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Method for preparing composite rubber strip for hollow glass

A technology of composite glue and glass, which is applied in the field of preparation of composite glue strips, can solve problems such as the decline in the quality of sealant strips, pollute the environment, and hollow glass, and achieve the effects of ensuring quality, solving environmental pollution, and simple processes

Active Publication Date: 2015-03-04
LIAONING SHUANGQIANG PLASTIC TECH DEV
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0003] The embodiment of the present invention provides a preparation method of composite rubber strips, which can solve the problems of pollution of the environment caused by the failure of effective utilization of waste rubber bottle stoppers and the decline in the quality of the current sealing strips for insulating glass

Method used

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  • Method for preparing composite rubber strip for hollow glass

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preparation example Construction

[0014] The embodiment of the present invention provides a kind of preparation method of composite rubber strip, comprising:

[0015] Use waste rubber bottle stoppers as raw materials;

[0016] The waste rubber bottle stopper is desulfurized and decomposed by heating and mechanical shearing in a single-screw extruder;

[0017] Adding auxiliary materials to the desulfurized rubber obtained by desulfurization and decomposition, kneading in a banbury mixer, co-extruding with a corrugated aluminum strip through an extruder to obtain a composite rubber strip.

[0018] In the above method, desulfurization and decomposition of waste rubber bottle stoppers by heating and mechanical shearing in a single-screw extruder include:

[0019] Put the waste rubber bottle stopper in a single-screw extruder with an aspect ratio of 15:1-30:1, control the temperature of the single-screw extruder to be 180-300°C, the pressure to be 2MPa-3MPa, and the speed to be 300 rpm Desulfurization decompositi...

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Abstract

The invention discloses a method for preparing composite rubber strip for hollow glass, which belongs to the field of preparation of composite rubber strips. The method includes: using a waste rubber bottle plug as a raw material; plugging the waste rubber bottle plug into a single screw extruder and desulfurizing and decomposing the waste rubber bottle plug by means of heating and mechanical shearing; and adding auxiliary materials into desulfurized rubber obtained by means of desulfurizing and decomposing, kneading the desulfurized rubber by the aid of an internal mixer and co-extruding the desulfurized rubber by the aid of the extruder to form the composite rubber strip. By the aid of the method, the waste rubber bottle plug used as the raw material is desulfurized and decomposed by the single screw extruder, and is co-extruded with a wavy aluminum strip after being kneaded by the internal mixer, so that the composite rubber strip is prepared. The method is simple in process, the waste rubber bottle plug used as the raw material is effectively used, and the problem of environmental pollution caused by the waste rubber bottle plug can be effectively solved. Besides, the prepared composite rubber strip can meet the requirement of preparation of a sealing rubber strip for the hollow glass, and the quality of the sealing rubber strip for the hollow glass is ensured.

Description

technical field [0001] The invention relates to the field of preparation of composite rubber strips, in particular to a preparation method of composite rubber strips for insulating glass. Background technique [0002] At present, waste rubber bottle stoppers have strong heat resistance, mechanical resistance and degradation resistance, and they will not degrade naturally for decades. If they are discarded in the natural environment, they will not only occupy land, waste resources, but also form a new kind of pollution. As solid waste, incineration and oil refining also seriously pollute the environment, but the waste rubber bottle stopper has not been effectively utilized at present. At present, due to the increasingly fierce competition in the insulating glass sealant industry, many manufacturers add a large amount of cheap fillers such as calcium carbonate when manufacturing insulating glass sealant strips, resulting in a serious decline in product quality. Contents of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29B9/06B29B7/28B29C47/02B29C47/92C08J11/10B29C48/625B29C48/92
CPCB29C47/92B29C48/397B29C48/625
Inventor 王海峰王勇
Owner LIAONING SHUANGQIANG PLASTIC TECH DEV