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Preparation method for oil-absorbing swelling rubber

An oil-absorbing expansion and rubber technology is applied in the field of oil-absorbing rubber to achieve the effect of low price, excellent performance and improving oil-absorbing performance

Active Publication Date: 2018-02-06
贵阳柯四达金属结构有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above method can improve the oil absorption performance of oil-absorbing swelling rubber, it still needs further improvement in terms of large-scale production and cost.

Method used

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  • Preparation method for oil-absorbing swelling rubber
  • Preparation method for oil-absorbing swelling rubber
  • Preparation method for oil-absorbing swelling rubber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: Take 200 grams of styrene-butadiene rubber and 100 grams of carbon black and mix them evenly on a double-roll mill. The temperature of the double-rolls is set to 40 °C for the front roll and 30 °C for the rear roll. Add 100 grams of oil-absorbing resin in the process of mixing; add aramid fibers after mixing evenly, add vulcanization aid after further mixing evenly, zinc oxide 7.5 grams, stearic acid 3 grams, anti-aging agent 5 grams, accelerator TT0. 48 grams, 2.7 grams of sulfur, 2.1 grams of DM, 5.1 grams of M5.1 grams, 0.71 grams of D0.71 grams, and 2.25 grams of CZ continue to mix evenly, and then pass through the next sheet. The vulcanization time and vulcanization temperature are measured by a rotorless rubber vulcanizer. After vulcanization, the oil-absorbing swellable styrene-butadiene rubber blend is obtained. Appropriately extending the cold pressing time is conducive to the improvement of the performance of the blend:

[0023] Mechanical property...

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Abstract

The invention discloses a preparation method for oil-absorbing swelling rubber. The oil-absorbing swelling rubber is characterized by being prepared from the following components in parts by weight: 100 parts of butadiene styrene rubber, 20-50 parts of carbon black, 20-50 parts of oil-absorptive resin and 1-5 parts of aramid fiber, wherein the oil-absorptive resin is prepared by copolymerizing butyl acrylate (BA), methyl methacrylate (MMA), styrene and a coupling reagent; vulcanization additives are added in the preparation process; and the vulcanization additives include zinc oxide, stearic acid, anti-aging agent, sulfur and accelerants TT, DM, M, D and CZ. According to the invention, the monomers are synthesized into the oil-absorptive resin and then the oil-absorptive resin is mixed with butadiene styrene rubber and aramid fiber so as to acquire a novel oil-absorbing swelling rubber, so that the oil-absorbing property is promoted under the condition that the material strength is notreduced, the oil-absorbing swelling rubber is low in cost and has excellent performances and the industrial large-scale production can be realized.

Description

technical field [0001] The invention relates to the technical field of oil-absorbing rubber, in particular to a preparation method of oil-absorbing swelling rubber. technical background [0002] High oil-absorbing resin is a polymer with low crosslinking degree prepared by copolymerization of lipophilic monomers, and it is a kind of swelling functional polymer material. In the blending modification of oil-absorbing rubber, oil-absorbing resin is generally added to the matrix rubber, and the oil absorption rate and expansion rate of oil-absorbing swelling rubber are improved by adjusting the amount of oil-absorbing resin added. [0003] Oil-absorbing swelling rubber can be made by grafting and blending. Oil-absorbing swelling rubber includes butyl rubber, ethylene-propylene rubber, chlorinated butyl rubber, brominated butyl rubber, neoprene rubber, ethylene acrylate rubber, silicone rubber, styrene-butadiene rubber, etc. according to the source of the matrix. Carbon black i...

Claims

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Application Information

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IPC IPC(8): C08L9/06C08L33/08C08L77/10C08K13/02C08K3/04C08F220/18C08F212/08C08F220/14C08F230/08
CPCC08F220/18C08F220/1804C08L9/06C08L2205/03C08L2205/16C08L33/08C08L77/10C08K13/02C08K3/04C08F212/08C08F220/14C08F230/08
Inventor 李杨周琴段攀峰龙琼马智慧金璐
Owner 贵阳柯四达金属结构有限公司
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