Outer lane sealant for hollow glass

A sealant and glass technology, applied in the field of sealant, can solve problems such as failure of insulating glass sealing system, loss of thermal insulation properties, waste of energy and resources, etc., and achieve low water vapor transmission rate, good anti-aging properties and anti-ultraviolet rays Features, energy saving effect

Inactive Publication Date: 2017-08-25
肇庆高新区飞越信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Sealant products with poor performance will cause the insulating glass sealing system to fail prematurely, and even become unusable due to air leakage and water ingress
Such insulating glass not only loses the basic performance, but also loses the thermal insulation properties, and at the same time increases the replacement cost, resulting in a waste of energy and resources

Method used

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  • Outer lane sealant for hollow glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An outer sealant for insulating glass, comprising the following components in parts by mass: 30 parts of modified butyl rubber, 20 parts of silicone rubber, 35 parts of polyisobutylene, 10 parts of polyvinyl alcohol, 15 parts of borax, and adhesive 2 parts, 1 part of plasticizer, 2 parts of colorant;

[0028] The modified butyl rubber includes butyl rubber, polysulfide rubber in 15 parts by mass, EPDM rubber in 15 parts by mass and tetrahydrofuran in 800 parts by mass;

[0029] The adhesive is a mixture of polyvinylpyrrolidone and vinyl chloride copolymer resin;

[0030] The plasticizer is dioctyl phthalate.

[0031] The preparation method of described modified butyl rubber is:

[0032] 1) Dissolving butyl rubber and polysulfide rubber in a tetrahydrofuran solvent 10-20 times the total mass, raising the temperature to 80-120°C, stirring magnetically for 1-2 hours, standing and cooling to room temperature to obtain spare material a;

[0033] 2) Dissolve EPDM rubber in...

Embodiment 2

[0040] An outer sealant for insulating glass, comprising the following components in parts by mass: 50 parts of modified butyl rubber, 25 parts of silicone rubber, 45 parts of polyisobutylene, 20 parts of polyvinyl alcohol, 25 parts of borax, and adhesive 12 parts, 4 parts of plasticizer, 3 parts of colorant;

[0041] The modified butyl rubber includes 40 parts by mass of butyl rubber, 20 parts by mass of polysulfide rubber, 20 parts by mass of EPDM rubber and 1000 parts by mass of tetrahydrofuran;

[0042] The adhesive is a mixture of chlorinated rubber and epoxy resin;

[0043] Described plasticizer is the mixture of dipentaerythritol ester and chlorinated paraffin;

[0044] The molecular weight of the polyisobutylene is greater than 50,000.

[0045] The preparation method of described modified butyl rubber is:

[0046] 1) Dissolving butyl rubber and polysulfide rubber in a tetrahydrofuran solvent 10-20 times the total mass, raising the temperature to 80-120°C, stirring m...

Embodiment 3

[0054] An outer sealant for insulating glass, comprising the following components in parts by mass: 40 parts of modified butyl rubber, 22 parts of silicone rubber, 40 parts of polyisobutylene, 15 parts of polyvinyl alcohol, 20 parts of borax, and adhesive 8 parts, 2 parts of plasticizer, 2.5 parts of colorant;

[0055] The modified butyl rubber includes 35 parts by mass of butyl rubber, 18 parts by mass of polysulfide rubber, 18 parts by mass of EPDM rubber and 900 parts by mass of tetrahydrofuran;

[0056] The adhesive is a mixture of vinyl acetate copolymer resin, chlorinated rubber and epoxy resin;

[0057] The plasticizer is a mixture of diisodecyl adipate, dipentaerythritol ester and chlorinated paraffin.

[0058] The preparation method of described modified butyl rubber is:

[0059] 1) Dissolving butyl rubber and polysulfide rubber in a tetrahydrofuran solvent 10-20 times the total mass, raising the temperature to 80-120°C, stirring magnetically for 1-2 hours, standing...

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PUM

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Abstract

The invention provides an outer sealant for insulating glass, which comprises the following components in parts by mass: 30-50 parts of modified butyl rubber, 20-25 parts of silicone glue, 35-45 parts of polyisobutylene, and 10 parts of polyvinyl alcohol ‑20 parts, 15‑25 parts of borax, 2‑12 parts of adhesive, 1‑4 parts of plasticizer, 2‑3 parts of colorant. The outer channel sealant for insulating glass of the present invention has extremely low water vapor transmission rate, which can prevent the dew point phenomenon of insulating glass, and the present invention has higher anti-ultraviolet ability, better adhesion and elastic recovery rate, and can improve overall The performance of insulating glass has great practical value.

Description

technical field [0001] The invention relates to the technical field of sealants, in particular to an outer channel sealant for insulating glass. Background technique [0002] Insulating glass is a new type of building material with good heat insulation, sound insulation, aesthetics and applicability, and can reduce the self-weight of buildings. It uses two (or three) pieces of glass and uses high-strength and high-air-tightness composite adhesives. High-efficiency sound-insulating and heat-insulating glass made by bonding glass sheets to an aluminum alloy frame containing a desiccant. The performance of insulating glass is superior to that of ordinary double-layer glass, so it has been recognized by all countries in the world. Insulating glass is to separate two or more pieces of glass evenly with effective support and bond and seal the periphery, so that a dry gas is formed between the glass layers. Space glassware. [0003] In the production and manufacturing process of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J123/20C09J123/22C09J123/16C09J181/04C09J183/04C09J11/08C09J11/04
CPCC09J123/22C08K2003/387C08L2201/08C08L2205/025C08L2205/035C09J11/04C09J11/08C08L23/22C08L81/04C08L23/16C08L83/04C08L29/04C08K3/38
Inventor 曾诗敏
Owner 肇庆高新区飞越信息科技有限公司
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