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Compound type chlorinated polyethylene waterproof roll and preparation method thereof

A technology of chlorinated polyethylene and waterproof membrane, which is applied in the field of new waterproof membranes, can solve the problems of polyurea waterproof layer damage, affecting waterproof effect, high engineering cost, etc., and achieves low construction cost, performance quality assurance, and construction quality assurance Effect

Active Publication Date: 2012-07-25
RAILWAY ENG RES INST CHINA ACADEMY OF RAILWAY SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large number of spraying polyurea waterproofing methods are used, which effectively solves the requirement of continuous waterproofing under the base plate, but in the process of application, some problems are also found: ①High engineering cost
②Many influencing factors
③Polyurea spraying construction requires one-time complete coverage of the bridge deck, and the follow-up process will inevitably cause certain damage to the constructed polyurea waterproof layer, affecting the waterproof effect

Method used

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  • Compound type chlorinated polyethylene waterproof roll and preparation method thereof
  • Compound type chlorinated polyethylene waterproof roll and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031]A new type of wide-width waterproof membrane that can replace sprayed polyurea waterproof coatings is made of the following raw materials in parts by weight: 100 parts of chlorinated polyethylene with a chlorine content of 35%, 10 parts of activated calcium carbonate, o-phthalic acid 20 parts of dioctyl dicarboxylate, 0.6 part of phenolic antioxidant, 4 parts of heat stabilizer, 0.5 part of stearic acid, 0.5 part of ultraviolet absorber (UV-327); It is made of 35% phenolic primary antioxidant 1076 and 65% auxiliary antioxidant DSTDP; the heat stabilizer is made of 60% tribasic lead sulfate and 40% composite heat stabilizer;

[0032] A method for preparing a wide-width new waterproof product that can replace spraying polyurea waterproof coatings includes the following steps: (1) Ingredients: mix various raw materials in proportion, and fully stir them evenly at room temperature; (2) Granulate: put The well-stirred mixture is put into the closed plastic refining machine. T...

Embodiment 2

[0034] A new type of wide-width waterproof membrane that can replace sprayed polyurea waterproof coatings is made of the following raw materials in parts by weight: 100 parts of chlorinated polyethylene with a chlorine content of 35%, 10 parts of kaolin, phthalic acid 20 parts of dioctyl fat, 5 parts of epoxidized soybean oil, 3 parts of polyethylene wax, 0.6 parts of phenolic antioxidant, 4 parts of heat stabilizer, 0.5 part of stearic acid, 0.5 part of ultraviolet absorber (UV-327); Described phenolic antioxidant is made by the secondary antioxidant DSTDP that is 35% phenolic main antioxidant 1076 and 65% by weight; Described thermal stabilizer is made of 60% tribasic lead sulfate and Made of 40% compound heat stabilizer;

[0035] A method for preparing a wide-width new waterproof product that can replace spraying polyurea waterproof coatings includes the following steps: (1) Ingredients: mix various raw materials in proportion, and fully stir them evenly at room temperature...

Embodiment 3

[0037] A new type of wide-width waterproof membrane that can replace sprayed polyurea waterproof coatings is made of the following raw materials in parts by weight: 100 parts of chlorinated polyethylene with a chlorine content of 35%, 10 parts of white carbon black, o-phthalic 15 parts of dioctyl dicarboxylate, 5 parts of epoxidized soybean oil, 4 parts of polyethylene wax, 0.6 parts of phenolic antioxidant, 4 parts of heat stabilizer, 0.5 part of stearic acid, 0.5 part of ultraviolet absorber (UV-327) part; described phenolic antioxidant is made by the auxiliary antioxidant DSTDP that is 35% phenolic main antioxidant 1076 and 65% by weight; Described thermal stabilizer is made of 60% tribasic sulfuric acid Made of lead and 40% composite heat stabilizer;

[0038] A method for preparing a wide-width new waterproof product that can replace spraying polyurea waterproof coatings includes the following steps: (1) Ingredients: mix various raw materials in proportion, and fully stir ...

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Abstract

The invention discloses a compound type chlorinated polyethylene waterproof roll and a preparation method of the compound type chlorinated polyethylene waterproof roll, which solve the problems in the construction and use process of spraying polyurea waterproofing coating in the prior art. The adopted technical scheme is as follows: the compound type chlorinated polyethylene waterproof roll comprises the following components in parts by weight in the formula: 90-120 parts of chlorinated polyethylene, 2-30 parts of filling-reinforcing agent, 10-45 parts of softening plasticizer, 0.1-2 parts of phenolic antioxidant, 3-10 parts of heat stabilizer, 0.4-1.5 parts of light stabilizer, 3-8 parts of lubricant and 0.5-3 parts of other agents; the phenolic antioxidant is blended by 30-40% of antioxidant 1076 and 60-70% of antioxidant DSTDP; and the other agents are processing-modifying agents ACR-201 or ACR-301.

Description

technical field [0001] The invention relates to a novel wide-width waterproof coiled material which can replace spraying polyurea waterproof coating, in particular to a composite chlorinated polyethylene waterproof coiled material and a preparation method thereof. Background technique [0002] The construction industry in the 21st century has entered an era of rapid development, requiring beautiful and durable buildings, and building waterproof materials must also have the characteristics of light weight, high strength and long service life. At present, the concrete waterproof layer is an important technical means to improve the durability of building structures. There are many cases of bridge deck or roof water seepage and steel bar corrosion due to waterproof failure, which directly affects its service life. At present, the most widely used waterproof material on high-speed railway bridges is spraying polyurea waterproof coating, which is a kind of polyurea elastomer. This...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/28C08K13/02C08K3/30C08K3/36C08K3/34C08K3/26C08K5/12B29C69/02B29C47/92B29C43/58B29C43/24B29C48/92
Inventor 牛斌王保良胡所亭马林魏峰刘永建葛凯马美琴修磊王浩鲍新艳
Owner RAILWAY ENG RES INST CHINA ACADEMY OF RAILWAY SCI
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