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Soft rubber latex for automobile sponge

A sponge and soft rubber technology, applied in the direction of adhesives, etc., can solve problems such as low temperature, and achieve the effects of improving softness, stability, and anti-yellowing performance

Active Publication Date: 2015-04-29
浙江科冠聚合物有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a kind of water-based soft latex for automobile sponge, which does not have the problems of environmental pollution and harm to human body, and after the latex is coated on the sponge, it can improve the tensile strength of the sponge and provide Low temperature heat sealability, folding resistance properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] In Example 1, the mixed monomer consists of the following components by weight percentage:

[0037] (1) Vinylidene chloride monomer, the dosage is 80% of the total weight of mixed monomers;

[0038] (2) For unsaturated fatty acid monomers, the dosage is 5% of the total weight of mixed monomers;

[0039] (3) Acrylic monomers, the dosage is 15% of the total weight of mixed monomers;

[0040] The percentages of the emulsifier, initiator and auxiliary agent in the total weight of the mixed monomer are as follows: emulsifier 2.5%; initiator 0.08%; auxiliary agent 0.005%.

Embodiment 2

[0041] In Example 2, the mixed monomer consists of the following components by weight percentage:

[0042] (1) Vinylidene chloride monomer, the dosage is 85% of the total weight of mixed monomers;

[0043] (2) For unsaturated fatty acid monomers, the dosage is 5% of the total weight of mixed monomers;

[0044] (3) Acrylic monomers, the dosage is 10% of the total weight of mixed monomers;

[0045] The percentages of the emulsifier, initiator and auxiliary agent in the total weight of the mixed monomer are as follows: emulsifier 2%; initiator 0.05%; auxiliary agent 0.006%.

Embodiment 3

[0046] In Example 3, the mixed monomers consist of the following components by weight percentage:

[0047] (1) Vinylidene chloride monomer, the dosage is 75% of the total weight of mixed monomers;

[0048] (2) Unsaturated fatty acid monomers, the dosage is 10% of the total weight of mixed monomers;

[0049] (3) Acrylic monomers, the dosage is 15% of the total weight of mixed monomers;

[0050] The percentages of the emulsifier, initiator and auxiliary agent in the total weight of the mixed monomer are as follows: emulsifier 3%; initiator 0.2%; auxiliary agent 0.009%.

[0051] The preparation method of soft latex for above-mentioned automobile sponge is as follows:

[0052] Feed deionized water, 20% by weight of emulsifier, initiator, and additives into the reaction kettle, vacuumize, fill with nitrogen, inhale the core layer monomer accounting for 10% of the total weight of the mixed monomer as a seed, and stir for half an hour , then the temperature is raised to 55°C, and ...

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PUM

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Abstract

The invention discloses a soft rubber latex for automobile sponge. The soft rubber latex is formed by the copolymerization of a mixed monomer, an emulsifier, an initiator, and an assistant in the emulsion polymerization mode, wherein the mixed monomer is composed of a nuclear layer monomer and a shell layer monomer, the nuclear layer monomer is composed of vinylidene chloride monomer and unsaturated fatty acid monomer, and the shell layer is acrylics monomer. Through the nuclear shell emulsion polymerization process, a soft monomer n-butyl acrylate is used as the shell layer so as to improve the low-temperature heat sealability and flexibility of the polymer, the EDTA (Ethylene Diamine Tetraacetic Acid) is added as the chelating agent so as to reduce the influence of the micro-heavy metal ions on the polymerization as well as prevent the HCl in the rubber latex from devolatilizing, the stability of the rubber latex is improved, the anti-yellowing performance of the rubber latex is improved, after the rubber latex is coated on the sponge, the tensile strength of the sponge is improved, and the low-temperature sealability and anti-folding performance are provided for the sponge.

Description

technical field [0001] The present invention relates to soft latex for automobile sponge. Background technique [0002] For cars and buses, interior decoration is required. The car roof, walls and door panels made of rigid materials such as metal and laminate need to be attached with PVC microcellular foam artificial leather, synthetic fiber non-woven fabric, printed or jacquard decorative cloth , sponge, velvet car blanket and other porous soft materials to make the car interior environment beautiful, harmonious and comfortable, sound absorption and noise reduction. Adhesives are required for these interior decorations, and most of these adhesives are solvent-based, which have problems of environmental pollution and harm to human body. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a kind of water-based soft latex for automobile sponge, which does not have the problems of environmental pollution and harm to hu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F214/08C08F220/06C08F220/18C08F2/26C09J127/08
Inventor 胡建强高卫季国华傅冬浩胡挺
Owner 浙江科冠聚合物有限公司