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Water stimulation response rubber composite material and preparation method thereof

A stimuli-responsive, composite material technology, applied in the field of water stimuli-responsive rubber composites and their preparation, can solve problems such as temperature tolerance of human body, achieve good shape memory fixation and shape recovery performance, short process flow, and improve utilization value Effect

Active Publication Date: 2019-12-20
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a water-stimuli-responsive rubber composite material and its preparation method, aiming to solve the human body’s temperature tolerance limit when shape-memory materials are used in biomedical and other fields, and to develop water-stimuli-responsive composite materials

Method used

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  • Water stimulation response rubber composite material and preparation method thereof

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preparation example Construction

[0026] A kind of preparation method of water stimulus response rubber composite material of the present invention comprises the following steps:

[0027] Mixing process, in the double-roller mill, adjust the roll temperature to 60-80°C, add nitrile rubber and polyethylene oxide, and cover the rolls; after it is completely covered with rolls, add vulcanizing agent and processing aids , left and right thin pass 3-5 times; adjust the roller distance to 1-3mm, and then unload; park for 18-24h, re-smelting, thin pass 3-5 times; adjust the roller distance to 1-3mm, and unload;

[0028] Vulcanization process, the vulcanization temperature is 150-160°C, and the vulcanization time is 5-10min to obtain rubber composite materials.

[0029] Specifically, the vulcanization process is carried out in a high-temperature flat vulcanizer.

[0030] Further, in the mixing process, the wrapping time is 4-10 minutes.

[0031] Preferably, the re-milling temperature in the mixing process is 60-80°C...

Embodiment 1

[0033] A kind of preparation method of water stimulus response rubber composite material of the present invention comprises the following steps:

[0034]1) Weigh the following raw materials in parts by weight in turn: 30 parts of nitrile rubber, 70 parts of polyethylene oxide, 0.8 part of vulcanizing agent DCP, 1 part of processing aid, including 0.3 part of zinc oxide, 0.2 part of antioxidant MB part and 0.5 part of stearic acid;

[0035] 2) Mixing process, in the double-roll mill, adjust the roll temperature to 60°C, add nitrile rubber and polyethylene oxide, and cover the rolls; after it is completely covered with rolls, add vulcanizing agent and processing aids , left and right thin passes 3 times; adjust the roller distance to 1mm, and then unload; park for 18h, re-smelt, thin pass 5 times; adjust the roller distance to 1mm, and unload;

[0036] 3) Vulcanization process, in a high-temperature plate vulcanizer, with a vulcanization temperature of 150°C and a vulcanization...

Embodiment 2

[0038] A kind of preparation method of water stimulus response rubber composite material of the present invention comprises the following steps:

[0039] 1) Weigh the following raw materials in parts by weight in turn: 60 parts of nitrile rubber, 40 parts of polyethylene oxide, and 1.6 parts of vulcanizing agent DCP;

[0040] 2) Mixing process, in the double-roller mill, adjust the roller temperature to 80°C, add nitrile rubber and polyethylene oxide, and cover the rolls; 5 times; adjust the roller distance to 3mm, and then unload; park for 24 hours, re-smelt, thin pass 3 times; adjust the roller distance to 3mm, and unload;

[0041] 3) Vulcanization process, in a high-temperature plate vulcanizer, the vulcanization temperature is 160° C., and the vulcanization time is 5 minutes to obtain rubber composite materials.

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Abstract

The invention discloses a water stimulation response rubber composite material and a preparation method thereof. The rubber composite material comprises the following raw materials in parts by weight:30-80 parts of nitrile rubber, 20-70 parts of polyethylene oxide, 0.8-1.6 parts of a vulcanizing agent and 0-5 parts of a processing aid. The invention further discloses a preparation method of the rubber composite material. The rubber composite material is prepared from the raw materials through mixing and vulcanization. A conventional rubber high polymer material and a functional high polymer material are compounded to prepare the rubber composite material with water stimulation response through mixing and vulcanization, the rubber composite material is a novel stimulation response rubber composite material, the utilization value of a shape memory high polymer material can be increased, the rubber composite material has a uniform texture, is of a cross-linked network structure, is freeof problems such as delamination, has a transition temperature interval between room temperature and body temperature constantly, has good properties of shape memory fixation and shape recovery, and can be widely applied to fields such as biological medical treatment.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, in particular to a water-stimuli-responsive rubber composite material and a preparation method thereof. Background technique [0002] Shape-memory polymer material is a kind of product with an initial shape that changes its initial condition and fixes it under certain conditions, and can restore its original shape through the stimulation of external conditions (such as heat, electricity, light, chemical induction, etc.). Polymer Materials. Shape memory polymer materials have a large amount of deformation, easy to assign, light weight, and structural diversity; and have excellent insulation properties, heat preservation properties, and easy coloring properties, making them widely used in biomedical, smart textiles, and high-performance sensors. focus on. Shape memory polymer materials have great application prospects in the field of clinical medicine and implanted medical equipment. W...

Claims

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Application Information

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IPC IPC(8): C08L71/02C08L9/02C08K13/02C08K5/14C08K3/06B29B7/52B29B7/72B29C35/02
CPCC08L71/02C08L9/02B29B7/52B29B7/72B29C35/02C08L2201/12C08L2312/00C08L2203/02C08K13/02C08K5/14C08K3/06
Inventor 夏琳邱桂学刘广永
Owner QINGDAO UNIV OF SCI & TECH
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