The material for protective coatings for building structures, the method of its production and a method of manufacturing roofing products

 

(57) Abstract:

The invention relates to lisinoprilum materials, production of waterproofing and roofing materials and can be used for the device roof of rolled material or tiles in the construction of buildings and structures. The material for protective coatings for building structures, containing basic composition consisting of rubber waste and waste mixture of high-pressure polyethylene and waste thermoplastics, auxiliary additives and pigments, contains as a waste of high-pressure polyethylene crushed listed waste, as waste thermoplastics - crushed waste of chlorosulfonated polyethylene or crushed polymer waste cable industry, as well as rubber waste - fine rubber powder (TIC) in the following the main components of the composition, wt.h.: the specified mix - 40-45, TIC - 55-60. In the above-mentioned mixture content of the waste chlorosulfonated polyethylene or polymer waste cable industry does not exceed 30 wt.%. The maximum particle size of TIC does not exceed 0,63 mm, and the content of particles up to 0.3 mm is not less than 50 wt.%. The total rolled, the mixture of components produced in two stages: the first stage produces a mixture of TIC with auxiliary additives and pigments at a temperature of 20aboutC for 5-10 min, and in the second stage, mixing the resulting system with a mixture of waste high-pressure polyethylene and waste thermoplastic at a temperature of 75-85aboutC for 35-45 min until a homogeneous mass. Before forming the workpiece homogeneous mass homogenized and plastificator on mixing rolls at a temperature of 90-110aboutC for 10-30 min, and shaping is done on a four-roll calender at a temperature of the first and second calender rolls 110 to 130C, and the third and fourth rolls of the calender from 100 to 120C. In the method of manufacturing roofing products, including the production of material for protective coatings in this way, pressing the pre-heated billet specified material of a certain size and color, superimposed on the base, the workpiece is heated to a temperature of 110-130C, and the pressing is carried out at a pressure of 250 kgf/cm2. The technical result - increase in the efficiency and environmental safety way to increase frost resistance, heat resistance, resistance to acids and serosorting and roofing materials and can be used for the device roof of rolled material or tiles in the construction of buildings and structures.

Known roll roofing material containing protective layer and substrate layers consisting of compositions based on thermoplastic from a number of polyolefin and rubber granules with a particle size of up to 1.0 mm, and the protective layer contains a pigment and technological additives, and a method of manufacturing this material includes a step of mixing at a temperature of 130-150C components of the composition and the stage sequential formation at a given temperature of a rolled billet protective layer and the substrate on the calender technology, while in the process of calendering the substrate with it combine the pre-heated up to 160S protective layer and produce their duplication, thus obtaining a two-layer material (EN 2146322, 1, 10.03.1999). A disadvantage of the known roofing material is its low membrane properties. This fact manifests itself negatively upon contact with water, especially if there are micro - and macro-cracking. In addition, at these temperatures, mixing, molding roll blanks and receive a two-layer material may, volatile products of thermal oxidative degradation of polyolefins, which makes this method of obtaining protective coatings nekoneeny and structures and method thereof based on the composition, consisting of thermoplastics and kucukodabasi waste, where thermoplastic is used, the polyolefin (a mixture of polyolefins containing polyethylene (a mixture of polyethylenes) low-density melt flow index of 0.2 to 10.0 g/10 min, or secondary polyethylene (a mixture of secondary polyethylene) low-density melt flow index of 0.2 to 10.0 g/10 min, or mixture of polyolefins containing low-density polyethylene in the amount of 95-70 wt.%, having a melt flow index of a mixture of 0.2 to 10.0 g/min, and as kucukodabasi use waste rubber powder based on butyl rubber or ethylene-propylene rubber with a particle size of up to 1.0 mm when the content is 100 wt.h. main composition: polyolefin (a mixture of polyolefins) 10-60 wt.h., rubber crumb 40-90 wt.h. In addition, this material is 100 wt.h. main composition contains up to 20 wt.h. pigments and dyes, up to 30 wt.h. modifiers, up to 10 wt.h. stabilizers, up to 60 wt.h. powder and 50 wt.h. fibrous fillers of different chemical nature and particle size. The method of obtaining this material includes the stage of mixing at a temperature of from (TM+5) to (MP+55)and With the roll forming of the workpiece on the calender technology when temperature is in d from (TM-140) to (MP-15), and roll forming of the workpiece material on the calender technology carried out on a four-roll or three-roll calenders at the following temperatures: on the first roll of the calender - (MP+5) to (MP+40)on the second roll of the calender - (MP+5) to (MP+25), the third from (MP-5) to (TM+20), the fourth from (MP-5) to (MP+15)C. In the manufacture of high profile sheet material rolled billet is subjected to additional cutting operation, heating the billet to a temperature (TM+20)-(MP+90)for 5-40 min and molding the heated preform stamping cold stamp at a temperature of (TM-150)-(MP-40), where MP is the melting point of thermoplastic equal 110S (EN 2129133 C1, 1999.04.02). The disadvantages of this material is low membrane properties during operation associated with the presence in the main composition of a significant number of particles of crumb rubber is larger than 0,63 mm, and fickle as the main composition-dependent significant (up to 50 wt.h.) fluctuations in the ratio of wt.h. main mix components, as well as from significant (up to 60 wt.h. on 100 wt.h. the main composition) the amount and type of additives and fillers. The method of obtaining this material trebuemoi technology and manufacturing roofing material almost to the 190S, what makes this method environmentally hazardous due to selection at these temperatures a significant amount of toxic volatile products thermo-oxidative degradation of polyolefins. Also, adding in the basic composition of a significant number of different powder or fibrous fillers significantly complicates reuse formed during the formation of rolled billets and in the manufacture of roofing material.

The present invention is to eliminate the disadvantages of the prototype.

The problem is solved due to the fact that the material for protective coatings for building structures, containing basic composition consisting of rubber waste and waste mixture of high-pressure polyethylene and waste thermoplastics, auxiliary additives and pigments, as a waste of high-pressure polyethylene used crushed listed waste, as waste thermoplastics - crushed waste of chlorosulfonated polyethylene or crushed polymer waste cable industry, as well as rubber waste - fine rubber powder (TIC) in the following components of the main compon in this mixture the content of crushed waste chlorosulfonated polyethylene, as well as the content of the crushed polymer waste cable industry, does not exceed 30 wt.%, and as part of TIRP the maximum particle size does not exceed 0,63 mm when the content of particles up to 0.3 mm not less than 50 wt.%. At the same time to preserve the high quality material for various purposes, the total number of auxiliary additives and pigments does not exceed 15.0 wt.h. on 100 wt.h. the main composition.

In a known method of obtaining material for protective coatings for building structures, containing basic composition consisting of rubber waste and mixtures of polyethylene and waste thermoplastics, auxiliary additives and pigments (EN 2129133 C1, 1999.04.02), taken as the closest analogue of the claimed technical solution, obtaining the main composition at the stage of mixing of these components requires heating the mixed system almost to the 160S, and at the stage of forming the rolled billet on the calender technology to 190S, what makes this method environmentally hazardous due to selection at these temperatures a significant amount of toxic products thermo-oxidative degradation of polyolefins.

In the proposed CSP is stoaway from waste rubber and waste mixture of polyethylenes of high pressure and waste thermoplastics, auxiliary additives and pigments, comprising a stage of mixing the above components and molding blanks specified material, the mixture of components produced in two stages, the first stage produces a mixture of TIC with auxiliary additives and pigment at 20 ° C for 5-10 min, and the second stage produces a mixture of the resulting system with a mixture of waste high-pressure polyethylene and waste thermoplastic at a temperature of 75-85C for 35-45 min until a homogeneous mass, while in the above-mentioned mixture, the content of the shredded waste chlorosulfonated polyethylene, as well as the content of the crushed polymer waste cable industry, does not exceed 30 wt.%, and as part of TIRP the maximum particle size does not exceed 0,63 mm, and the content of particles up to 0.3 mm is not less than 50 wt.%, the total number of auxiliary additives and pigments does not exceed 15 wt. hours at 100 wt. including the main composition.

After the second stage of mixing, before forming the procurement of the specified material, homogeneous mass is homogenized and plastificator on mixing rolls at a temperature of 90-110S for 10-30 min, and the shaping of the workpiece specified mate, on the third and fourth rolls of the calender from 100 to 120C.

A known method of manufacturing roofing products, including the production of material for protective coatings for building structures, containing basic composition consisting of rubber waste and crushed waste of high-pressure polyethylene, auxiliary additives and pigments by mixing the above components, molding blanks specified material, pressing podrasowanym roller preheated to 120-130C material procurement of a certain size and color, imposed on the basis (EN 2146322 C1, 10.03.1999). A distinctive feature of the proposed method of manufacturing roofing products from the known method is that the basic composition contains waste high-pressure polyethylene in the mixture with the shredded waste of chlorosulfonated polyethylene or crushed plastic waste cable industry, as well as waste rubber - concisely rubber powder (TIC) in the following the main components of the composition, wt. hours: the specified mix 40-45, TIC 55-60, and the mixture of these components are produced in two stages, the first stage produces a produce a mixture of the resulting system with the above mixture at a temperature of 75-85C for 35-45 min until a homogeneous mass. The resulting mass conveyor belt serves on mixing rolls, where for 10-30 minutes at a temperature of 90-110S its homogenized and plastificator. Molding preform of the specified material in the form of a rolled canvas carried out on the four-roll calender at a temperature of the first and second calender rolls 110 to 130C, and the third and fourth rolls of the calender from 100 to 120 C. After the calender canvas is supplied to the cooling unit, where calandrino canvas cool running water to room temperature and wound into a reel. Bobbin kalandrovogo paintings of the crane beam is transferred to rozpakowany table where visual inspection is subjected to sorting, trimming, marking according to THE 5774-001-48149088-01, and further, for the manufacture of roofing products rolled material arrives on site forming and cutting products, where it is cut into blanks of certain geometric dimensions. The obtained workpiece substrate and material of the desired color gamut placed in an oven, heated for 5-15 min to a temperature of 110-130C. The heated billet of the desired colors are put on the base, placed in a hydraulic press and a pressure of 250 kgf/cm2and within 40 formed in the roof and the atmospheric temperature, visually inspect, measure thickness, cut around the edges to the required geometrical sizes, labeled, bagged, and transported to the warehouse of finished products.

In the manufacturing process of rolled material and roofing products all defective parts, trim, edges, joints are harvested, crushed and re-used in the production base, thereby rendering the proposed method of obtaining material for protective coatings for building structures in virtually waste-free process, and the operations of mixing, milling, calendering the fabric and forming roofing products at temperatures not exceeding 140 C (onset thermodestruction polyolefins), makes the proposed method in comparison with the prototype economically and environmentally more acceptable.

Use for the production of the material as a thermoplastic waste of high-pressure polyethylene in the mixture of waste chlorosulfonated polyethylene or polymer waste cable industry (polystyrene, polyethylenterephtalate, polycarbonate and other waste) allows you not only to expand the raw material base for production of predlagaet this important property manufactured roofing material, as fire.

Use instead of rubber granules with a particle size of up to 1.0 mm micronized rubber powder (TIC) with a maximum particle size of up to 0.63 mm and a content of particles up to 0.3 mm, more than 50 wt.%, allows you to get the flooring and roofing products, the quality and appearance superior to similar products obtained with known rubber crumb.

In table. 1 is the formula composition of different samples of rolled material obtained by the proposed method, and table.2 shows the results of the test data of the samples made in accordance with GOST 2678-87 “Materials rolled roofing and waterproofing”.

As follows from the data table.2, the proposed material on characteristics such as tensile strength (MPa) elongation at break (%) water absorption (%) is at the level of the prototype, and frost (C) and retention resistance to acids, alkalis, and the temperature exceeds the prototype.

1. The material for protective coatings for building structures, containing basic composition consisting of rubber waste and waste mixture of high-pressure polyethylene and waste thermopl the high pressure crushed specified waste as waste thermoplastics - crushed waste of chlorosulfonated polyethylene or crushed polymer waste cable industry, as well as rubber waste - fine rubber powder - TIC - in the following the main components of the composition, wt.h.

The specified mix 40-45

TIC 55-60

2. The material under item 1, characterized in that the above-mentioned mixture, the content of the shredded waste chlorosulfonated polyethylene does not exceed 30 wt.%.

3. The material under item 1, characterized in that the above-mentioned mixture, the content of the crushed polymer waste cable industry does not exceed 30 wt.%.

4. Material according to any one of paragraphs.1-3, characterized in that the composition of TIRP the maximum particle size does not exceed 0,63 mm, and the content of particles up to 0.3 mm is not less than 50 wt.%.

5. Material according to any one of paragraphs.1-3, characterized in that the total number of auxiliary additives and pigments does not exceed 15 wt.h. on 100 wt.h. the main composition.

6. The material on p. 4, characterized in that the total number of auxiliary additives and pigments does not exceed 15 wt.h. on 100 wt.h. the main composition.

7. The method of obtaining material for samitto and waste mixture of high-pressure polyethylene and waste thermoplastics, auxiliary additives and pigments, comprising a stage of mixing these components, molding blanks specified material and winding it into a roll, characterized in that for receiving material p. 1 mixture of components produced in two stages, the first stage produces a mixture of TIC with auxiliary additives and pigments at a temperature of 20aboutC for 5-10 min, and the second stage produces a mixture of the resulting system with a mixture of waste high-pressure polyethylene and waste thermoplastic at a temperature of 75-85aboutC for 35-45 min until a homogeneous mass.

8. The method according to p. 7, characterized in that the above-mentioned mixture, the content of the shredded waste chlorosulfonated polyethylene does not exceed 30 wt.%.

9. The material on p. 7, characterized in that the above-mentioned mixture, the content of the crushed polymer waste cable industry does not exceed 30 wt.%.

10. The method according to any of paragraphs.7-9, characterized in that the composition of TIRP the maximum particle size does not exceed 0,63 mm, and the content of particles up to 0.3 mm is not less than 50 wt.%.

11. The method according to any of paragraphs.7-9, characterized in that the total number of auxiliary additives and pigments is the number of auxiliary additives and pigments does not exceed 15 wt.h. on 100 wt.h. the main composition.

13. The method according to p. 7, wherein before forming the procurement of the specified material homogeneous mass homogenized and plastificator on mixing rolls at a temperature of 90-110S for 10-30 minutes

14. The method according to p. 7 or 13, characterized in that the molding preform of the specified material is carried out on the four-roll calender at a temperature of the first and second calender rolls 110-130C, and the third and fourth rolls of the calender 100-120C.

15. The method of manufacturing roofing products, including the production of material for protective coatings for building structures, containing basic composition consisting of rubber waste and crushed waste of high-pressure polyethylene, auxiliary additives and pigments by mixing the above components, molding blanks specified material, pressing the pre-heated billet specified material of a certain size and color, superimposed on the base, wherein the core composition comprises a waste of high-pressure polyethylene in the mixture with the shredded waste of chlorosulfonated polyethylene or crushed plastic waste cable is Ergani main components of the composition, wt.h.

The specified mix 40-45

TIC 55-60

the mixture of these components are produced in two stages, the first stage produces a mixture of TIC with auxiliary additives and pigments at 20 ° C for 5-10 min, and the second stage produces a mixture of the resulting system with the above mixture at a temperature of 75-85C for 35-45 min until a homogeneous mass, the workpiece is heated to a temperature of 110-130C, and the pressing is carried out at a pressure of 250 kgf/cm2.

16. The method according to p. 15, wherein before forming the procurement of the specified material homogeneous mass homogenized and plastificator on mixing rolls at a temperature of 90-110S for 10-30 minutes

17. The method according to p. 15 or 16, characterized in that the molding preform of the specified material is carried out on the four-roll calender at a temperature of the first and second calender rolls 110-130C, and the third and fourth rolls of the calender 100-120C.

 

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