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Piercing resistant flashing and manufacture method thereof

A waterproof sheet and puncture-resistant technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of incomplete leakage, inability to prevent building leakage, improper construction and protection, etc., and achieve excellent anti-corrosion Excellent puncture property, low wire expansion, and strong adaptability to deformation

Inactive Publication Date: 2007-02-28
天津市耀新科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Various scientific research units have also developed many new waterproof materials, but the problem of leakage cannot be completely eliminated.
Most of the existing waterproof materials are made of modified asphalt and thermoplastic elastomer SBS to make waterproof membranes. Due to the physical properties of waterproof materials, structural deformation, improper construction and protection, etc., the leakage of buildings cannot be prevented.

Method used

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  • Piercing resistant flashing and manufacture method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Recipe and preparation method:

[0028] Linear Low Density Polyethylene 85kg

[0029] Thermoplastic Elastomer SBS 10kg

[0030] Antioxidant 1010 1kg

[0031] Color Masterbatch 3kg

[0032] Light calcium carbonate 3kg

[0033] Measure all the raw materials according to the formula requirements and put them into the high-speed mixer to mix evenly, put them into the hopper of the extruder, and carry out extrusion and calendering according to the process described in the attached drawing of the manual to make LECB waterproof sheet. The processing temperature of each section of extruder barrel and hanger die lip is as follows:

[0034] Cylinder: Zone 1, Zone 2, Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Flange

[0035] 140°C 150°C 155°C 160°C 165°C 175°C 185°C 175°C

[0036] Hanger die lip: District 1, District 2, District 3, District 4, District 5, District 6, District 7, District 8, District 9

[0037] 195°C 190°C 185°C 180°C 180°C 185°C 185°C 190°C 195...

Embodiment 2

[0040] HDPE 85kg

[0041] Thermoplastic Elastomer SBS 6kg

[0042] UV absorber UV531 4kg

[0043] Color Masterbatch 3kg

[0044] Light calcium carbonate 2kg

[0045] The preparation method is the same as in Example 1.

Embodiment 3

[0047] Linear Low Density Polyethylene 85kg

[0048] Thermoplastic Elastomer SBS 10kg

[0049] Antioxidant 1010 2kg

[0050] Color Masterbatch 3kg

[0051] Light calcium carbonate 8kg

[0052] The preparation method is exactly the same as in Example 1.

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Abstract

The invention discloses the puncture resistance water-proof sheet and preparing method, comprising 75-85 parts low density polyethylene, 5-10 parts thermoplastic elastomer SBS, 2-8 parts color masterbatch, 2-5 parts auxiliary agent and 5-10 parts filling agent. The invention uses extrusion forming method. The sheet has advantages of good water-proof property, antiseep, weatherability, high hot strength, low linear expansion, big frictional factor, large temperature range, long life and low cost. The invention can be used in underground, road, harbour, and culverts.

Description

technical field [0001] The invention belongs to the field of waterproof material preparation, and relates to an enhanced puncture-resistant waterproof sheet (LECB for short) and a preparation method thereof. Background technique [0002] The main raw materials used to make waterproof sheets are modified rubber and single synthetic resins, such as polyvinyl chloride, polyethylene and other polyolefin resins. The waterproof rolls made of the above materials have small elasticity, low elongation, and Low tensile strength, poor durability and low temperature resistance lead to extremely poor waterproof and leakage properties of the coil. Building leakage is a common problem that plagues the construction industry. In recent years, relevant departments such as the Ministry of Construction and the construction committees of various provinces and cities have issued various regulations and regulations. Various scientific research units have also developed many new waterproof materia...

Claims

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Application Information

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IPC IPC(8): C09K3/18C08L23/06B29C43/24C08L53/02
Inventor 刘耀俭刘伟朝许晓秋曲俊达
Owner 天津市耀新科技发展有限公司
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