CN113197392A

CN113197392A - Graphite alkene shoe-pad of breathing freely

Info

Publication number: CN113197392A
Application number: CN202110567076.2A
Authority: CN
Inventors: 傅陆军
Original assignee: Hangzhou Kaiyue New Material Co ltd
Current assignee: Hangzhou Kaiyue New Material Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-08-03

Abstract

The invention relates to a graphene breathable insole which is prepared from a component A and a component B through a foaming process; the weight ratio of the component A to the component B is 100: 30-80. According to the invention, the A component and the B component are arranged, the insole is prepared from the A component and the B component through a foaming process, and the components of the A component and the B component are reasonably arranged, so that the obtained insole has excellent mechanical property, high comfort level, good elasticity, excellent air permeability, small compression permanent deformation and a certain antibacterial effect.

Description

Graphite alkene shoe-pad of breathing freely

Technical Field

The present invention relates to features of footwear; the technical field of parts of shoes, in particular to a graphene breathable insole.

Background

The insole is mainly used at the bottom of the inner side of the shoe and used for forming the buffer between the sole and the sole, and is also widely applied to special functions of health care and the like along with the development of industry.

Due to the application characteristics of the insole, the evaluation standard of the insole usually comprises mechanical characteristics and use feeling, and the mechanical characteristics and the use feeling can not be considered in the prior art, so that one of the mechanical characteristics and the use feeling are generally more excellent, or the mechanical characteristics and the use feeling are generally high, or the mechanical properties and the use comfort are excellent and lack of the use comfort.

Disclosure of Invention

The invention solves the problems in the prior art and provides an optimized graphene breathable insole.

The technical scheme adopted by the invention is that the graphene breathable insole is prepared from a component A and a component B through a foaming process; the weight ratio of the component A to the component B is 100: 30-80.

Preferably, the component A comprises, by weight, 70-75 parts of polyether polyol, 20-25 parts of polymer polyol, 0.5-1 part of foam stabilizer, 4-6 parts of chain extender, 0.5-1 part of catalyst, 2-3 parts of antibacterial agent, 1.5-1.7 parts of foaming agent and 0.01-0.03 part of graphene slurry.

Preferably, the polyether polyol is polyoxypropylene triol, has a primary hydroxyl content of greater than 60 percent, has a number average molecular weight of 4500-7000 and is capped with acetylene oxide, with glycerol as the initiator.

The invention uses primary hydroxyl to replace secondary hydroxyl of common polyether end group, and limits the content of primary hydroxyl to be more than 60%, and the obtained product has high hardness, large resilience and excellent mechanical property.

Preferably, the polymer polyol is based on vinyl polyether triol, and is subjected to graft copolymerization by using styrene or acrylonitrile, wherein the solid content is more than 40%.

Preferably, the foam stabilizer is a polysiloxane-oxyalkylene block copolymer.

Preferably, the chain extender is a mixture of diethanolamine and ethylene glycol, and the mass ratio of the diethanolamine to the ethylene glycol is 1: 3.

Preferably, the catalyst is a triethylenediamine solution.

Preferably, the blowing agent is water; specifically, the crosslinking agent for foaming is water.

Preferably, the B component is MDI; namely, the component A is calculated by 100 parts by weight, and the corresponding MDI is 30-80 parts.

The invention relates to an optimized graphene breathable insole, which is characterized in that a component A and a component B are arranged, the insole is prepared from the component A and the component B through a foaming process, and the components of the component A and the component B are reasonably arranged, so that the obtained insole is excellent in mechanical property, high in comfort level, good in elasticity, excellent in breathability, small in compression permanent deformation and further has a certain antibacterial effect.

Detailed Description

The present invention is described in further detail with reference to the following examples, but the scope of the present invention is not limited thereto.

Example 1

Preparing a component A: 70 parts of polyether polyol, 20 parts of polymer polyol, 0.5 part of foam stabilizer, 4 parts of chain extender, 0.5 part of catalyst, 3 parts of antibacterial agent, 1.7 parts of foaming agent and 0.03 part of graphene additive;

preparing a component B: 29.92 parts of MDI;

the component A and the component B are combined through a conventional foaming process under the action of foaming cross-linking agent water to prepare the breathable insole.

Example 2

Preparing a component A: 75 parts of polyether polyol, 25 parts of polymer polyol, 1 part of foam stabilizer, 6 parts of chain extender, 1 part of catalyst, 2 parts of antibacterial agent, 1.5 parts of foaming agent and 0.01 part of graphene additive;

preparing a component B: 89.21 parts of MDI;

Example 3

Preparing a component A: 72 parts of polyether polyol, 23 parts of polymer polyol, 0.7 part of foam stabilizer, 5 parts of chain extender, 0.8 part of catalyst, 2.3 parts of antibacterial agent, 1.6 parts of foaming agent and 0.02 part of graphene additive;

preparing a component B: 73.79 parts of MDI;

The breathable insoles prepared in the embodiments 1 to 3 are subjected to hardness and horizontal/vertical rebound tests, the hardness is 48 degrees by taking GB/T3903.4 as a standard, the rebound is 58% (+/-2%) by taking GB/T1681-1991 as a standard, and compared with the prior art, the breathable insoles are remarkably improved in both indexes, high in using comfort degree and excellent in mechanical property.

Claims

1. A graphene breathable insole is characterized in that: the insole is prepared from a component A and a component B through a foaming process; the weight ratio of the component A to the component B is 100: 30-80.

2. The graphene breathable insole of claim 1, wherein: the component A comprises, by weight, 70-75 parts of polyether polyol, 20-25 parts of polymer polyol, 0.5-1 part of foam stabilizer, 4-6 parts of chain extender, 0.5-1 part of catalyst, 2-3 parts of antibacterial agent, 1.5-1.7 parts of foaming agent and 0.01-0.03 part of graphene slurry.

3. The graphene breathable insole according to claim 2, wherein: the polyether polyol is polyoxypropylene triol, takes glycerin as an initiator, has the primary hydroxyl content of more than 60 percent, has the number average molecular weight of 4500-7000 and is terminated by acetylene oxide.

4. The graphene breathable insole according to claim 2, wherein: the polymer polyol takes vinyl polyether triol as a base ether, styrene or acrylonitrile is used for graft copolymerization, and the solid content is more than 40%.

5. The graphene breathable insole according to claim 2, wherein: the foam stabilizer is polysiloxane-oxyalkylene block copolymer.

6. The graphene breathable insole according to claim 2, wherein: the chain extender is a mixture of diethanolamine and ethylene glycol, and the mass ratio of the diethanolamine to the ethylene glycol is 1: 3.

7. The graphene breathable insole according to claim 2, wherein: the catalyst is a triethylene diamine solution.

8. The graphene breathable insole according to claim 2, wherein: the foaming agent is water.

9. The graphene breathable insole of claim 1, wherein: the component B is MDI.