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Double-component silane modified polyether sealant with controllable curing speed

A technology of silane-modified polyether and curing speed, which is applied in the direction of polyether adhesives, adhesives, epoxy resin glue, etc., can solve the problems of low bonding strength and difficulty in achieving fast bonding and curing, and achieve good curing effect Effect

Inactive Publication Date: 2019-04-16
HUBEI HUITIAN NEW MATERIALS STOCK CO LTD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional one-component product is moisture-cured, the curing speed generally reaches 3mm thickness in 24 hours, and the bonding strength is very low, about 0.1MPa, so it has certain limitations; The control is relatively strict, and glue mixing equipment is required, otherwise it is difficult to achieve rapid bonding and curing

Method used

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  • Double-component silane modified polyether sealant with controllable curing speed
  • Double-component silane modified polyether sealant with controllable curing speed
  • Double-component silane modified polyether sealant with controllable curing speed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A two-component silane-modified polyether sealant with controllable curing speed, which includes component A and component B, the mass ratio of component A and component B is 1:1,

[0041] In parts by mass, component A includes:

[0042]

[0043] In parts by mass, component B includes:

[0044]

Embodiment 2

[0046] A two-component silane-modified polyether sealant with controllable curing speed, which includes component A and component B, the mass ratio of component A and component B is 10:1,

[0047] In parts by mass, component A includes:

[0048]

[0049]

[0050] In parts by mass, component B includes:

[0051]

Embodiment 3

[0053] A two-component silane-modified polyether sealant with controllable curing speed, which includes component A and component B, the mass ratio of component A and component B is 100:1,

[0054] In parts by mass, component A includes:

[0055]

[0056]

[0057] In parts by mass, component B includes:

[0058]

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Abstract

The invention discloses a double-component silane modified polyether sealant with a controllable curing speed, which comprises a component A and a component B, wherein the mass ratio of the componentA to the component B is 1-100:1, and the component A comprises 25-50 parts of silane modified polyether resin, 5-15 parts of a plasticizer, 5-20 parts of nano calcium carbonate, 30-50 parts of siliconmicropowder, 0.5-3 parts of a ultraviolet absorbent, 0.5-1 part of carbon black, 1-3 parts of vinyl trimethoxy silane, 5-10 parts of an amino coupling agent and 0.1-0.5 part of chelated tin; the component B comprises, by mass, 20-30 parts of epoxy resin, 20-30 parts of a plasticizer, 10-20 parts of silicon micropowder and 5-20 parts of an accelerator. According to the invention, rapid deep curingof the component A can be achieved through the promotion effect of the component B, and the strength is increased, so that the shear strength can reach 1.5MPa within 4h, and the shear strength can reach 2.3MPa within 24h.

Description

technical field [0001] The invention relates to the field of silane-modified polyether adhesive sealant, in particular to a two-component silane-modified polyether sealant with controllable curing speed and a preparation method. Background technique [0002] Silane-modified polymers combine many advantages of the two existing sealant systems polyurethane and silicone, such as high elasticity, excellent weather resistance, and high bonding strength, and can be used in automobile manufacturing, rail vehicles, construction machinery, and home decoration, curtain walls , Building exterior wall panel sealing and other fields. [0003] In many industrial manufacturing fields, bonding and sealing materials not only need to have good flexibility and strong bonding strength, but also need to cooperate with the production rhythm, and have high requirements for the speed of the bonding strength. The traditional one-component product is moisture-cured, the curing speed generally reache...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J171/00C09J163/00C09J11/04C09J11/06C09J11/08
CPCC08K2003/265C08K2201/011C09J11/04C09J11/06C09J11/08C09J171/00C08L63/00C08L71/00C08K3/26C08K3/36C08K3/04C08K5/12
Inventor 赵瑞王翠花赵勇刚刘鹏章锋
Owner HUBEI HUITIAN NEW MATERIALS STOCK CO LTD
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