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A kind of transparent butyl hot-melt sealant and preparation method thereof

A technology of sealant and butyl rubber, which is applied in the field of sealant, can solve the problems that it is difficult to achieve the overall effect and visual beauty of the curtain wall, and achieve the effect of ensuring the transparency of the appearance, improving the strength and construction performance

Active Publication Date: 2012-02-22
ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the glass curtain walls are hollow glass, especially the point-supported curtain walls are mostly made of transparent white glass and silver-gray aluminum alloy profiles. For owners with high requirements, if traditional black or dark sealants are used It is difficult to achieve the overall effect and visual beauty of the curtain wall

Method used

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  • A kind of transparent butyl hot-melt sealant and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Transparent butyl hot-melt sealant of the present invention, its raw material component and its parts by weight ratio are as follows:

[0030] Butyl rubber (268) 8.6

[0031] Polyisobutylene (5T) 40.4

[0032] Plasticizer (PB450) 16.2

[0033] Tackifier (hydrogenated petroleum resin E-5380) 5.2

[0034] Softener (naphthenic oil YT-12) 3.8

[0035] Stabilizer UV absorber (benzophenone UV-531) 0.35

[0036] Antioxidant (tert-butylphenol Irganox 1010) 0.95

[0037] Filler (fumed silica LM-150) 24

[0038] Adhesion promoter (N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane) 0.5.

[0039] During preparation, add butyl rubber, polyisobutylene, plasticizer, tackifier, softener, ultraviolet absorber, and antioxidant to the kneader at a high temperature of 150°C to 180°C, and then blend under vacuum protection After 30-60 minutes, add the filler, mix under vacuum protection for 60 minutes, then add the adhesion promoter and mix under vacuum for 30 minutes to obtain a ...

Embodiment 2

[0041] Transparent butyl hot-melt sealant of the present invention, its raw material component and its parts by weight ratio are as follows:

[0042] Butyl rubber (065) 1

[0043] Polyisobutylene (B15) 10

[0044] Plasticizers (phthalates DOP) 5

[0045] Tackifier (petroleum resin E-2105) 3

[0046] Softener (naphthenic oil YT-12) 3

[0047] Stabilizer UV absorber (salicylate BAD) 0.05

[0048] Antioxidant (tert-butylphenol Irganox 1010) 0.05

[0049] Filler (fumed silica LM-150) 5

[0050] Adhesion promoter (N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane) 0.1.

[0051] During preparation, butyl rubber, polyisobutylene, plasticizer, tackifier, softener, ultraviolet absorber, and antioxidant are sequentially added to the kneader at a high temperature of 150°C, and blended for 60 minutes under vacuum protection. Then add the filler, mix under vacuum protection for 60 minutes, and then add the adhesion promoter and mix under vacuum for 30 minutes to obtain a uniforml...

Embodiment 3

[0053] Transparent butyl hot-melt sealant of the present invention, its raw material component and its parts by weight ratio are as follows:

[0054] Butyl rubber (268) 3

[0055] Polyisobutylene (5T) 20

[0056] Plasticizers (phthalates DOP) 8

[0057] Tackifier (petroleum resin E-2105) 4

[0058] Softener (naphthenic oil YT-12) 4

[0059] Stabilizer UV absorber (salicylate BAD) 0.3

[0060] Antioxidant (tert-butylphenol Irganox 1010) 0.7

[0061] Filler (fumed silica LM-150) 10

[0062]Adhesion promoter (N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane)1.

[0063] During preparation, butyl rubber, polyisobutylene, plasticizer, tackifier, softener, ultraviolet absorber, and antioxidant are sequentially added to the kneader at a high temperature of 180°C, and blended for 30 minutes under vacuum protection. Then add the filler, mix under vacuum protection for 60 minutes, and then add the adhesion promoter and mix under vacuum for 30 minutes to obtain a uniformly disp...

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Abstract

A transparent butyl hot-melt sealant, the raw material components and parts by weight are as follows: butyl rubber 1-20, polyisobutylene 10-80, plasticizer 5-30, tackifier 3-10, softener 3-10, stabilizer 0.1-5, filler 5-30, adhesion promoter 0.1-5. The invention adopts butyl rubber and polyisobutylene with different molecular weights to be used together, which is beneficial to improving the strength and construction performance of the transparent butyl hot-melt sealant. The filler is fumed silica or precipitated silica, which ensures the appearance and transparency of the product. Add stabilizers and strictly control the production process to improve the appearance, transparency and physical and chemical properties of the product. The use of alkoxysilane substituted by active groups as a coupling agent improves the bonding performance of the product to glass, aluminum and other substrates.

Description

technical field [0001] The invention belongs to the technical field of sealants, and in particular relates to a transparent butyl hot-melt sealant and a preparation method thereof. Background technique [0002] Glass curtain wall is a novel building wall decoration method, and it is a remarkable feature of the era of modern high-rise buildings. With the continuous development of science and technology and people's pursuit of beauty, glass curtain walls have been more and more widely used in various fields of architecture. Many architects use glass curtain walls, in order to expand the field of vision, introduce scenery into the room, make the space more extensible, interactive and smooth, make the building have a sense of transparency and integrity, and require the least occlusion, while frameless curtain walls (including All-glass curtain wall and point-supported curtain wall) can meet this requirement. At present, most of the glass curtain walls are hollow glass, especia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J123/20C09J123/22C09J11/04C09K3/10
Inventor 张德恒孔军仕袁培峰王建木
Owner ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD
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