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Impermeable caulking material

A caulking material and anti-penetration technology, applied in other chemical processes, chemical instruments and methods, etc., can solve the problems of construction trouble, unsightly, human and environmental damage, etc., and achieve a wide range of use, high bonding strength, waterproof good performance

Inactive Publication Date: 2014-05-07
NANJING HENGAN RESIN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the caulking agents currently available on the market use toxic and harmful raw materials, which are very harmful to the human body and the environment, and can only maintain the wall or ground for 8-9 months without cracking or damage after use, and it is very difficult to construct. Trouble, once the ratio is wrong, it will seriously affect the quality of the wall or the ground; moreover, most of the existing caulking materials have poor waterproof performance, and it is easy to produce mold in the gaps between the bricks after being damp, which is not only unsightly, but also harmful to the environment. Pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An anti-permeation caulking material, comprising the following components in parts by weight: 10 parts of silica fume, 7 parts of pentaerythritol, 35 parts of bisphenol A epoxy resin, 2 parts of lignin, 9 parts of thermoplastic styrene-butadiene rubber, benzyl three 0.7 parts of organic clay modified by methyl ammonium, 0.6 parts of dodecyl benzyl dimethyl ammonium, and 45 parts of ethylene glycol. Wherein the thermoplastic styrene-butadiene rubber is SBS with a block ratio of styrene and butadiene of 40 / 60 and an oil extension rate of 33%.

Embodiment 2

[0017] An anti-permeation caulking material, comprising the following components in parts by weight: 8 parts of silica fume, 5 parts of pentaerythritol, 30 parts of bisphenol A epoxy resin, 1 part of lignin, 7 parts of thermoplastic styrene-butadiene rubber, benzyl three 0.6 parts of organic clay modified by methyl ammonium, 0.5 parts of dodecyl benzyl dimethyl ammonium, and 40 parts of ethylene glycol. Wherein the thermoplastic styrene-butadiene rubber is SBS with a block ratio of styrene and butadiene of 40 / 60 and an oil extension rate of 33%.

Embodiment 3

[0019] An impervious caulking material, comprising the following components in parts by weight: 12 parts of silica fume, 8 parts of pentaerythritol, 39 parts of bisphenol A epoxy resin, 2 parts of lignin, 15 parts of thermoplastic styrene-butadiene rubber, benzyl tri 1.0 part of organic clay modified by methyl ammonium, 0.8 part of dodecyl benzyl dimethyl ammonium, and 50 parts of ethylene glycol. Wherein the thermoplastic styrene-butadiene rubber is SBS with a block ratio of styrene and butadiene of 40 / 60 and an oil extension rate of 33%.

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PUM

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Abstract

The invention discloses an impermeable caulking material, which comprises the following components by weight: 8-12 parts of silica fume, 5-8 parts of pentaerythritol, 30-39 parts of bisphenol A epoxy resin, 1-2 parts of lignin, 7-15 parts of thermoplastic butadiene styrene rubber, 0.6-1.0 part of benzyl trimethyl ammonium modified organic clay, 0.5-0.8 part of dodecyl benzyl dimethyl ammonium, and 40-50 parts of ethylene glycol. The impermeable caulking material provided by the invention has the advantages of: safety and environmental protection, cheap and easily available various components, wide application range, good waterproofness and high adhesion strength, and can be applicable to caulking of exterior wall tiles, floor tiles, interior wall tiles, various stones and square bricks.

Description

[0001] technical field [0002] The invention relates to an impervious caulking material. Background technique [0003] Sealant is a chemical widely used in the construction industry. Usually, it has strong adhesion, small shrinkage, strong color fixation, flexibility to prevent cracks, good decorative texture, pressure resistance, wear resistance, and mold resistance. specialty. [0004] However, the caulking agents currently available on the market use toxic and harmful raw materials, which are very harmful to the human body and the environment, and can only maintain the wall or ground for 8-9 months without cracking or damage after use, and it is very difficult to construct. Trouble, once the ratio is wrong, it will seriously affect the quality of the wall or the ground; moreover, most of the existing caulking materials have poor waterproof performance, and it is easy to produce mold in the gaps between the bricks after being damp, which is not only unsightly, but also h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/02C08L9/06C08L97/00C08K13/06C08K9/04C08K3/34C08K5/19C08K5/053C08K5/098C09K3/10
Inventor 马步强
Owner NANJING HENGAN RESIN CHEM