minutes, the temperature of the mixer shall not exceed 50aboutC. the Mixture is subjected to rolling for 5-6 minutes Then heated rubber mixture with part of the solvent (about 0.1 h from the total amount of solvent) is clearesult. Remaining solvent together with other ingredients of the adhesive composition butylbenzaldehyde resin, zinc oxide, rosin, rosin esterified with glycerol, a copolymer of styrene and piperylene loaded portions in clearesult as swelling rubber compound. Total time clemmesen is 4.5-5 hours, with the introduction of rosin, esterified with glycerol, and copolymer of styrene and piperylene can be carried out after preparation of the adhesive composition on the basis of the remaining components.An example of the preparation of the adhesive composition. Beginning in clearesult load 0.2 l of an organic solvent (ethyl acetate-petrol is Aqsa, 1 wt.h. diphenylguanidine and 12 wt.h. magnesium oxide) and stirred for 1.5 h; enter 0.3 l of solvent and load of 1.25 kg resin 101, 24 g of the copolymer with the content of 92 mol.% styrene, 24 g of pine rosin, 24 g of rosin, esterified with glycerol to 40% , and stirred for 0.7 hours; add 0.5 l of solvent, mix of 0.16 h and a load of 60 g of zinc oxide in suspension with the solvent (0.2 l), stirred for 0.3 hours, add 2 l of solvent, stirred for 0.3 h, 3 l stirred for 0.3 h) and 1.7 l and stirred for 1 hThe viscosity of the prepared adhesive compositions (determined by Brookfield) 20 P.Receive adhesive composition 1 (see tab.1). Other (1-15) composition was obtained similarly using the appropriate quantities of the ingredients.The test adhesive compositions were performed on a ferrite core transformers. The technology of bonding ferrite cores of transformers the following. One-time application of the prepared adhesive to the prepared surface (end faces) of the ferrite core, drying the adhesive film at room temperature (20aboutC) for 10 min, after which he produced a thick suffocating glued the ASS="ptx2">For the comparative tests was prepared with 15 choices of songs (according to the method described in example 1) and the composition of the prototype presented in table. 1. The proposed composition was used to bond strength achieved during curing at room temperature (20aboutC) for 12, 24, 48 and 72 hoursComparative tests of strength properties of adhesives for all options and prototype, as well as analogue (using glue, Diamond 1600) are given in table.2.As can be seen from the data table.2 the proposed adhesive composition provides an increase in strength properties of adhesive joints in comparison with the prototype and decrease the curing time of the adhesive joint. So the strength of the adhesive joint strength of the prototype after 24, 48, 72 h, respectively 6,0; a 6.5 and 7.0 kg/cm2and using the proposed composition after 24, 48 and 72 h, respectively, and 7.1, and 8.2 and 8.3 kg/cm2.Thus as can be seen from the table.2 when combined in the proposed adhesive composition of the copolymer of styrene and piperylene with the content of the bound styrene 91-93 mol.% and rosin, esterified with glycerol to 40% , in the specified proportions (when the benefits of the adhesive joint when gluing products from ferrites, due to the participation of the copolymer and a partially esterified glycerol rosin intensive complexation with metal ions on the surface of the ferrite.Technical and economic effect, resulting from the application of the adhesive compositions is that its use can significantly improve the quality fastening products from ferrites, to improve the technological parameters of the bonding process. In addition, its use allows the use of by-product (waste) petrochemical production (piperylene). The ADHESIVE COMPOSITION comprising polychloroprene rubber, butylbenzaldehyde resin, a copolymer of styrene and piperylene and an organic solvent, characterized in that, to increase the strength of bonding of ferrite products and reduce the curing time, it contains as a copolymer of styrene and piperylene copolymer of styrene and piperylene with the content of the bound styrene 91 to 93 mol.% and additionally pine rosin, rosin, esterified with glycerol to 40 wt.%, diphenylguanidine, 2,2'-dibenzothiazoledisulphide, zinc oxide and magnesium oxide in the following ratio, wt.h.:
Polychloroprene rubber - 1o
styrene 91 to 93 mol.% - 1 - 6
Rosin, esterified with glycerol to 40 wt.% - 1 - 3
Pine rosin - 1 - 3
Diphenylguanidine - 0,5 - 1,5
2,2'-Dibenzothiazoledisulphide and 1.5 - 2.5
Zinc oxide - 4 - 6
Magnesium oxide - 10 - 14
Organic solvent - 300 - 700
FIELD: rubber industry, in particular chloroprene resin-based adhesive compositions.
SUBSTANCE: claimed composition contains nairitic adhesive, epoxy dianic resin and still waste from aniline production. Composition of present invention is useful in adhesion of vulcanized rubber surfaces or rubber and metal surfaces.
EFFECT: composition of improved adhesion strength.
3 tbl, 1 ex
FIELD: resin industry.
SUBSTANCE: invention relates to adhesive compositions bases on chloroprene rubber. Claimed composition contains nairit adhesive and as modifier epoxy dianic resin and still bottom from aniline production. Composition of present invention is useful in cementation of vulcanized rubber articles with one another or vulcanized rubber with metal surface.
EFFECT: composition with increased adhesive strength.
3 tbl, 1 ex
FIELD: glue compositions.
SUBSTANCE: invention relates to chloroprene-base rubber gluing compositions and can be used in rubber industry in gluing vulcanized rubber. The claimed composition comprises nairit glue 88 NT, butylphenolformaldehyde resin 101 K, zinc oxide, magnesium oxide, thiuram and organic solvent representing a mixture of ethyl acetate and nefras. Invention provides enhancing strength in gluing vulcanized rubber. The composition comprises methacrylic acid glycide ester as a modifying agent and vat waste from aniline manufacturing additionally.
EFFECT: improved and valuable properties of composition.
FIELD: gluing compositions.
SUBSTANCE: invention relates to chloroprene rubber-base gluing compositions and can be used in rubber industry in gluing vulcanized rubber. The gluing composition comprises polychloroprene rubber neoprene AS, butylphenolformaldehyde resin 101 K, water, zinc oxide, magnesium oxide and organic solvent representing a mixture of ethyl acetate and nefras. The composition comprises methacrylic acid glycide etser as a modifying agent and vat waste in manufacturing aniline with the aniline content 15-18 mas. p. p. The gluing composition provides enhanced gluing strength.
EFFECT: improved and valuable properties of composition.
FIELD: glues, rubber industry.
SUBSTANCE: invention relates to chloroprene rubber-base gluing composition. The gluing composition comprises polychloroprene rubber Nairit DP, butylphenolformaldehyde resin 101K, water, zinc oxide, magnesium oxide, organic solvent representing a mixture of ethyl acetate and nefras and comprises methacrylic acid glycide ester as a modifying agent and vat waste in aniline manufacturing with the content of aniline 15-18 mas. p. p. Proposed gluing composition provides the enhanced strength in gluing. Invention can be used in rubber industry in gluing vulcanized rubber.
EFFECT: improved and valuable technical properties of composition.
FIELD: mechanical rubber goods, automotive industry, adhesive composition based on chlorine-containing rubber.
SUBSTANCE: claimed composition contains chlorinated natural rubber, aromatic dinitroazo compound, epoxy resin, fillers, and antioxidants. Said composition is characterized in that it contains 2,3-dichlorobutadiene-1,3/chloroprene copolymer as polymeric carrier and additionally phenol-formaldehyde resins of phenol- and resole-type, wetting agent and mixture of xylene or toluene with methylethylketone as solvent.
EFFECT: universal composition with increased adhesive resistance.
FIELD: rubber industry; production of the glue compositions.
SUBSTANCE: the invention is pertaining to the glue compositions based on chloroprene rubber and may be used in rubber industry at bonding of the vulcanized rubber parts among themselves. The glue composition contains poly chloroprene rubber butylphenolformaldehyde tar water, zinc oxide, magnesium oxide, the organic solvent representing the mixture of ethyl-acetate and nefrac and contains epichlorohydrin as the modifying agent. According to the second version of the invention realization the composition besides epichlorohydrin taken as the modifying agent contains the residual wastes of the phenylamine production with the content of aniline equal to 15-18 mass %. The glue composition ensures the heightened bonding strength of the vulcanized rubbers.
EFFECT: the invention presented glue composition ensures the heightened bonding strength of the vulcanized rubbers.
FIELD: glued materials.
SUBSTANCE: invention relates to isoprene rubber-base gluing composition. The gluing composition comprises polychloroprene rubber Nairit KRNT, butylphenolformaldehyde resin 101K, zinc oxide, magnesium oxide, organic solvent representing a mixture of ethyl acetate and Nefras and, additionally, diphenylguanidine as a plasticizing agent and a modifying agent prepared by mixing epoxy diane resin ED-20 and aniline vat waste with aniline content 15-18 mass. p. p. in the ratio = 2:1. The gluing composition provides enhanced gluing strength of vulcanized rubbers and its attachment to metallic surfaces. Invention can be used in rubber industry in gluing vulcanized resin.
EFFECT: improved and enhanced properties of composition.
FIELD: rubber industry; methods of production of rubber mix on base of chloroprene rubber for preparation of cold-setting adghesives.
SUBSTANCE: chloroprene rubber of NYRIT KPHT grade is subjected to steam heating before mixing with zinc oxide and magnesium oxide; steam heating is continued for an hour at temperature of 100°C, after which mix is subjected to rolling till rubber sheet is formed. Then, diphenyl guanidine is introduced and mix is rolled, after which modifying agent is introduced; modifying agent is obtained preliminarily through interaction of epoxy diane resin and stillage waste of aniline process at mass ratio of 2:1 and content of aniline of 15-18 parts by mass. Rubber mix is used for making adhesive composition with the use of solvent and resin 101K. This adhesive composition enhanced quality of attachment of rubber to rubber and to metal.
EFFECT: utilization of petrochemical process waste - aniline.
4 tbl, 1 ex
FIELD: gluing materials.
SUBSTANCE: invention relates to chloroprene rubber-base gluing composition and can be used in rubber industry for gluing vulcanized rubber. The gluing composition comprises polychloroprene rubber Nairit РНП, butylphenolformaldehyde resin 101K, water, zinc oxide, magnesium oxide, a mixture of ethyl acetate and Nefras as an organic solvent, and aniline resin as a modifying agent representing waste formed in aniline synthesis wherein the content of aniline is 15%, not above. The proposed composition provides enhancing strength in gluing vulcanized rubber based on different rubbers.
EFFECT: improved and valuable properties of composition.
FIELD: manufacture of multilayer textile floor covering having layers bound with adhesive.
SUBSTANCE: binding substance includes aqueous dispersion of mixture of polymer A) consisting of 60 wt% of ethylene and ethylene-unsaturated acid as balance, and polymer B) produced by radical polymerization and composed of mixture of vinyl aromatic compound and diene used in weight ratio of 90:10-20:80 or 80-99.9% by weight of vinyl aromatic compound, diene or mixture thereof and 0.1-20% by weight of ethylene unsaturated acid. Polymers A) and B) are used in weight ratio of (0.1-50):(50-99.9).
EFFECT: increased adhesive strength of glued layers of textile web, reduced consumption of adhesive and increased effectiveness by avoiding prolonged drying of article.
7 cl, 4 tbl, 4 ex
SUBSTANCE: invention relates to production of adhesive composition and self-adhesive material based thereon suitable for repair and maintenance works in aviation, automotive industry, shipbuilding and other fields. Adhesive composition contains isoprene-styrene thermoplastic elastomer, tackifier, plasticiser and organic solvent. A thermoplastic elastomer with 5-7% styrene content is used, and terpene phenol resin, terpene styrene resin or styrene idene resin is used as a tackifier. Self-adhesive material consists of a substrate with adhesive layer applied thereon. The said adhesive composition is used as an adhesive layer. Substrate is made of glass fabric; aluminium foil or polymer film may be used as well. Application of adhesive composition and self-adhesive material based thereon provides for significant reduction in labour intensity and power consumption required for repair works on airframe surface, as well as on other structures, and provides for longer overhaul life of aviation equipment.
EFFECT: significant reduction in labour intensity and power consumption required for repair works on airframe surface, as well as on other structures, and longer overhaul life of aviation equipment.
7 cl, 3 tbl, 1 ex
FIELD: adhesive compositions for polyvinyl chloride-based adhesive tapes.
SUBSTANCE: claimed adhesive contains perchlorvinyl resin, plasticizer, pine-wood rosin, and filler. Mixture of dioctylphthalate and chlorinated alpha-olefins, obtained from waste of ethylene oligomerization, is used as plasticizer, and activated mixture of natural zeolite and calcium oxide is used as filler. Adhesive tapes of present invention are useful as sealing and protective coatings for gas and oil line coil.
EFFECT: polyvinyl chloride-based adhesive tapes with improved adhesive quality and reduced plasticizer migration from tape into adhesive tape.
3 ex, 1 tbl
FIELD: gluing and sizing compositions.
SUBSTANCE: invention relates to the essentially anhydrous sizing composition and an aqueous sizing composition used in sizing paper and cardboard. Essentially anhydrous and an aqueous sizing compositions comprise gluing substance, non-ionogenic surface-active substance, an anionic surface-active substance and a monohydric alcohol. Method for preparing an aqueous composition involves homogenization of gluing substance in the presence of surface-active substances and monohydric alcohol. Invention provides preparing sizing compositions that can be homogenized easily, i. e. they represent dispersions or emulsions formed by application of insignificant shearing forces, for example, such as stirring and provides preparing sizing compositions that are stable in storage.
EFFECT: improved preparing method, improved and valuable properties of compositions.
15 cl, 6 tbl, 3 ex
FIELD: soft wares, paper.
SUBSTANCE: compound is intended for pulp materials hydrophobisation and can be used in pulp and paper industry and at paper and board manufacturing. Compound contains modified thallous galipot, paraffin, thallous fatty acids and balancer at defined components ratio. In the capacity of balancer sodium lauryl sulfate, sodium laureth sulfate, cocoamidopropylbetain or cocoamidopropylaminochloride is used.
EFFECT: compound refinement for hydrophobisation of pulp materials, supplying of its hydrophobization efficiency and storage life duration.
5 cl, 1 tbl
SUBSTANCE: adhesive composition contains a combination of butadiene-styrene thermoplastic elastomers with a linear or radial structure, glycerine rosin ester, petroleum resin, dibutylphthalate, quinol ether and an organic solvent.
EFFECT: composition increases adhesion strength of different flexible substrates, for example rubber, leather, textile materials, artificial leather and other materials.
3 tbl, 5 ex
SUBSTANCE: glue composition includes perchlorovinyl resin, plasticiser and adhesion-increasing additive. Composition additionally contains hydroxylated 1,2-polybutadiene or hydroxylated syndiotactic 1,2-polybutadiene in quantity from 1 to 15 wt.p.; hydroxylated 1,2-polybutadiene with average weight molecular weight from 8000 to 12000 being applied. Degree of hydroxylation in hydroxylated 1,2-polybutadiene consistitutes from 2 to 27%.
EFFECT: increased adhesion of sticky PVC-tape to metal surface.
3 cl, 11 ex, 1 tbl