Material for protective coatings of building constructions and units

FIELD: manufacture of building materials.

SUBSTANCE: material is made from principal composition containing polyethylene (mixtures of polyethylenes) and rubber crumb and, additionally, ethylene/vinyl acetate copolymer with vinyl acetate content 10-24% and characterized by melt flowability 10-18 g/10 min. Rubber crumb represents vulcanized waste with particle size 1.0-1.4 mm, which allows obtaining rubber-polymer material capable of being processed into granules and designed to be processed via jet molding into building materials such as large-size tile sheets.

EFFECT: enlarged choice of inexpensive building materials.

13 cl, 2 tbl, 6 ex

 

The invention relates to rezinopolimernykh material capable processed into granules, which can be obtained by a method of injection molding construction materials, such as large sheets of tiles used for protective coatings, construction of buildings and structures.

Known granular organic material, which can be used in the manufacture of polymeric building materials, etc. consisting of hydrolytic lignin and a binder on the basis of low-molecular-weight polyolefin or paraffin (copyright certificate of the Russian Federation No. 939495, 08L 97/00, 1982).

The main disadvantage of the known granular material refers to an inability pellets processing method injection molding due to low melt flow index.

In addition, the granular material has a low physical and mechanical properties and high water absorption.

Also known material for protective coatings for building structures made of main composition containing the polyethylene (a mixture of polyethylene and rubber crumb (RF patent No. 2129133, IPC 08L 23/02, 1999 - prototype).

The defects in the material of the prototype is a low melt flow index (MFR), which cannot provide granular material, sposobnost processing method injection molding in large high quality building products.

This material has a low mechanical properties and high water absorption.

Use this solution as the polymer matrix of the low density polyethylene with a low MFR and a greater degree of filling his rubber crumb in combination with other fillers dramatically reduces VKT composition and affects the rheological characteristics.

The present invention is to create material based on rezinopolimernykh composition having molding properties to obtain a granulated material, capable of processing method injection molding in high-quality large-size building products type of tile. This processing method is preferable, because it is waste-free and high-performance.

The problem is solved due to the fact that the material for protective coatings for building structures made of main composition containing the polyethylene (a mixture of polyethylene and rubber crumb, further comprises a copolymer of ethylene with vinyl acetate (smilin) with a vinyl acetate content in the amount of 10-24% and melt flow index 10-18 g/ 10 min, as rubber crumb contains vulcanized waste with a particle size of 1.0-1.4 mm, with the following content of components per 100 parts by weight of the basic composition:

The polyethylene (a mixture of polyethylenes)25-55 parts by weight
Vulcanized waste25-65 parts by weight
Sevilen10-20 parts by weight

It is advisable as polyethylene to use the primary high-density polyethylene (a mixture of primary polyethylene high density) with a melt flow index 10-23 g/10 minutes

Perhaps as polyethylene to use recycled high-density polyethylene (a mixture of secondary polyethylene high density) with a melt flow index 10-23 g/10 minutes

It is advisable to mixture of polyethylenes contain a primary polyethylene high and low density, the content of the primary low-density polyethylene was less than 60%, a melt flow index of the mixture - 10-23 g/10 minutes

It is advisable to mixture of polyethylenes contain primary high-density polyethylene and recycled high-density polyethylene, the content of recycled high density polyethylene shall be not more than 50%, a melt flow index of the mixture 10-23 g/10 minutes

Optionally, the material may contain up to 10 parts by weight of fibers on the basis of a copolymer of polyacrylonitrile on 100 parts by weight of the basic composition.

Additional material can sod is neigh to 15 parts by weight of micropollutant on 100 parts by weight of the basic composition.

Optionally, the material may contain up to 3.0 parts by weight of sitosterolemia on 100 parts by weight of the basic composition.

Optionally, the material may contain up to 3.0 parts by weight of stabilizers per 100 parts by weight of the basic composition.

Optionally, the material may contain up to 20 parts by weight of superconcentrate pigments per 100 parts by weight of the basic composition.

Optionally, the material may contain up to 10 parts by weight of inorganic pigments per 100 parts by weight of the basic composition.

Optionally, the material may contain up to 15 parts by weight of colloidal silicic acid per 100 parts by weight of the basic composition.

Optionally, the material may contain up to 0.5 parts by weight of the flavoring components per 100 parts by weight of the basic composition.

The technical result is achieved due to the additional presence of Sevillana, which increases adhesion with embedded waste of a larger fraction improves the dispersibility of additives and stabilizing the rheology of the material.

We offer a set of essential features allows to obtain a granulated material with a more uniform distribution of all components in the polymer (carrier) matrix, i.e. well dispergirovannoyj, homogeneous mixture. This property of the mixture provides the product a uniform paint over, without variation in color in one color.

use with a melt flow index 10-23 g/10 min primary high-density polyethylene or mixtures thereof, recycled high-density polyethylene or mixtures thereof, mixtures of primary polyethylene high and low density, a mixture of primary and secondary polyethylene high density contributes to the shape of bulky products during operation, especially at higher temperatures.

Introduction to basic composition of the fibers on the basis of a copolymer of polyacrylonitrile and micropollutant increase strength, reduce shrinkage of the material and provide the dimensional stability of molded products.

Light and heat stabilizers provide resistance to damaging UV radiation and protects the material from deterioration of its characteristics, both during processing and during the operation.

Colloid kremachoclet improves adhesion of vulcanized waste fibers.

The use of the composition vulcanized waste with a particle size of 1.0-1.4 mm in combination with superconcentrator pigments or inorganic pigments ensures material bright colors, improving consumer qualities.

As vulcanized waste, you can use the powder finely ground rubber, obtained by grinding the worn-out automotive, aviation and other tire, sled and cooking chambers, rubber from vulcanized is Chodov enterprises of rubber products based on General purpose rubbers.

Example 1.

In the mixer was loaded per 100 parts by weight of the basic composition of the following components: a primary high-density polyethylene with a MFR=23 g/10 min (GOST 16338-85) - 25 parts by weight, the vulcanized waste with a particle size of 1.0-1.2 mm (TU 2519136-001-6722011820-01) and 65 parts by weight of a copolymer of ethylene with vinyl acetate (smilin) with a vinyl acetate content (TU 6-05-1636-97) 21-24% to 10 parts by weight, colloidal kremnekislyh (Certificate of the firm Degussa, Germany) to 6.0 parts by weight, concentrate red-based polyethylene (PE) (TU-001-23124265-2000) - 20 parts by weight, the aromatic Supplement of flavor walnut R6067 (product of AROMCO, UK, ISO - 9001,) and 0.5 parts by weight and mixed at room temperature. The mixture is ready for processing into pellets in the extruder-granulator. This granular material is made large tile molding under pressure in an industrial environment.

Flavouring agents company "AROMCO" made on the basis of monopropellants and odoriferous substances. This company sells in Russia through a representative firm "Kim limited to the following products:

- flavouring walnut R6067;

the flavor of the pine Nuts R6755;

- flavor Rowan R3180;

- flavor Juniper R6106;

Any of the listed products can be used in the main composition.

When is EP 2.

Was carried out analogously to example 1, but the basic composition contained the following components, in parts by weight:

the mixture of primary polyethylene high density30
vulcanized waste with a particle size of 1.0-1.2 mm52
Sevilen with a vinyl acetate content 17-21%18

and additionally contain:

light "Tinuvin 783" (Certificate of the company
"Ciba, Switzerland, ISO - 9000)1,5.

"Tinuvin 783 - light from the class steric (spatial) obstructed amines.

Example 3.

Was carried out analogously to example 1, but the basic composition contained the following components, in parts by weight:

the mixture of primary polyethylene high40
density and recycled polyethylene
high density (content of recycled polyethylene
high density is 20%)
vulcanized waste with a particle size of 1.0-1.2 mm45
Sevilen content vipi the acetate 15-20% 15

and additionally contain:

micropollutant (TU 5777-006-40705684-2003)10
concentrate red-based PE10

Example 4.

Was carried out analogously to example 1, but the basic composition contained the following components, in parts by weight:

the mixture of primary polyethylene of high and low45
density (contents of primary polyethylene low
density (GOST 16337-77) is 30%)
vulcanized waste with a particle size of 1.2-1.4 mm41
Sevilen with a vinyl acetate content 17-21%14

and additionally contain:

fiber-based copolymer of polyacrylonitrile
(THE 2272-001-14602866)8,0
concentrate red-based PE5,0
flavouring additive flavoring Juniper
R6106 (product of AROMCO")0,3

Example 5.

Was carried out analogously to example 1, is about the basic composition contained the following components, parts by weight of:

secondary high-density polyethylene50
vulcanized waste with a particle size of 1.2-1.4 mm38
Sevilen with a vinyl acetate content of 15-20%12

and additionally contain:

micropollutant15
the mixture of stabilizers "Irganox 1010" and
"Irgafos 168" (company "Ciba, Switzerland, ISO - 9000)1,5

"Irganox 1010" - thermo stabilizer based on spatial difficult phenol.

"Irgafos 168" - thermo stabilizer based neitralizuyushchego phosphate.

Example 6.

Was carried out analogously to example 1, but the basic composition contained the following components, in parts by weight:

the mixture of secondary polyethylene high density55
vulcanized waste with a particle size of 1.2-1.4 mm25
Sevilen with a vinyl acetate content of 10-14%20

and additionally contained: light

"Tinuvin 783"2,0
p is gonna chromium oxide (GOST 2912-79) 8,0

Examples and properties of the examples presented in tables 1 and 2.

The technical result is expressed in the increase of the fluidity of the melt at least 4 times, the ultimate tensile strength is at least 2-fold, relative elongation at break is almost 2 times the lower limit, the reduction of water absorption of at least 2.5 times.

Thus, in the manufacture of articles by injection molding, which ensures good filling of the mold and the reduction of wear, the possibility of manufacturing complex configurations of higher quality with more accurate dimensions.

Besides building products can be custom made products for the electrical and automotive industry, consumer goods, etc.

1. The material for the protective coatings of buildings and structures made from the main composition containing the polyethylene (a mixture of polyethylene and rubber crumb, characterized in that it further comprises a copolymer of ethylene with vinyl acetate (smilin) with a vinyl acetate content in the amount of 10-24% and melt flow index 10-18 g/10 min, as rubber crumb contains vulcanized waste with a particle size of 1.0-1.4 mm in SL is blowing content of components per 100 parts by weight of main composition, parts by weight:

The polyethylene (a mixture of polyethylenes)25-55
Vulcanized waste25-65
Sevilen10-20

2. The material according to claim 1, characterized in that the polyethylene has a primary high-density polyethylene (a mixture of high density polyethylene with a melt flow index 10-23 g/10 minutes

3. The material according to claim 1, characterized in that as polyethylene contains a secondary high-density polyethylene (a mixture of secondary polyethylene high density) with a melt flow index 10-23 g/10 minutes

4. The material according to claim 1, characterized in that the mixture of polyethylene contains a primary polyethylene high and low density, the content of the primary low-density polyethylene is not more than 60%, a melt flow index of the mixture - 10-23 g/10 minutes

5. The material according to claim 1, characterized in that the mixture of polyethylene has a primary high-density polyethylene and recycled high-density polyethylene, the content of recycled high-density polyethylene is not more than 50%, a melt flow index of the mixture 10-23 g/10 minutes

6. The material according to claim 1, characterized in that it additionally contains up to 10 parts by weight of fibers on the basis of which alimera polyacrylonitrile on 100 parts by weight of the main composition.

7. The material according to claim 1, characterized in that it additionally contains up to 15 parts by weight of micropollutant on 100 parts by weight of the basic composition.

8. Material of claim 1, characterized in that it additionally contains up to 3.0 parts by weight of sitosterolemia on 100 parts by weight of the basic composition.

9. The material according to claim 1, characterized in that it additionally contains up to 3.0 parts by weight of a mixture of stabilizers per 100 parts by weight of the basic composition.

10. The material according to claim 1, characterized in that it further contains up to 20 parts by weight of superconcentrate pigments on the basis of polyethylene per 100 parts by weight of the basic composition.

11. The material according to claim 1, characterized in that it additionally contains up to 10 parts by weight of inorganic pigments per 100 parts by weight of the basic composition.

12. The material according to claim 1, characterized in that it additionally contains up to 15 parts by weight of colloidal silicic acid per 100 parts by weight of the basic composition.

13. Material of claim 10, characterized in that it additionally contains up to 0.5 parts by weight of the flavoring components per 100 parts by weight of the basic composition.



 

Same patents:

FIELD: building industry; materials and the methods of production of the protective coatings for the building constructions and structures.

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EFFECT: the invention ensures the improved physical-mechanical filtrationproof and rheological characteristics of the material.

13 cl, 2 tbl, 5 ex

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

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2 tbl

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4 cl, 8 dwg, 1 tbl, 4 ex

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22 cl, 4 tbl, 4 ex

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22 cl, 4 tbl, 4 ex

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