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Environment-friendly mildewproof silicone-modified polyether sealant

A technology of silane-modified polyether and anti-mildew silane, which is applied in the field of sealants, can solve the problems of poor elasticity and easy-to-grow mold of home improvement sealants, and achieve the effects of stable elasticity, low odor, and stable and long-term mold resistance

Inactive Publication Date: 2015-04-01
TONSAN ADHESIVES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of this invention is to propose a silane-modified polyether sealant, which has excellent and stable elasticity and long-term mildew resistance, which solves the problems of poor elasticity and mold-prone home decoration sealant, and at the same time chooses a more environmentally friendly Raw materials, low odor, low toxicity, safety and environmental protection

Method used

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  • Environment-friendly mildewproof silicone-modified polyether sealant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] MS-polymer S203H 14 parts

[0043] MS-polymer S303H 15 parts

[0044] 16 parts of phenyl alkylsulfonate

[0045] Light calcium carbonate 45 parts

[0046] Titanium dioxide 6.5 parts

[0047] Benzotriazole UV absorber 0.22 parts

[0048] 0.25 parts of hindered amine light stabilizer

[0049] 0.5 parts of polyamide wax

[0050] 10,10'-Oxobisphenoxarsenic 0.03 parts

[0051] Vinyltrimethoxysilane 1 part

[0052] γ-Aminopropyltrimethoxysilane 1.2 parts

[0053] Dioctyl tin neodecanoate 0.3 parts

Embodiment 2

[0055] MS-polymer S203H 20 parts

[0056] MS-polymer S303H 10 parts

[0057] Polyether PPG-2000 17 parts

[0058] Light calcium carbonate 25 parts

[0059] 20 parts of heavy calcium carbonate

[0060] Carbon black 1.7 parts

[0061] Benzotriazole UV absorber 0.12 parts

[0062] 0.12 parts of hindered amine light stabilizer

[0063] 3 parts hydrogenated castor oil

[0064] n-Butyl-1, 2-benzisothiazolin-3-one 0.26 parts

[0065] Vinyltrimethoxysilane 0.8 parts

[0066] N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 1.4 parts

[0067] Dioctyltin-silane mixture 0.6 parts

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Abstract

The invention provides an environment-friendly mildewproof silicone-modified polyether sealant. The sealant is prepared from the following components in parts by weight: 20 to 50 parts of silicone-modified polyether resin, 10 to 25 parts of a plasticizer, 20 to 60 parts of filler, 1 to 10 parts of a colorant, 0.1 to 1 part of an ultraviolet light absorber, 0.1 to 1 part of a light stabilizer, 0.1 to 5 parts of a thixotropic agent, 0.01 to 1 part of a mildew preventive, 0.1 to 2 parts of a moisture scavenger, 0.1 to 2 parts of an adhesion promoter, and 0.1 to 1 part of a catalyst. The silicone-modified polyether sealant has stable elasticity and long-acting mildewproof performance; the environment-friendly plasticizer and catalyst are selected, so that the silicone-modified polyether sealant is odor free and relatively low in toxicity, and applicable to sealing and water proofing for household kitchens, toilets and other places in which mildew easily develops, and can replace traditional large-odor and poor-elasticity silicone sealant.

Description

technical field [0001] The invention relates to a sealant based on silane-modified polyether resin (MS-polymer), which has high elasticity, low odor and low toxicity, and is suitable for sealing and waterproofing in engineering machinery, rail transit and other industries, especially for home interior decoration. Such as kitchens, bathrooms and other humid environments, long-term stability and mildew resistance. Background technique [0002] In daily life, the sealants used in long-term humid environments such as kitchens and bathrooms are prone to breed mold, and mold can easily cause human respiratory system, skin and other body diseases, which is very harmful. At present, most of the kitchen and bathroom anti-mildew sealants commonly used in the market are deacidified or deketoxime-type silica gel, which is prepared by adding anti-fungal agents. The removed small molecules have a large odor, which is irritating to the respiratory tract and skin, and is environmentally fri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J171/00C09J11/04C09J11/06C09J11/08C09K3/10
Inventor 陆方姝师力李印柏林新松翟海潮王兵
Owner TONSAN ADHESIVES INC
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