Soft and hard integrated composite material with shape memory function as well as preparation method and application thereof

A composite material and memory technology, which is applied in the field of soft and hard integrated composite materials and preparation, can solve the problems of complicated manufacturing process, high cost, and increased carbon emissions, and achieve the effects of reducing manufacturing costs, wide application range, and saving costs

Active Publication Date: 2019-03-05
山东贝隆新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has many disadvantages: 1) The manufacturing cycle is long and the process is complicated; 2) The production of the receiving cavity is a personalized non-standard operation, and the requirements for the experience and professional quality of the prosthetic orthotist are relatively high, and the adaptability of the obtained products to the disabled is different. 3) The raw materials are all derived from fossil resources, which are non-renewable resources, and obviously not green products; 4) After being discarded, they will increase carbon emissions, which is obviously not environmentally friendly in today's increasingly loud calls for environmental protection; 5) Receiving Cavity preparation is finalized once and cannot be changed again
Therefore, the disabled can only choose a receiving cavity that is approximately suitable for the shape of their own residual limb, but c...

Method used

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  • Soft and hard integrated composite material with shape memory function as well as preparation method and application thereof
  • Soft and hard integrated composite material with shape memory function as well as preparation method and application thereof
  • Soft and hard integrated composite material with shape memory function as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] The specific formula of the protective layer is:

[0053] Polycaprolactone (plastic) 100 parts

[0054] DCP 0.5 copies

[0055] Titanium dioxide (filler) 5 parts

[0056] The specific formula of the soft lining is:

[0057]

[0058] According to the above protective layer formula and soft lining formula, according to the traditional rubber milling, banburying, kneading or extrusion mixing process, according to the feeding sequence of rubber-activator-filler-softener-anti-aging agent-vulcanizing agent, respectively The above two formulas are mixed to obtain semi-finished products of mixed rubber for the protective layer and semi-finished products of mixed rubber for the soft lining layer, which are stored for more than 16 hours for use. The kneading temperature of the protective layer is 60°C±10°C; the kneading temperature of the soft lining is normal temperature plus cooling water circulation cooling.

[0059] According to the proportion of 50%, weigh the same am...

Embodiment 2

[0063] The specific formula of the protective layer is:

[0064]

[0065] The specific formula of the soft lining is:

[0066]

[0067] According to the above protective layer formula and soft lining formula, according to the traditional rubber milling, banburying, kneading or extrusion mixing process, according to the feeding sequence of rubber-activator-filler-softener-anti-aging agent-vulcanizing agent, respectively The above two formulas are mixed to obtain semi-finished products of mixed rubber for the protective layer and semi-finished products of mixed rubber for the soft lining layer, which are stored for more than 16 hours for use. The kneading temperature of the protective layer is 70°C±10°C; the kneading temperature of the soft lining is normal temperature plus cooling water circulation cooling.

[0068] According to the volume ratio of 1:9, weigh 1 volume part of the protective layer compound rubber and 9 volume parts of the soft lining layer compound rubber...

Embodiment 3

[0073] The specific formula of the protective layer is:

[0074]

[0075] The specific formula of the soft lining is:

[0076]

[0077] According to the above protective layer formula and soft lining formula, according to the traditional rubber milling, banburying, kneading or extrusion mixing process, according to the feeding sequence of rubber-activator-filler-softener-anti-aging agent-vulcanizing agent, respectively The above two formulas are mixed to obtain semi-finished products of mixed rubber for the protective layer and semi-finished products of mixed rubber for the soft lining layer, which are stored for more than 16 hours for use. The kneading temperature of the protective layer is 80°C±10°C; the kneading temperature of the soft lining is normal temperature plus cooling water circulation cooling.

[0078] According to the volume ratio of 3:7, weigh 3 parts by volume of the protective layer compound rubber and 7 parts by volume of the soft lining layer compound...

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Abstract

The invention discloses a soft and hard integrated composite material with a shape memory function as well as a preparation method and application thereof. The composite material comprises three layers, namely a surface decoration layer, a protective layer and a soft lining layer, wherein the protective layer is made of plastic or vulcanized plastic; the plastic is heated and softened at the temperature of more than 55 DEG C, and the plastic is crystallized and hardened after the temperature is lower than 55 DEG C; the soft lining layer is made of foamed polyurethane, rubber or foamed rubber;the soft lining layer and the protective layer are subjected to heat fitting or co-vulcanization to form an integrated structure; and the surface decoration layer is a coating layer. According to theprinciple of material shape memory and the principle that materials such as the gutta-percha are crystallized and melted to become an amorphous state after the temperature is increased to more than 60DEG C, and can be random molded, a respective mixing and vulcanization process is carried out, and an individual protective tool or a disabled person auxiliary tool capable of being molded at will isprepared. The prepared protective tool or auxiliary tool can be prepared according to different types of different people, so that personalized instruments which are optimally fitted to the human body can be adjusted.

Description

technical field [0001] The invention relates to the technical field of polymer materials, and more specifically, relates to a soft-hard integrated composite material with shape memory function, a preparation method and an application. Background technique [0002] Polymer materials are widely used in sports protective gear, assistive devices for the disabled and medical equipment. For example, the sports protective gear currently sold in the domestic market is mainly made of polymer materials to resist external damage to the human body, and then made of EVA, rubber, polyurethane and other foam materials to dissipate energy and protect the human body from damage. Getting hurt. However, these protective gears have two common shortcomings that cannot be overcome: first, these protective materials are all one-time molding, and the appearance and shape cannot be changed after being finalized, so they cannot adapt to the different physical characteristics of different groups of p...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L91/06C08L67/04C08K13/02C08K5/09C08K5/18C08K3/36C08K5/14C08K3/22C08J9/10C08G18/48C08G18/76B32B27/36B32B27/18B32B27/22B32B25/12B32B25/08B32B7/08B32B37/10B32B37/12B32B25/04B32B25/14B32B27/08B32B27/28B32B33/00
CPCC08G18/48C08G18/7671C08J9/107C08K3/22C08K5/14C08L7/00C08L9/00C08L9/06B32B7/08B32B25/042B32B25/08B32B25/12B32B25/14B32B27/08B32B27/18B32B27/22B32B27/285B32B27/36B32B33/00B32B37/10B32B37/12B32B2535/00B32B2371/00B32B2367/00B32B2319/00B32B2317/22B32B2255/26B32B2255/10B32B2305/72C08J2375/08C08J2203/04C08J2307/00C08J2491/06C08K2003/2296C08K2003/2241C08L67/04C08L91/06C08K13/02C08K5/09C08K3/36C08K5/18C08K5/13A61F5/01A63B71/12B32B25/04B32B27/28C08G18/76C08J9/10
Inventor 张继川张立群李亮亮
Owner 山东贝隆新材料科技有限公司
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