CN111171440A - Deodorization foaming material and preparation method thereof - Google Patents

Deodorization foaming material and preparation method thereof Download PDF

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Publication number
CN111171440A
CN111171440A CN202010179138.8A CN202010179138A CN111171440A CN 111171440 A CN111171440 A CN 111171440A CN 202010179138 A CN202010179138 A CN 202010179138A CN 111171440 A CN111171440 A CN 111171440A
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foaming
deodorizing
percent
eva
original
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郭仁成
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Dongguan Zhaoyang Xingye Plastic Products Co ltd
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Dongguan Zhaoyang Xingye Plastic Products Co ltd
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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
    • C08J9/06—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 chemical blowing agent
    • C08J9/10—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 chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/14—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined made of sponge, rubber, or plastic materials
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • 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
    • 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
    • C08J9/0066—Use of inorganic compounding ingredients
    • 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
    • C08J9/0066—Use of inorganic compounding ingredients
    • C08J9/0071—Nanosized fillers, i.e. having at least one dimension below 100 nanometers
    • 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
    • C08J9/009—Use of pretreated compounding ingredients
    • 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
    • C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
    • 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
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
    • 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
    • C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Emergency Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention relates to the technical field of foaming materials, in particular to a deodorizing foaming material and a preparation method thereof.

Description

Deodorization foaming material and preparation method thereof
Technical Field
The invention relates to the technical field of foaming materials, in particular to a deodorization foaming material and a preparation method thereof.
Background
The foamed plastic has the advantages of light weight, heat insulation, sound insulation, buffering, high specific strength and the like. Therefore, the composite material is widely applied to the fields of packaging, industry, agriculture, transportation, military industry, aerospace industry, daily necessities and the like.
China is a large producing country of shoe materials, the materials for producing the shoe materials at present are generally EVA (ethylene-vinyl acetate copolymer), the EVA has the advantages of good elasticity, portability, easy coloring and the like, the EVA foaming shoe materials are widely applied to sole manufacturing, however, because the air permeability and the hygroscopicity of the EVA foaming shoe materials are poor, sweat secreted by sweat glands of feet cannot be evaporated in time when the soles made of the EVA foaming shoe materials are used, a humid environment is formed in the shoes, a large number of bacteria are easily bred, the soles are smelly, even beriberi occurs, and the practicability is low.
Disclosure of Invention
The invention aims to provide a deodorizing foaming material for preventing odor and a preparation method thereof, aiming at the defects in the prior art.
The purpose of the invention is realized by the following technical scheme:
the deodorizing foamed material includes elastic granular material of lime chloride and EVA in 0.1-0.5 wt%.
Preferably, the weight ratio of the lime chloride to the EVA is 1: 10 to 1: 5.
more preferably, the elastic granules also comprise nano silicate modified SEBS accounting for 5-15% of the weight of the EVA.
As one of the best schemes, the SEBS modified by the nano silicate is prepared by mixing and modifying 10 parts of SEBS, 1-3 parts of EVA, 1-2 parts of calcium carbonate, 0.5-1 part of white oil, 0.5-1 part of nano silicate, 0.5-1 part of metallocene polyethylene, 0.1-0.5 part of linear low density polyethylene and 0.5-1 part of POE and then granulating.
Specifically, the original foaming system is a foaming system mainly comprising ethylene-vinyl acetate copolymer and polyolefin elastomer.
More specifically, the original foaming system is specifically:
45-55% of ethylene-vinyl acetate copolymer
5 to 20 percent of polyolefin elastomer
2 to 10 percent of calcium carbonate
4 to 10 percent of zinc stearate
5% -10% of 1, 4-di-tert-butylperoxyisopropyl benzene
2 to 10 percent of azodicarbonamide
5 to 10 percent of color master batch.
Preferably, the polyolefin elastomer has a melt index MI of 0.5 to 30g/10min and an ethylene mass content of 55 to 69%.
Preferably, the melt index MI of the ethylene-vinyl acetate copolymer is 3-8g/10min, and the mass content of vinyl acetate is 18-28%.
Preferably, when the original foaming system is added into the elastic granules, silver-loaded zirconium phosphate accounting for 0.1 to 0.5 percent of the weight of the original foaming system is also added.
A preparation method of a deodorizing foaming material comprises the following steps:
the method comprises the following steps: preparing elastic granules, and extruding and granulating the chlorinated lime and the EVA to obtain the elastic granules;
step two: adding the elastic granules into an original foaming system, banburying and then foaming.
Preferably, the foaming temperature in the second step is 150-180 ℃.
The deodorizing foaming material is used for manufacturing insoles.
The invention has the beneficial effects that: according to the invention, the elastic granules prepared from the chloralkali and the EVA are added into the original foaming system, and the material with chloride ions is utilized to increase the permeability of bacterial cell walls to cause bacterial damage, so that the generation of odor when the foaming material is used as an insole to wear is avoided, and experiments show that the invention can effectively reduce 84-90% of ammonia. The invention has the advantages of easily obtained raw materials, low cost, simple process and good deodorization effect.
Detailed Description
The invention is further described with reference to the following examples.
Example 1
A deodorizing foaming material comprises the following components in percentage by weight of 1: 10 of chlorine lime and EVA, the elastic pellets being 0.2% by weight of the original foamed system.
The original foaming system is specifically as follows:
ethylene-vinyl acetate copolymer 45%
20% of polyolefin elastomer
Calcium carbonate 5%
4 percent of zinc stearate
1, 4-bis-tert-butylperoxyisopropyl benzene 6%
2 percent of azodicarbonamide
8 percent of color master batch.
A preparation method of a deodorizing foaming material comprises the following steps:
the method comprises the following steps: preparing elastic granules, and extruding and granulating the chlorinated lime and the EVA to obtain the elastic granules;
step two: adding the elastic granules into an original foaming system, banburying and then foaming.
And the foaming temperature in the second step is 150 ℃.
The deodorizing foaming material is used for manufacturing insoles.
Example 2
A deodorizing foaming material comprises the following components in percentage by weight of 1: 8 the elastic granular material prepared from the chlorinated lime and the EVA accounts for 0.3 percent of the original foaming system by weight. The elastomeric pellets also included nano-silicate modified SEBS at 5% by weight of EVA.
The original foaming system is specifically as follows:
ethylene-vinyl acetate copolymer 50%
15% of polyolefin elastomer
Calcium carbonate 5%
5 percent of zinc stearate
1, 4-bis-tert-butylperoxyisopropyl benzene 10%
10 percent of azodicarbonamide
5% of color master batch.
In the original foaming system of this example, silver-loaded zirconium phosphate in an amount of 0.2% by weight of the original foaming system was also added.
A preparation method of a deodorizing foaming material comprises the following steps:
the method comprises the following steps: preparing elastic granules, and extruding and granulating the SEBS modified by the chlorinated lime, the EVA and the nano silicate to obtain the elastic granules;
step two: adding the elastic granules and the silver-loaded zirconium phosphate into an original foaming system, banburying and then foaming.
And the foaming temperature in the second step is 160 ℃.
The deodorizing foaming material is used for manufacturing insoles.
Example 3
A deodorizing foaming material comprises the following components in percentage by weight of 1: 8 the elastic granular material prepared from the chlorinated lime and the EVA accounts for 0.4 percent of the original foaming system by weight. The elastomeric pellets also included nano-silicate modified SEBS at 10% by weight of EVA. The nano silicate modified SEBS is prepared by blending and modifying 10 parts of SEBS, 2 parts of EVA, 2 parts of calcium carbonate, 1 part of white oil, 1 part of nano silicate, 0.5 part of metallocene polyethylene, 0.2 part of linear low-density polyethylene and 0.8 part of POE and then granulating.
The original foaming system is specifically as follows:
ethylene-vinyl acetate copolymer 55%
Polyolefin elastomer 5%
Calcium carbonate 10%
Zinc stearate 10%
1, 4-bis-tert-butylperoxyisopropyl benzene 10%
5 percent of azodicarbonamide
5% of color master batch.
Silver-loaded zirconium phosphate accounting for 0.3 percent of the weight of the original foaming system is also added.
A preparation method of a deodorizing foaming material comprises the following steps:
the method comprises the following steps: preparing elastic granules, and extruding and granulating the chlorinated lime and the EVA to obtain the elastic granules;
step two: adding the elastic granules and the silver-loaded zirconium phosphate into an original foaming system, banburying and then foaming.
And the foaming temperature in the second step is 170 ℃.
The deodorizing foaming material is used for manufacturing insoles.
Example 4
A deodorizing foaming material comprises the following components in percentage by weight of 1: 5 elastic granular materials prepared from chlorinated lime and EVA, wherein the elastic granular materials account for 0.5 percent of the original foaming system by weight. The elastomeric pellets also included nano-silicate modified SEBS at 15% by weight of EVA. The nano silicate modified SEBS is prepared by blending and modifying 10 parts of SEBS, 3 parts of EVA, 2 parts of calcium carbonate, 1 part of white oil, 1 part of nano silicate, 1 part of metallocene polyethylene, 0.5 part of linear low-density polyethylene and 1 part of POE and then granulating.
The original foaming system is specifically as follows:
ethylene-vinyl acetate copolymer 50%
10% of polyolefin elastomer
Calcium carbonate 7%
Zinc stearate 7%
1, 4-bis-tert-butylperoxyisopropyl benzene 7%
4 percent of azodicarbonamide
5% of color master batch.
A preparation method of a deodorizing foaming material comprises the following steps:
the method comprises the following steps: preparing elastic granules, and extruding and granulating the SEBS modified by the chlorinated lime, the EVA and the nano silicate to obtain the elastic granules;
step two: adding the elastic granules into an original foaming system, banburying and then foaming.
And the foaming temperature in the second step is 180 ℃.
The deodorizing foaming material is used for manufacturing insoles.
Example 5
A deodorizing foaming material comprises the following components in percentage by weight of 1: 8 the elastic granular material prepared from the chlorinated lime and the EVA accounts for 0.4 percent of the original foaming system by weight. The elastomeric pellets also included nano-silicate modified SEBS at 10% by weight of EVA. The nano silicate modified SEBS is prepared by blending and modifying 10 parts of SEBS, 2 parts of EVA, 2 parts of calcium carbonate, 1 part of white oil, 1 part of nano silicate, 0.5 part of metallocene polyethylene, 0.2 part of linear low-density polyethylene and 0.8 part of POE and then granulating.
The original foaming system is specifically as follows:
ethylene-vinyl acetate copolymer 55%
Polyolefin elastomer 5%
Calcium carbonate 10%
Zinc stearate 10%
1, 4-bis-tert-butylperoxyisopropyl benzene 10%
5 percent of azodicarbonamide
5% of color master batch.
Silver-loaded zirconium phosphate accounting for 0.1 percent of the weight of the original foaming system, graphene accounting for 0.05 percent of the weight of the original foaming system and a silane coupling agent accounting for 0.05 percent of the weight of the original foaming system are also added.
A preparation method of a deodorizing foaming material comprises the following steps:
the method comprises the following steps: preparing elastic granules, and extruding and granulating the chlorinated lime and the EVA to obtain the elastic granules;
step two: adding the elastic granules, silver-loaded zirconium phosphate, graphene and a silane coupling agent into an original foaming system, and carrying out banburying and foaming.
And the foaming temperature in the second step is 170 ℃.
The deodorizing foaming material is used for manufacturing insoles.
Experiments prove that the physical and mechanical properties of the foaming material are not influenced, and the foaming material of the SEBS modified by the nano silicate has better performance; the deodorization effect of the invention is obviously improved, and experiments show that the invention can effectively reduce 84% -90% of ammonia (detected by adopting a detection tube method (ISO 17299-2: 2014)), wherein the ammonia which can be reduced in the embodiments 1 to 5 is respectively 84%, 89%, 90%, 86% and 91%.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (9)

1. A deodorizing foam material characterized by: the foaming agent comprises elastic granules prepared from chlorinated lime and EVA, wherein the elastic granules account for 0.1-0.5% of the original foaming system by weight.
2. A deodorizing foaming material according to claim 1, wherein: the weight ratio of the chlorinated lime to the EVA is 1: 10 to 1: 5.
3. a deodorizing foaming material according to claim 1, wherein: the elastic granular material also comprises SEBS modified by nano silicate and accounting for 5-15% of the weight of the EVA.
4. A deodorizing foaming material according to claim 1, wherein: the original foaming system is a foaming system taking ethylene-vinyl acetate copolymer and polyolefin elastomer as main bodies.
5. A deodorizing foam according to claim 4, characterized in that: the original foaming system is specifically as follows:
45-55% of ethylene-vinyl acetate copolymer
5 to 20 percent of polyolefin elastomer
2 to 10 percent of calcium carbonate
4 to 10 percent of zinc stearate
5% -10% of 1, 4-di-tert-butylperoxyisopropyl benzene
2 to 10 percent of azodicarbonamide
5 to 10 percent of color master batch.
6. A deodorizing foam according to claim 4 or 5, characterized in that: when the elastic granules are added into the original foaming system, silver-loaded zirconium phosphate accounting for 0.1-0.5 percent of the weight of the original foaming system is also added.
7. The method for preparing a deodorizing foaming material according to claim 1, wherein: it comprises the following steps:
the method comprises the following steps: preparing elastic granules, and extruding and granulating the chlorinated lime and the EVA to obtain the elastic granules;
step two: adding the elastic granules into an original foaming system, banburying and then foaming.
8. The method for preparing deodorizing foaming material according to claim 7, characterized in that: and the foaming temperature in the second step is 150-180 ℃.
9. A deodorizing foamed material according to any one of claims 1 to 8 for use in producing shoe insoles.
CN202010179138.8A 2020-03-16 2020-03-16 Deodorization foaming material and preparation method thereof Pending CN111171440A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113665154A (en) * 2021-09-06 2021-11-19 东莞兆阳兴业塑胶制品有限公司 Preparation method of hollow sole

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Application publication date: 20200519