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Styrene butadiene rubber (SBR) sponge composite material and preparation method thereof

A composite material and sponge technology, applied in the field of preparation of SBR sponge composite materials, can solve the problems of weak anti-aging ability, low tensile strength, easy to burn, etc.

Inactive Publication Date: 2011-04-06
ZHIHE FUJIAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] To sum up, the existing domestic SBR sponge composite materials have disadvantages such as weak anti-aging ability, easy combustion, large thermal shrinkage, low tensile strength, and large compression deformation rate.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Example 1: 100 parts by mass of SBR1502 glue, 30 parts of EPDM, 170 parts of light calcium, 29 parts of clay, 23 parts of N330 black smoke, 67 parts of naphthenic oil, 2.7 parts of AFLUX-42, 2.7 parts of stearic acid, zinc oxide 9 parts, 2.1 parts of antioxidant, 2.5 parts of protective wax, 5 parts of vulcanizing agent and auxiliary agent, 19 parts of AC foaming agent, 36 parts of flame retardant chlorinated paraffin-70, 34 parts of flame retardant antimony trioxide , 2.6 parts of diethylene glycol, a processing aid, are put into the internal mixer in sequence and mixed for 15 minutes to 120°C, and the material is fed to the open training machine for 10 minutes, then cooled for 12 hours, and then preheated with the open training machine for 6 minutes. Use the extruder To produce the film, first use a 1800T hydraulic press with a steam pressure of about 3 kg for about 30 minutes to perform the first-stage vulcanization; finally use a 300T hydraulic press with a steam pre...

Embodiment 2

[0011] Example 2: 100 parts by mass of SBR1502 glue, 50 parts of EPDM, 180 parts of light calcium, 30 parts of clay, 25 parts of N330 black smoke, 70 parts of naphthenic oil, 3 parts of AFLUX-42, 2.8 parts of stearic acid, zinc oxide 9.5 parts, 2.3 parts of antioxidant, 2.8 parts of protective wax, 6 parts of vulcanizing agent and auxiliary agent, 21 parts of AC foaming agent, 39 parts of flame retardant chlorinated paraffin-70, 34.5 parts of flame retardant antimony trioxide , 2.8 parts of diethylene glycol as a processing aid are put into the internal mixer in sequence and mixed for 15 minutes to 120°C, and the material is fed to the open-training machine for 10 minutes, then cooled for 12 hours, and then preheated with the open-training machine for 6 minutes. Use the extruder To produce the film, first use a 1800T hydraulic press with a steam pressure of about 3 kg for about 30 minutes to perform the first-stage vulcanization; finally use a 300T hydraulic press with a steam ...

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Abstract

The invention discloses a styrene butadiene rubber (SBR) sponge composite material and a preparation method thereof and relates to the preparation method of the SBR sponge composite material. SBR rubber 1502 is prepared by the following steps of: sequentially adding 30 to 50 mass parts of ethylene propylene terpolymer, 170 to 180 mass parts of light calcium carbonate serving as a filler, 28 to 30 mass parts of argil, 23 to 25 mass parts of black smoke serving as a reinforcing agent N330, 67 to 70 mass parts of naphthenic oil serving as a softener, 2.7 to 3 mass parts of dispersant AFLUX-42, 2 to 2.3 mass parts of antioxidant, 2.5 to 2.8 mass parts of protective wax, 2.7 to 2.8 mass parts of stearic acid, 9 to 9.5 mass parts of zinc oxide, 5 to 6 mass parts of vulcanizing agent and vulcanizing agent aid, 19 to 21 mass parts of activated charcoal (AC) foaming agent, 70 to 73.5 mass parts of flame retardant and 2.5 to 2.8 mass parts of processing aid into an internal mixer for mixing, performing thin passing, cooling and extruding; performing primary vulcanization and secondary vulcanization; and foaming. The composite material has the advantages that: an ethylene-propylene-diene monomer (EPDM) has high ageing resistance, saturation non-polarity and non-self-reinforcing property and can absorb a large amount of oil and a large number of fillers; simultaneously, the flame retardant is added, so that the product has high flame retardance and high antistatic property.

Description

Technical field: [0001] The invention relates to a preparation method of SBR sponge composite material. Background technique: [0002] SBR sponge composite materials are widely used in sports and fitness, shoe materials, bag materials, medical protective gear, water sports and other fields. The main raw material of the existing SBR sponge composite material in China is styrene-butadiene rubber and other raw materials, which are processed and mixed, and then foamed by high-temperature and high-pressure two-stage vulcanization and foaming by a flat vulcanizer to form a sponge. The existing domestic SBR sponge composite materials generally have disadvantages such as weak anti-aging ability, easy combustion, large heat shrinkage, low tensile strength, and high compression deformation rate. Usually, the formula is based on 100 parts by mass of SBR, and 151-157 parts by mass of filler, 53-55 parts by mass of softener, 26-26.3 parts by mass of reinforcing agent, 15-16 parts by mas...

Claims

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Application Information

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IPC IPC(8): C08L9/06C08L23/16C08K13/02C08K3/26C08K5/09C08K3/22C08K5/02B29C69/02
Inventor 丁振远
Owner ZHIHE FUJIAN TECH
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