Modified bamboo fiber reinforced anti-aging styrene-butadiene rubber and preparation method thereof

A technology of styrene-butadiene rubber and bamboo fiber, which is applied in the field of rubber materials, can solve the problems of slow reaction speed, poor ozone resistance, and low strength, and achieve the effects of enhanced polarity, sufficient intercalation power, and excellent tensile properties

Pending Publication Date: 2019-04-26
陶伟珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Physical and chemical changes are carried out under the combined action of light, heat, oxygen and ozone, but its oxidation is slower than that of natural rubber, and the aging reaction speed is relatively slow even at relatively high temperatures. The aging of light on styrene-butadiene rubber The effect is not obvious, but the effect of ozone on styrene-

Method used

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  • Modified bamboo fiber reinforced anti-aging styrene-butadiene rubber and preparation method thereof

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Effect test

Embodiment 1

[0012] A modified bamboo fiber reinforced anti-aging styrene butadiene rubber, comprising the following steps: 100 parts of styrene butadiene rubber, 20 parts of carbon black, 2 parts of zinc oxide, 0.5 parts of stearic acid, 0.5 parts of accelerator D, and TMTD of accelerator 1.5 parts, 3 parts of antioxidant 4020, 1 part of sulfur, 10 parts of modified bamboo fiber, 5 parts of γ-glycidoxypropyltrimethoxysilane modified zinc oxide, 15 parts of modified polarized PSBS 8331 ;

[0013] Among them, the preparation method of the modified bamboo fiber is to dry the chemical bamboo pulp fiber at 100°C, and then add it to the mixed aqueous solution of N-methylol acrylamide and sulfuric acid to soak, and the concentration of the mixed aqueous solution of N-methylol acrylamide It is 2.5% and the concentration of sulfuric acid is 0.5%. After soaking for 1 min, take it out and dry it.

[0014] The above-mentioned method for preparing modified bamboo fiber reinforced anti-aging styrene-butadi...

Embodiment 2

[0016] A modified bamboo fiber reinforced anti-aging styrene butadiene rubber, comprising the following steps: 200 parts of styrene butadiene rubber, 30 parts of carbon black, 4 parts of zinc oxide, 2 parts of stearic acid, 1.5 parts of accelerator D, and TMTD of accelerator 0.5 parts, antioxidant 4020 6 parts, sulfur 2.5 parts, modified bamboo fiber 20 parts, γ-glycidoxypropyltrimethoxysilane modified zinc oxide 10 parts, modified polarized PSBS8231 25 parts;

[0017] Among them, the preparation method of the modified bamboo fiber is to dry the chemical bamboo pulp fiber at 100°C, and then add it to the mixed aqueous solution of N-methylol acrylamide and sulfuric acid to soak, and the concentration of the mixed aqueous solution of N-methylol acrylamide It is 6% and the concentration of sulfuric acid is 1.5%. After soaking for 5 minutes, take it out and dry it.

[0018] The above-mentioned method for preparing modified bamboo fiber reinforced anti-aging styrene-butadiene rubber, fi...

Embodiment 3

[0020] A modified bamboo fiber reinforced anti-aging styrene butadiene rubber, comprising the following steps: 120 parts of styrene butadiene rubber, 25 parts of carbon black, 2 parts of zinc oxide, 0.8 parts of stearic acid, 0.8 parts of accelerator D, and accelerator TMTD: 0.5 parts, 4 parts of antioxidant 4020, 1.5 parts of sulfur, 12 parts of modified bamboo fiber, 6 parts of γ-glycidoxypropyltrimethoxysilane modified zinc oxide, 15 parts of modified polarized PSBS8331;

[0021] Among them, the preparation method of the modified bamboo fiber is to dry the chemical bamboo pulp fiber at 100°C, and then add it to the mixed aqueous solution of N-methylol acrylamide and sulfuric acid to soak, and the concentration of the mixed aqueous solution of N-methylol acrylamide It is 3.5% and the concentration of sulfuric acid is 0.8%. After soaking for 1 min, take it out and dry it.

[0022] The above-mentioned method for preparing modified bamboo fiber reinforced anti-aging styrene-butadien...

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Abstract

The invention provides a preparation method of modified bamboo fiber reinforced anti-aging styrene-butadiene rubber. The preparation method comprises the following steps that firstly styrene-butadienerubber and a modified polarized styrene-butadiene-styrene triblock copolymer are subjected to mixing, the mixing temperature is 80-95 DEG C, and the time is 2-5 min; then carbon black, zinc oxide, stearic acid, modified bamboo fibers and gamma-glycidoxypropyltrimethoxysilane modified zinc oxide are added sequentially; and finally, an accelerant D, an accelerant TMTD, an anti-aging agent 4020 andsulfur are added, then mill run and triangle packaging are performed, piece discharging is performed after mixing for 4-8min, and rubber materials are stored for 24h and then vulcanized. The modifiedbamboo fiber reinforced anti-aging styrene-butadiene rubber has good aging resistant performance and excellent mechanical properties.

Description

Technical field [0001] The invention relates to a rubber material, in particular to a modified bamboo fiber reinforced anti-aging styrene butadiene rubber and a preparation method thereof. Background technique [0002] Styrene-butadiene rubber (SBR) is a copolymer of butadiene and styrene. It is the rubber with the largest output in synthetic rubber. Styrene-butadiene rubber has excellent mechanical properties, wear resistance and heat resistance, and is widely used in tires, Rubber products such as hoses, tapes, wires and cables, medical equipment, etc. SBR is an unsaturated olefin polymer. The solubility parameter is about 8.4, and it can be dissolved in solvents with solubility parameters close to styrene butadiene rubber such as hydrocarbons, while vulcanized rubber can only swell. At the same time, styrene-butadiene rubber can be oxidized and destroyed by ozone, resulting in halogenation and hydrohalogenation reactions. It undergoes physical and chemical changes under the...

Claims

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Application Information

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IPC IPC(8): C08L9/06C08L53/02C08L97/02C08K13/02C08K3/04C08K3/22C08K5/09C08K5/40C08J5/06
CPCC08J5/06C08J2309/06C08J2453/02C08K3/04C08K5/09C08K5/40C08K13/02C08K2003/2296
Inventor 陶伟珍
Owner 陶伟珍
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