CN111484728A - Sole material, preparation method thereof and shoe product - Google Patents

Sole material, preparation method thereof and shoe product Download PDF

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Publication number
CN111484728A
CN111484728A CN202010393985.4A CN202010393985A CN111484728A CN 111484728 A CN111484728 A CN 111484728A CN 202010393985 A CN202010393985 A CN 202010393985A CN 111484728 A CN111484728 A CN 111484728A
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Prior art keywords
component
sole material
sole
parts
weight
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Inventor
黄远
姜佳林
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Quanzhou Huadeng New Material Technology Co ltd
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Quanzhou Huadeng New Material Technology Co ltd
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Priority to CN202010393985.4A priority Critical patent/CN111484728A/en
Publication of CN111484728A publication Critical patent/CN111484728A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/04—Plastics, rubber or vulcanised fibre
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00—Manufacture of cellular products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2410/00—Soles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C08J2375/08—Polyurethanes from polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2483/04—Polysiloxanes

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention relates to the technical field of clothing production, and particularly discloses a sole material, a preparation method thereof and a shoe product, wherein the sole material comprises a component A and a component B, and the component A comprises the following raw materials: polyether polyol, polytetrahydrofuran ether glycol, an amine catalyst, a foaming agent, silicone oil and water; according to the invention, the sole material is prepared by mixing part of the component A and the component B to obtain the isocyanate prepolymer and then mixing the isocyanate prepolymer with the rest of the component A, so that the rebound rate of the sole material can be obviously improved, the weight of the sole material is effectively reduced, and the problem that the existing sole material cannot ensure the rebound rate and reduce the weight at the same time is solved. The preparation method provided by the embodiment of the invention is simple, the rebound rate of the PU material can be effectively improved, the weight of the material can be reduced, and the prepared sole has lighter weight and higher rebound rate.

Description

Sole material, preparation method thereof and shoe product
Technical Field
The invention relates to the technical field of clothing production, in particular to a sole material, a preparation method thereof and a shoe product.
Background
With the continuous improvement of living standard, the quality requirements of people on shoes are also continuously improved. Wherein, the sole is an important component of the shoe, and the quality of the material for preparing the sole directly influences the overall quality of the shoe. In general, the sole material needs to have various properties such as wear resistance, water resistance, oil resistance, heat resistance, pressure resistance, impact resistance, good elasticity, heat preservation, skid resistance and the like.
At present, the sole material commonly used in the market is Phylon (Phylon) material or PU (Polyurethane) material, and the Phylon material can be a primary foamed Phylon material or a secondary foamed Phylon material, etc. The secondary foaming Phylon material is most commonly applied in the market because the cost is low, but the problem of low rebound rate exists, the material is easy to deform and is heavy as a whole; although the PU material is not easy to deform compared with the Phyton material, the cost is high, and the PU material has higher density, so that the rebound rate is lower than that of the Phyton material, and the whole weight is heavier.
Therefore, the above technical solutions have the following disadvantages in practical use: the existing sole material has the problem that the weight cannot be reduced while the rebound rate is ensured.
Disclosure of Invention
The invention aims to provide a sole material, which aims to solve the problem that the existing sole material proposed in the background art cannot ensure the rebound rate and reduce the weight at the same time.
The embodiment of the invention is realized as follows: the invention provides a sole material, which comprises a component A and a component B; wherein the component A comprises the following raw materials in parts by weight: 30-60 parts of polyether polyol, 40-70 parts of polytetrahydrofuran ether glycol, 0.5-1.2 parts of amine catalyst, 3-10 parts of foaming agent, 0.2-0.8 part of silicone oil and a proper amount of water; the B component is diphenylmethane Diisocyanate (MDI).
As a further scheme of the invention: the weight ratio of the A component to the B component is 131.2-149.2: 7.2-13.2.
As a still further scheme of the invention: the weight ratio of the A component to the B component is 131.2-149.2: 8.8-10.8.
Preferably, the weight ratio of the a component to the B component is 143.45: 11.55.
as a still further scheme of the invention: the component A comprises the following raw materials in parts by weight: 30-60 parts of polyether polyol, 40-70 parts of polytetrahydrofuran ether glycol, 0.5-1.2 parts of amine catalyst, 3-10 parts of foaming agent, 0.2-0.8 part of silicone oil and 1.2-2 parts of water.
As a still further scheme of the invention: the component A comprises the following raw materials in parts by weight: 35-55 parts of polyether polyol, 45-65 parts of polytetrahydrofuran ether glycol, 0.8-1.2 parts of amine catalyst, 5-10 parts of foaming agent, 0.3-0.5 part of silicone oil and 1.2-2 parts of water.
Preferably, the component A comprises the following raw materials in parts by weight: 50 parts of polyether polyol, 50 parts of polytetrahydrofuran ether glycol, 1 part of amine catalyst, 10 parts of foaming agent, 0.35 part of silicone oil and 1.8 parts of water.
As a still further scheme of the invention: the preparation process of the component A comprises the following steps: weighing polyether polyol, polytetrahydrofuran ether glycol, an amine catalyst, a foaming agent, silicone oil and water in proportion, and uniformly mixing to obtain the component A.
As a still further scheme of the invention: the molecular weight of the polyether polyol is 4000-6500 Da.
As a still further scheme of the invention: the molecular weight of the polytetrahydrofuran ether glycol is 800-2200 Da.
As a still further scheme of the invention: the amine catalyst may be any one selected from an aliphatic amine catalyst, an alicyclic amine catalyst, an alcohol compound catalyst, and an aromatic amine catalyst.
As a still further scheme of the invention: the aliphatic amine catalyst may be triethylene diamine, N, N-dimethylcyclohexylamine, bis (2-dimethylaminoethyl) ether, N, N, N ', N' -tetramethylalkylenediamine, triethylamine, N, N-dimethylbenzylamine, or the like.
As a still further scheme of the invention: the alicyclic amine catalyst can be solid amine, N-ethyl morpholine, N' -diethyl piperazine and the like.
As a still further scheme of the invention: the alcohol compound catalyst can be triethanolamine, dimethylethanolamine, etc.
As a still further scheme of the invention: the aromatic amine may be pyridine, N' -dimethylpyridine, or the like.
Preferably, the amine catalyst is triethylene diamine. Specifically, a product manufactured by the New classical chemical materials (Shanghai) Co., Ltd., model No. DABCO EG, which is a solution composed of 33 wt% of triethylenediamine and 67 wt% of ethylene glycol, may be selected.
As a still further scheme of the invention: the blowing agent may be a chemical blowing agent, a physical blowing agent or a surfactant.
As a still further scheme of the invention: the foaming agent is a physical foaming agent, and particularly can be a physical foaming agent HCFC-141b, namely a monofluorodichloroethane foaming agent.
As a still further scheme of the invention: the MDI can adopt crude MDI or refined MDI, is selected according to requirements, is not limited here, and can be an existing product.
Preferably, the B component is fine MDI.
Another object of the embodiments of the present invention is to provide a method for preparing a sole material, including the following steps:
1) weighing part of the component A according to a proportion, adding the component A into the component B, and uniformly mixing to obtain an isocyanate prepolymer;
2) and (3) uniformly stirring and mixing the isocyanate prepolymer and the rest of the component A by adopting a PU (polyurethane) filling machine to obtain the sole material.
As a still further scheme of the invention: the content of the component B in the isocyanate prepolymer is 18-22 wt%.
Preferably, the content of the component B in the isocyanate prepolymer is 21 wt%.
As a still further scheme of the invention: the temperature of the isocyanate prepolymer and the rest of the component A when uniformly mixed is 35-40 ℃; in practical use, because the isocyanate prepolymer has very high reaction activity and the moisture in the air has a great influence on the isocyanate prepolymer, the excessive humidity in the air needs to be avoided as much as possible during use so as not to have adverse effect on the service performance of the sole material.
As a still further scheme of the invention: the solidification temperature of the isocyanate prepolymer is 19-21 ℃.
Preferably, the solidification temperature of the isocyanate prepolymer is 20 ℃.
Another object of the embodiments of the present invention is to provide a sole material prepared by the above method.
Another object of an embodiment of the present invention is to provide an article of footwear, which comprises, partially or totally, the above-mentioned sole material.
As a still further scheme of the invention: the shoe product can be a finished sole product or a finished vamp product, and is not limited herein; generally, the shoe product is specifically prepared by injecting the sole material into a mold, foaming for 3 to 10 minutes, and removing the mold to obtain the shoe product.
As a still further scheme of the invention: when the sole material is used for preparing a finished sole product, the specific method is to inject the sole material into a sole mould for foaming for 3-10 minutes, and remove the sole mould to obtain the finished sole product.
As a still further scheme of the invention: when the sole material is injected into a sole mold for foaming, whether auxiliary materials required for sole preparation are injected or not can be selected according to needs, the auxiliary materials can be ethylene propylene diene monomer rubber, ethylene-vinyl acetate copolymer, thermoplastic polyurethane elastomer rubber, polyvinyl chloride and the like, and are specifically selected according to needs, and the selection is not limited herein, and the sole preparation method can refer to the method in the prior art, and is not repeated herein.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
the sole material prepared by the embodiment of the invention has excellent rebound rate, and comprises a component A and a component B, wherein the component A comprises the following raw materials: polyether polyol, polytetrahydrofuran ether glycol, an amine catalyst, a foaming agent, silicone oil and water; according to the invention, the sole material is prepared by mixing part of the component A and the component B to obtain the isocyanate prepolymer and then mixing the isocyanate prepolymer with the rest of the component A, so that the rebound rate of the sole material can be obviously improved, and the weight of the sole material is effectively reduced. The preparation method provided by the embodiment of the invention is simple, the rebound rate of the PU material can be effectively improved, the weight of the material can be reduced, the prepared sole has lighter weight and higher rebound rate, and the problem that the existing sole material cannot reduce the weight while ensuring the rebound rate is solved.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
A sole material comprises a component A and a component B, wherein the component A comprises the following raw materials: 30kg of polyether polyol, 40kg of polytetrahydrofuran ether glycol, 0.5kg of amine catalyst, 3kg of foaming agent, 0.2kg of silicone oil and 1.2kg of water; the B component was diphenylmethane diisocyanate, and the weight of the B component was 4.11 kg.
In this example, the molecular weight of the polyether polyol was 4000Da, the molecular weight of the polytetrahydrofuran ether glycol was 800Da, the amine catalyst was triethylene diamine, the blowing agent was the physical blowing agent HCFC-141b, and the silicone oil was a soft-bubble silicone oil.
In this embodiment, the preparation method of the sole material is as follows:
1) weighing polyether polyol, polytetrahydrofuran ether glycol, an amine catalyst, a foaming agent, silicone oil and water, and uniformly mixing to obtain a component A;
2) weighing part of the component A, adding the component A into the component B, and uniformly mixing to obtain an isocyanate prepolymer; wherein the content of the component B in the isocyanate prepolymer is 18 wt%;
2) and (3) uniformly stirring and mixing the isocyanate prepolymer and the rest of the component A by adopting a PU filling machine (the mixing temperature is 35 ℃), and obtaining the sole material.
Example 2
A sole material comprises a component A and a component B, wherein the component A comprises the following raw materials: 60kg of polyether polyol, 70kg of polytetrahydrofuran ether glycol, 1.2kg of amine catalyst, 10kg of foaming agent, 0.8kg of silicone oil and 2kg of water; the B component was diphenylmethane diisocyanate, and the weight of the B component was 6.95 kg.
In this example, the polyether polyol has a molecular weight of 6500Da, the polytetrahydrofuran ether glycol has a molecular weight of 2200Da, the amine catalyst is N, N-dimethylcyclohexylamine, the blowing agent is the physical blowing agent HCFC-141b, and the silicone oil is a rigid cell silicone oil.
In this embodiment, the preparation method of the sole material is as follows:
1) weighing polyether polyol, polytetrahydrofuran ether glycol, an amine catalyst, a foaming agent, silicone oil and water, and uniformly mixing to obtain a component A;
2) weighing part of the component A, adding the component A into the component B, and uniformly mixing to obtain an isocyanate prepolymer; wherein the content of the component B in the isocyanate prepolymer is 22 wt%;
2) and (3) uniformly stirring and mixing the isocyanate prepolymer and the rest of the component A by adopting a PU filling machine (the mixing temperature is 40 ℃), and obtaining the sole material.
Example 3
A sole material comprises a component A and a component B, wherein the component A comprises the following raw materials: 50kg of polyether polyol, 50kg of polytetrahydrofuran ether glycol, 1kg of amine catalyst, 10kg of foaming agent, 0.35kg of silicone oil and 1.8kg of water; the B component was diphenylmethane diisocyanate, and the weight of the B component was 9.11 kg.
In this example, the molecular weight of the polyether polyol is 600Da and the functionality is 3, the molecular weight of the polytetrahydrofuran ether glycol is 2000Da, the amine catalyst is a product of type DABCO EG, which is a solution consisting of 33% by weight of triethylenediamine and 67% by weight of ethylene glycol, the blowing agent is the physical blowing agent HCFC-141b, and the silicone oil is a soft-foam silicone oil.
In this embodiment, the preparation method of the sole material is as follows:
1) weighing polyether polyol, polytetrahydrofuran ether glycol, an amine catalyst, a foaming agent, silicone oil and water, and uniformly mixing to obtain a component A;
2) weighing part of the component A, adding the component A into the component B, and uniformly mixing to obtain an isocyanate prepolymer; wherein the content of the component B in the isocyanate prepolymer is 21 wt%;
2) and (3) uniformly stirring and mixing the isocyanate prepolymer and the rest of the component A by adopting a PU filling machine (the mixing temperature is 36 ℃), and obtaining the sole material.
Example 4
A finished sole product is made of the sole material of example 3, and is specifically prepared by injecting the sole material into a sole mold, foaming for 10 minutes, and removing the sole mold to obtain the finished sole product.
Example 5
The same as example 4 except that the foaming time was 3 minutes, compared to example 4.
Example 6
The same as example 4 except that the foaming time was 5 minutes, compared with example 4.
Example 7
The same as example 4 except that the foaming time was 8 minutes, compared with example 4.
Example 8
A sole material comprises a component A and a component B, wherein the component A comprises the following raw materials: 50kg of polyether polyol, 50kg of polytetrahydrofuran ether glycol, 1kg of amine catalyst, 10kg of foaming agent, 0.35kg of silicone oil and 1.8kg of water; the B component was diphenylmethane diisocyanate, and the weight of the B component was 11.4 kg.
In this example, the molecular weight of the polyether polyol is 600Da and the functionality is 3, the molecular weight of the polytetrahydrofuran ether glycol is 2000Da, the amine catalyst is a product of type DABCO EG, which is a solution consisting of 33% by weight of triethylenediamine and 67% by weight of ethylene glycol, the blowing agent is the physical blowing agent HCFC-141b, and the silicone oil is a soft-foam silicone oil.
In this example, the sole material was prepared in the same manner as in example 3.
Example 9
Same as example 8 except that the weight of the B component was 5.46kg compared to example 8.
Example 10
Same as example 8 except that the weight of the B component was 10.01kg compared to example 8.
Example 11
Same as example 8 except that the weight of the B component was 6.2kg compared to example 8.
Example 12
Same as example 8 except that the weight of the B component was 8.19kg as compared with example 8.
Example 13
Same as example 8 except that the weight of the B component was 6.67kg compared to example 8.
Example 14
Same as example 8 except that the weight of the B component was 9.31kg as compared with example 8.
Example 15
Same as example 8 except that the weight of the B component was 7.59kg compared to example 8.
Example 16
A sole material comprises a component A and a component B, wherein the component A comprises the following raw materials: 35kg of polyether polyol, 45kg of polytetrahydrofuran ether glycol, 0.8kg of amine catalyst, 5kg of foaming agent, 0.3kg of silicone oil and 1.2kg of water; the B component is diphenylmethane diisocyanate, and the weight of the B component is 10 kg.
In this example, the polyether polyol has a molecular weight of 500Da and a functionality of 3, the polytetrahydrofuran ether glycol has a molecular weight of 2000Da, the amine catalyst is a product of type DABCO EG, which is a solution consisting of 33% by weight of triethylenediamine and 67% by weight of ethylene glycol, the blowing agent is the physical blowing agent HCFC-141b, and the silicone oil is a soft-foam silicone oil.
In this example, the sole material was prepared in the same manner as in example 3.
Example 17
A sole material comprises a component A and a component B, wherein the component A comprises the following raw materials: 55kg of polyether polyol, 65kg of polytetrahydrofuran ether glycol, 1.2kg of amine catalyst, 10kg of foaming agent, 0.5kg of silicone oil and 2kg of water; the B component was diphenylmethane diisocyanate, and the weight of the B component was 11.4 kg.
In this example, the polyether polyol has a molecular weight of 600Da and a functionality of 3, the polytetrahydrofuran ether glycol has a molecular weight of 2000Da, the amine catalyst is N, N-dimethylcyclohexylamine, the blowing agent is the physical blowing agent HCFC-141b, and the silicone oil is a soft-bubble silicone oil.
In this example, the sole material was prepared in the same manner as in example 3.
Example 18
The same as example 17 except that the amine catalyst was N-ethylmorpholine as compared with example 17.
Example 19
Compared with example 17, the method is the same as example 17 except that the amine catalyst is triethanolamine.
Example 20
The same as example 17 except that the amine catalyst was pyridine, as compared with example 17.
Comparative example 1
Preparing a finished sole product from the secondary foamed Phyton material in the existing market according to the method in the embodiment 4, wherein the specific preparation method comprises the steps of injecting the secondary foamed Phyton material into a sole mold for foaming for 10 minutes, and removing the sole mold to obtain the finished sole product.
Comparative example 2
Preparing a finished sole product from a common PU material in the existing market according to the method in the embodiment 4, wherein the specific preparation method comprises the steps of injecting the PU material into a sole mold, foaming for 10 minutes, and removing the sole mold to obtain the finished sole product.
Performance testing
The finished product of the sole prepared in example 4 and the finished product of the sole prepared in comparative examples 1-2 were respectively subjected to performance tests specifically referring to GB/T38018-2019, GB/T7759 and the like, hardness test was carried out by using Japanese ASKER durometer-C type, compression set was measured at 23 ℃ and 50% relative humidity for 24h, and the specific test results are shown in Table 1.
Table 1 table of performance test results
Figure BDA0002486976440000101
As can be seen from the data in table 1, the sole material comprises a component a and a component B, wherein the component a comprises the following raw materials: the sole material is prepared by mixing part of the component A and the component B to obtain an isocyanate prepolymer and then uniformly stirring and mixing the isocyanate prepolymer with the rest component A, so that the rebound rate of the sole material can be obviously improved, and the forming density can reach 0.08-0.12g/cm3Effectively reducing the weight of the sole material. The preparation method provided by the embodiment of the invention is simple, and by using the formula and the preparation method provided by the embodiment of the invention, the rebound rate of the PU material can be effectively improved, and moreover, the preparation method is capable of effectively improving the rebound rate of the PU materialThe weight of the material can be reduced, so that the prepared sole has lighter weight and higher rebound rate, the problem that the weight cannot be reduced while the rebound rate is ensured in the conventional sole material is solved, and compared with a secondary foam Phylon material, the sole material provided by the embodiment of the invention has the advantages that the preparation process flow is relatively simple, the productivity can be effectively improved, and the market prospect is wide.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims (10)

1. The sole material comprises a component A and a component B, and is characterized in that the component A comprises the following raw materials in parts by weight: 30-60 parts of polyether polyol, 40-70 parts of polytetrahydrofuran ether glycol, 0.5-1.2 parts of amine catalyst, 3-10 parts of foaming agent, 0.2-0.8 part of silicone oil and a proper amount of water; the component B is diphenylmethane diisocyanate.
2. The sole material of claim 1, wherein the weight ratio of the a component to the B component is 131.2-149.2: 7.2-13.2.
3. The sole material according to claim 1, wherein the component A comprises the following raw materials in parts by weight: 35-55 parts of polyether polyol, 45-65 parts of polytetrahydrofuran ether glycol, 0.8-1.2 parts of amine catalyst, 5-10 parts of foaming agent, 0.3-0.5 part of silicone oil and 1.2-2 parts of water.
4. The sole material as claimed in claim 1, wherein the molecular weight of the polyether polyol is 4000-6500Da and the molecular weight of the polytetrahydrofuran ether glycol is 800-2200 Da.
5. The sole material according to claim 1, wherein the amine catalyst is selected from any one of an aliphatic amine catalyst, an alicyclic amine catalyst, an alcohol compound catalyst, and an aromatic amine catalyst.
6. A method for preparing a sole material according to any one of claims 1 to 5, comprising the steps of:
1) weighing part of the component A according to a proportion, adding the component A into the component B, and uniformly mixing to obtain an isocyanate prepolymer;
2) and uniformly mixing the isocyanate prepolymer with the rest of the component A to obtain the sole material.
7. The method for preparing a sole material according to claim 6, wherein the content of the component B in the isocyanate prepolymer is 18 to 22 wt%.
8. The method for preparing a sole material according to claim 6, wherein the temperature at which the isocyanate prepolymer and the remaining component A are uniformly mixed is 35 to 40 ℃.
9. A sole material produced by the method for producing a sole material according to any one of claims 6 to 8.
10. An article of footwear comprising, in part or in whole, the sole material of claim 1 or 2 or 3 or 4 or 5 or 9.
CN202010393985.4A 2020-05-11 2020-05-11 Sole material, preparation method thereof and shoe product Pending CN111484728A (en)

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CN103254392A (en) * 2013-05-24 2013-08-21 淄博德信联邦化学工业有限公司 Polyether combined material for shoe soles and preparation method thereof
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WO2013037179A1 (en) * 2011-06-03 2013-03-21 山东东大一诺威聚氨酯有限公司 Auto-crusting microporous elastomer composition for use in polyurethane foam-filled tire
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