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Process of producing inner tube material with waste butyl rubber inner tube

A technology for waste butyl rubber and inner tubes, applied in recycling technology, plastic recycling, etc., can solve the problems of cumbersome and complicated recycling process, and achieve good regeneration effect, high quality of new raw materials, and high yield

Inactive Publication Date: 2007-11-07
LIAONING WANLAI TIRE
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0018] In order to overcome the disadvantages of complicated and cumbersome recycling process of existing waste butyl rubber, the present invention proposes a method of using waste butyl rubber inner tubes to prepare new inner tube raw materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] 1. Material selection, use waste butyl rubber inner tubes to remove valves, natural rubber patches and other non-recyclable substances, and use them as rubber materials before cleaning.

[0022] 2. Cleaning. Wash the rubber material obtained by material selection with clear water to remove the mechanical mixture, and use it as a pre-drying rubber material before drying.

[0023] 3. Drying, drying the cleaned rubber material to remove the moisture in the rubber material, and use it as the pre-crushed rubber material before crushing.

[0024] 4. Crushing, the pre-crushed rubber material after drying is crushed by a crusher to form 30-50 mesh rubber material particles.

[0025] 5. Ingredients, mix softener, peptizer and activator with rubber particles to form pre-desulfurized rubber material.

[0026] Coal tar is used as softener, AD is used as peptizer, and zinc oxide is used as activator.

[0027] The mixing ratio is as follows: 15-30 parts of softener, 0.5-1 part of p...

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Abstract

The process of producing inner tube material with waste butyl rubber inner tube includes the steps of: sorting material, cleaning, sunning, crushing, compounding, desulfurizing, cooling, refining, filtering and sheeting off. The process is simple, low in production cost, high in yield and high in regeneration effect, and the regenerated material has high quality and may be used in producing new inner tube. The process of the present invention may be applied widely in regenerating waste rubber.

Description

technical field [0001] The invention proposes a method for preparing new inner tube raw materials from waste butyl rubber inner tubes in the field of chemical industry. Background technique [0002] Butyl rubber is a synthetic rubber produced by the copolymerization of isobutylene and diene. After vulcanization, the product has good air tightness, heat resistance and shock absorption. It is used in the field of automobile tires to replace natural rubber. [0003] Before the present invention was proposed, the production process of reclaimed rubber was: tread rubber-cut rubber-coarse crushing-fine crushing-screening-rubber powder desulfurization-kneading-refining-reclaimed rubber finished product. [0004] The production process is to cut the tire tread rubber into pieces, carry out coarse crushing, and then carry out fine crushing, send the rubber powder that meets the particle size requirements into the dynamic desulfurization tank, add coal tar, and feed steam to preheat a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B17/00B29B7/00B29B13/10C08J11/10C08L23/22C08K3/22
CPCY02W30/62
Inventor 赵光李玉川
Owner LIAONING WANLAI TIRE
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