Coating solution used on tire bead steel wire surface and preparation method of coating solution

A bead wire and surface coating technology, which is applied in coatings, anti-corrosion coatings, etc., can solve problems such as easy to rust and reduce the quality of bead wire, and achieve the effect of improving adhesion and isolating air and moisture

Active Publication Date: 2015-12-09
JIANGSU XINGDA STEEL TYPE CORD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bead wire is prone to rust when exposed to air,...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] This embodiment provides a coating liquid for bead wire, which consists of the following components in parts by weight: 13 parts of Tianjia rubber, 3 parts of liquid polysulfide rubber, 5 parts of coumarone resin, terpene resin 6 parts, 1 part of auxiliary crosslinking agent PDM, 550 parts of toluene, 400 parts of acetone.

[0020] The present invention also provides a preparation method for the above-mentioned bead wire surface coating liquid, comprising the steps of:

[0021] (2) Toluene and acetone are mixed into a mixed organic solvent in proportion;

[0022] (2) Tianjia rubber is crushed into rubber particles with a diameter of 3-5mm, added to a mixed organic solvent, soaked for 24 hours to fully dissolve the Tianjia rubber, and use a filter to filter out insoluble components;

[0023] (3) Add liquid polysulfide rubber, coumarone resin, terpene resin, and cross-linking aid PDM into the mixed organic solvent dissolved with Tianjia rubber, stir at room temperature t...

Embodiment 2

[0028] This embodiment provides a coating liquid for bead wire, which consists of the following components in parts by weight: 15 parts of Tianjia rubber, 3 parts of liquid polysulfide rubber, 4 parts of coumarone resin, and 8 parts of terpene resin 1 part, 1 part of auxiliary crosslinking agent PDM, 580 parts of toluene, 420 parts of acetone.

[0029] The present invention also provides a preparation method for the above-mentioned bead wire surface coating liquid, comprising the steps of:

[0030] (3) Toluene and acetone are mixed into a mixed organic solvent in proportion;

[0031] (2) Tianjia rubber is crushed into rubber particles with a diameter of 3-5 mm, added to a mixed organic solvent, soaked for 24 hours to dissolve the Tianjia rubber components, and use a filter to filter out insoluble components;

[0032] (3) Add liquid polysulfide rubber, coumarone resin, terpene resin, cross-linking aid PDM to the organic solvent of Tianjia rubber, stir at normal temperature to ...

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Abstract

The invention provides a coating solution used on a tire bead steel wire surface and a preparation method of the coating solution. The coating solution is prepared from, by weight, 9-16 parts of methyl methacrylate grafted natural rubber, 2-5 parts of liquid polysulfide rubber, 3-7 parts of coumarone resin, 2-8 parts of terpene resin, 1-3 parts of auxiliary crosslinking agents PDM, 530-600 parts of methylbenzene and 360-440 parts of acetone. By means of a coating formed by applying the coating solution to a tire bead steel wire, the performance of the tire bead steel wire for bonding with tire bead glue can be effectively improved, and a certain antirust effect is achieved.

Description

technical field [0001] The invention relates to the technical field of tire production, in particular to a bead wire surface coating liquid and a preparation method thereof. Background technique [0002] Bead wire is a steel wire plated with bronze, brass, etc., used to strengthen the tire bead. The bead wire is subjected to extremely complex alternating loads and impact loads in the tire, which requires excellent bonding performance between the bead wire and the rubber. Otherwise, the steel wires in the tire body will become loose, punctured, or even blown out during the use of the tire. The bead wire is prone to rust when exposed to air, which will seriously reduce the quality of the bead wire. Therefore, improving the bonding performance of the bead wire and enhancing the anti-rust ability of the bead wire have important practical significance for the bead wire. Contents of the invention [0003] The purpose of the present invention is to provide a bead steel wire su...

Claims

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Application Information

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IPC IPC(8): C09D151/04C09D181/04C09D145/02C09D145/00C09D7/12C09D5/08
Inventor 张振秀孙彬罗鹏张昕姚利丽苗为钢
Owner JIANGSU XINGDA STEEL TYPE CORD
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