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Waterproof rolled material and preparation method thereof

A technology of waterproofing membrane and chlorinated polyethylene, which is applied to flat products, other household appliances, applications, etc., can solve the problems of high formula cost, inability to fully meet product performance indicators, etc., and achieves low production cost, superior performance indicators, The effect of good application prospects

Inactive Publication Date: 2010-09-29
SHANXI SIFANG HENGTAI WATERPROOF MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing two types of waterproof coiled materials for bridge engineering basically use high-pressure polyethylene to modify chlorinated polyethylene as the base of the waterproof coiled material, which cannot fully meet the performance indicators of the product
If thermoplastic rubber SBS or thermoplastic elastomer TPE is used as the main material, the formula cost is too high, and a modified chlorinated polyethylene waterproof membrane and its preparation method are provided.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A modified chlorinated polyethylene waterproof membrane, made of the following raw materials in parts by weight: 80 parts of ethylene-octene copolymer with an octene content of 30 wt%, 10 parts of chlorinated polyethylene with a chlorine content of 25 wt% , 20 parts of linear high-pressure polyethylene, 10 parts of activated calcium carbonate, 5 parts of dioctyl phthalate, 0.2 parts of phenolic antioxidant, 0.2 parts of heat stabilizer, 0.2 parts of stearic acid, ultraviolet absorber (UV327) 0.5 part; The phenolic antioxidant is made by the phenolic main antioxidant 1010 of 50% and the phenolic secondary antioxidant 168 of 50% by weight ratio, and heat stabilizer is by the dibasic base subunit of 50% by weight ratio Made of lead phosphate and 50% lead sulfate tribasic.

[0015] The method for preparing the modified chlorinated polyethylene waterproofing membrane comprises the following steps: (1) batching: mixing various raw materials in proportion, and fully stirring e...

Embodiment 2

[0017]A modified chlorinated polyethylene waterproof membrane, made of the following raw materials in parts by weight: 85 parts of ethylene-octene copolymer with an octene content of 30 wt%, 15 parts of chlorinated polyethylene with a chlorine content of 25 wt% , 25 parts of linear high pressure polyethylene, 30 parts of colloidal calcium carbonate, 10 parts of chlorinated paraffin, 0.5 part of phenolic antioxidant, 0.5 part of heat stabilizer, 0.5 part of granular paraffin, 0.5 part of ultraviolet absorber (UV327); The antioxidant is made of 50% phenolic primary antioxidant 1010 and 50% phenolic secondary antioxidant 168 by weight, and the heat stabilizer is 50% by weight of dibasic lead phosphite and 50% Tribasic lead sulfate.

[0018] The method for preparing the modified chlorinated polyethylene waterproofing membrane comprises the following steps: (1) batching: mixing various raw materials in proportion, and fully stirring evenly at room temperature; (2) granulating: putt...

Embodiment 3

[0020] A modified chlorinated polyethylene waterproof membrane, made of the following raw materials in parts by weight: 90 parts of ethylene-octene copolymer with an octene content of 30 wt%, 20 parts of chlorinated polyethylene with a chlorine content of 25 wt% , 30 parts of linear high-pressure polyethylene, 50 parts of activated calcium carbonate, 15 parts of imitation hydrogen oil, 1 part of phenolic antioxidant, 1 part of heat stabilizer, 1 part of granular paraffin, 1 part of ultraviolet absorber (UV531); The antioxidant is made of 50% phenolic primary antioxidant 1010 and 50% phenolic secondary antioxidant 168 by weight, and the heat stabilizer is 50% by weight of dibasic lead phosphite and 50% Tribasic lead sulfate.

[0021] The method for preparing the modified chlorinated polyethylene waterproofing membrane comprises the following steps: (1) batching: mixing various raw materials in proportion, and fully stirring evenly at room temperature; (2) granulating: putting t...

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PUM

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Abstract

The invention relates to a waterproof rolled material, in particular to a modified chlorinated polyethylene waterproof rolled material and a preparation method thereof, which solve the problems that the traditional waterproof rolled material can not completely satisfy each performance index of a product and the formula cost is overhigh. The waterproof rolled material is prepared from an ethylene-octylene copolymer, chlorinated polyethylene, linear high-pressure polyethylene, a filler intensifier, a softener plasticizer, a phenol antioxidant, a heat stabilizer, a lubricant and a light stabilizer, and the preparation method thereof comprises the following steps: mixing and stirring various raw materials; granulating by sequentially adopting a plastic refining machine, a double-roll machine and a grain cutting machine; adding grain materials into a single-screw extruding machine for extrusion and molding through a mould; and adding the molded material into a three-roll cooling embossing machine for rolling to obtain the waterproof rolled material. Not only the peculiar softness, the elongation percentage and the rebound resilience of rubber are reserved, but also the higher breaking tensile strength of an LLDPE is reserved, the integral sheet material has good softness, flatness and evenness, the performance index exceeds a national standard and the related standard of a railway ministry, all the ageing-resistant performance, the physical performance and the processing performance are more excellent, and the production cost is low.

Description

technical field [0001] The invention relates to a waterproof coiled material, in particular to a modified chlorinated polyethylene waterproof coiled material with excellent aging resistance, physical properties and processing properties and a preparation method thereof. Background technique [0002] At present, the N-type (non-composite layer membrane) and L-type (double-sided composite non-woven fabric) waterproof membranes for bridges produced by various manufacturers basically use high-pressure polyethylene or linear high-pressure polyethylene to modify chlorinated polyethylene. Do waterproof membrane substrate. Although the formulas and processes of various manufacturers are different, there are great defects; (1) if high-pressure polyethylene or linear high-pressure polyethylene is used as the main body, although various mechanical properties can reach the relevant standards of the Ministry of Railways, but, The softness, flatness and resilience of the product are far ...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L23/20C08L23/28C08K13/02C08K3/26C08K3/30C08K3/32B29C47/92B29C59/04B29D7/01B29C48/92
CPCB29C48/9185B29C48/04B29C48/08B29C48/397B29C48/914B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895B29C2948/92923
Inventor 赵宝生
Owner SHANXI SIFANG HENGTAI WATERPROOF MATERIALS
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