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Trans-polyisoprene, microporous material employing trans-polyisoprene and rubber, and preparation method of microporous material

A polyisoprene, microporous material technology, applied in the field of polymer materials, to achieve the effect of light weight, low density and high elasticity

Active Publication Date: 2017-09-26
FUJIAN XINGXUN NEW MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few reports on the use of TPI as a foaming material for the matrix rubber.

Method used

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  • Trans-polyisoprene, microporous material employing trans-polyisoprene and rubber, and preparation method of microporous material
  • Trans-polyisoprene, microporous material employing trans-polyisoprene and rubber, and preparation method of microporous material
  • Trans-polyisoprene, microporous material employing trans-polyisoprene and rubber, and preparation method of microporous material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] chemical foaming

[0031] 100 parts of trans polyisoprene, 3 parts of active agent, 4 parts of vulcanizing agent, 6 parts of vulcanization auxiliary agent, 12 parts of foaming agent, 0.5 part of anti-aging agent.

[0032] The active agent is TBBS; the vulcanizing agent is sulfur; the vulcanizing auxiliary agent is stearic acid and zinc oxide; the chemical foaming agent is azodicarbonamide; the anti-aging agent is anti-aging agent 1010.

[0033] The temperature of the internal mixer is set at 80°C, put TPI into the internal mixer, knead for 2 minutes, add active agent, vulcanizing agent, vulcanization aid, and foaming agent, knead for 3 minutes, and discharge to obtain a mixed rubber. Put the mixed rubber into the mold, press 10MPa, temperature 175°C, time 6min, adopt the mold-hopping foaming method to obtain foaming material, its scanning electron microscope picture is shown in figure 1 1-1.

[0034] physical foaming

[0035] 100 parts of trans polyisoprene, 3 parts ...

Embodiment 2

[0039] chemical foaming

[0040] 60 parts of TPI, 20 parts of BR, 20 parts of SBR; 2 parts of active agent, 3 parts of vulcanizing agent, 5 parts of vulcanization aid, 6 parts of foaming agent, and 0.5 part of anti-aging agent.

[0041] The active agent is TBBS; the vulcanizing agent is sulfur; the vulcanizing auxiliary agent is stearic acid and zinc oxide; the foaming agent is azodicarbonamide;

[0042] The temperature of the internal mixer is set at 80°C, put rubber into the internal mixer, knead for 2 minutes, add active agent, vulcanizing agent, vulcanization aid, and foaming agent, knead for 3 minutes, and discharge to obtain the mixed rubber. Put the mixed rubber into the mold, press 10MPa, temperature 165°C, time 12min, adopt mold-hopping foaming method to obtain foaming material, its scanning electron microscope picture is shown in figure 2 2-1.

[0043] physical foaming

[0044] 60 parts of TPI, 20 parts of BR, 20 parts of SBR; 2 parts of active agent, 3 parts of vu...

Embodiment 3

[0048] chemical foaming

[0049] 40 parts of TPI, 20 parts of BR; 20 parts of SBR; 20 parts of PB, 2 parts of active agent, 4 parts of vulcanizing agent, 4 parts of vulcanization auxiliary agent, 8 parts of foaming agent, and 1 part of anti-aging agent.

[0050] The active agent is TBBS; the vulcanizing agent is sulfur; the vulcanization auxiliary agent is stearic acid and zinc oxide; the foaming agent is AC; the anti-aging agent is anti-aging agent 264.

[0051] The temperature of the internal mixer is set at 80°C, put rubber into the internal mixer, knead for 2 minutes, add active agent, vulcanizing agent, vulcanization aid, and foaming agent, knead for 3 minutes, and discharge to obtain the mixed rubber. Put the mixed rubber into the mold, pressure 10MPa, temperature 160°C, time 15min, adopt the mold-hopping foaming method to obtain foaming material, its scanning electron microscope picture is shown in image 3 3-1.

[0052] physical foaming

[0053] 40 parts of TPI, 20 ...

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Abstract

The invention discloses trans-polyisoprene, a microporous material employing the trans-polyisoprene and rubber, and a preparation method of the microporous material; the microporous material comprises, according to its formula, 100 parts of trans-polyisoprene and rubber blend, 0-100 parts of a filling material, 0-50 parts of a plasticizer, 2-3 parts of an activator, 0.5-4 parts of a vulcanizer, 1-8 parts of a vulcanizing aid, 0-12 parts of a foaming agent, and 0.5-2 parts of an anti-aging agent. The trans-polyisoprene has fixed deformation at normal temperature and maintains relative high strength, high impact performance and good wear resistance for a long time; both the trans-polyisoprene and rubber are used to prepare a foam material, the relatively high hardness, high impact performance and good resistance in the trans-polyisoprene rubber are maintained, and elasticity of a rubber phase is also imparted; the shock-absorbing effect of the microporous material is enhanced through the foaming process, damping performance is improved, good comfort is maintained, and the microporous material is widely applicable as a sole material for sports shoes, leather shoes and other shoes and may also replace gypsum to act as a medical splint fixing material.

Description

technical field [0001] The invention relates to the field of polymer materials, and specifically relates to a trans-polyisoprene and a microporous foam material combined with rubber and a preparation method thereof. The material can be used for shoe materials, sports rehabilitation protective gear, and the like. Background technique [0002] The chemical composition of trans-1,4-polyisoprene (TPI) is exactly the same as that of isoprene rubber (IR) and natural rubber (NR). Since the double bond structure in the molecular chain is in the trans configuration, the molecular chain has good flexibility, making it an excellent elastomer. TPI has a trans structure and high order, which makes it easy to orderly aggregate and crystallize, appearing in a more plastic-like appearance; and it is a flexible chain, and its glass transition temperature is basically close to natural rubber. If TPI does not crystallize, it may become an elastomer. Therefore, considering the limitations of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/00C08L9/06C08K13/02C08K3/06C08K3/22C08K5/09C08J9/10
CPCC08J9/103C08K3/06C08K3/22C08K5/09C08K13/02C08L9/00C08K2003/2296C08L2205/025C08L2205/03C08L2205/035C08L2203/14C08J2309/00C08J2203/04C08L9/06
Inventor 张振秀马乐园张昕
Owner FUJIAN XINGXUN NEW MATERIALS TECH CO LTD
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