Composite mildew-proof silane modified polyether sealant and preparation method and application thereof

A technology of silane-modified polyether and anti-mildew silane, which is applied in the direction of polyether adhesives, adhesives, adhesive types, etc., and can solve the problem of decreased storage stability of rubber materials, poor compatibility of anti-mold agents, and anti-mold time. Short and other problems, to achieve the effect of improving mechanical properties, excellent mechanical properties, shortening the construction period

Pending Publication Date: 2021-03-12
GUANGZHOU JOINTAS CHEM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, some silicone rubber products with anti-mold function on the domestic market have some defects, such as yellowing after curing, poor comp

Method used

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  • Composite mildew-proof silane modified polyether sealant and preparation method and application thereof
  • Composite mildew-proof silane modified polyether sealant and preparation method and application thereof
  • Composite mildew-proof silane modified polyether sealant and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A kind of compound anti-mold silane modified polyether sealant (hereinafter referred to as anti-mold glue), comprising the raw materials of the following table:

[0039] Raw material composition and mass parts in the embodiment 1 of table 1

[0040]

[0041] The preparation method of anti-mildew glue is as follows:

[0042] (1) Mix the plasticizer, filler and stabilizer according to the formula, heat up to 120°C while stirring, decompress and vacuumize, heat and stir for 3 hours to remove moisture;

[0043] (2) Cool down to 40°C, fill with nitrogen and / or dry air to release the vacuum to normal pressure, and then prepare the dehydrated glue;

[0044] (3) Add silane-modified polyether polymer, thixotropic agent, inorganic anti-mold agent and organic anti-mold agent to the dehydrated mortar, stir for 10 minutes, decompress and vacuumize to remove air and moisture, and stir for 30 minutes to make the raw materials well mixed;

[0045] (4) Vacuum under reduced pressur...

Embodiment 2

[0048] A kind of mold-proof glue, comprises the raw material of following table:

[0049] Raw material composition and mass parts in the embodiment 2 of table 2

[0050]

[0051] The preparation method of mold-proof glue is the same as embodiment 1.

Embodiment 3

[0053] A kind of mold-proof glue, comprises the raw material of following table:

[0054] Raw material composition and mass parts in the embodiment 3 of table 3

[0055]

[0056]

[0057] The preparation method of mold-proof glue is the same as embodiment 1.

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PUM

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Abstract

The invention discloses a composite mildew-proof silane modified polyether sealant and a preparation method and application thereof. The composite mildew-proof silane modified polyether sealant is prepared from the following preparation raw materials: a silane modified polyether polymer, a filler, an auxiliary agent, an inorganic mildew preventive and an organic mildew preventive, wherein the inorganic mildew preventive comprises at least one of nano-zinc oxide and nano-titanium dioxide, and the organic mildew preventive comprises at least one of nitrogenous heterocyclic phenolic alcohol, isothiazolinones, benzisothiazolinone, copper zinc pyrithione and butyl iodopropynylcarbamate. The sealant provided by the invention can achieve the purpose of long-acting mildew prevention, and does notgenerate the problems of discoloration, poor compatibility, influence on shelf life and mechanical properties and the like.

Description

technical field [0001] The invention belongs to the technical field of sealants / adhesives, and in particular relates to a compound anti-mildew silane-modified polyether sealant and its preparation method and application. Background technique [0002] With the improvement of the economic level, people's quality of life is getting better and better, and people pay more and more attention to the beauty of home decoration. Although the area of ​​the family kitchen and bathroom is small, the cabinets and the surroundings of the sink are sealed with sealant to achieve the purpose of stability and beauty. Therefore, the amount of waterproof and mildew-proof sealant used is more. With its excellent weather resistance and good elasticity, silicone sealant is widely used in kitchen and bathroom sanitary ware, as well as waterproof sealing of seams between countertops, walls and furniture. However, ordinary silicone sealants contain more small molecular substances such as silicone oil...

Claims

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Application Information

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IPC IPC(8): C09J171/00C09J11/04C09J11/06
CPCC09J171/00C09J11/04C09J11/06C08K2201/011C08K2003/2296C08K2003/2241C08L2205/025C08L71/00C08K3/22C08K5/0058C08K13/02C08K5/46C08K5/205C08K5/378
Inventor 陈权潘守伟王小伟程梦平
Owner GUANGZHOU JOINTAS CHEM
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