CN108641157A - A kind of EPE ground cushions of high density high elastic and strength - Google Patents
A kind of EPE ground cushions of high density high elastic and strength Download PDFInfo
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- 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
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- 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
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- 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
- C08J2423/10—Homopolymers or copolymers of propene
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Abstract
The present invention relates to EPE ground cushion technical fields, more particularly to a kind of EPE ground cushions of high density high elastic and strength, 30 80 parts of low density polyethylene (LDPE), 10 40 parts of modified polypropene, 3 10 parts of silane coupling agent, 0.5 3 parts of butane foaming agent, 24 parts of monoglyceride, 13 parts of stearic acid, 15 parts of fire retardant, 15 parts of talcum powder；U.S.A of MPP Weidas that the present invention adds 10%~30% for the ground cushion for having ventilative cushioning buffer effect in the prior art enables to ground cushion itself to have better intensity, use density higher, it is elastic more preferable, and level of comfort is high in use, also has the characteristics such as wear-resisting.
Description
Technical field
The present invention relates to EPE ground cushion technical fields, more particularly to a kind of EPE ground cushions of high density high elastic and strength.
Background technology
Foamed plastics is to be dispersed in a kind of high molecular material formed in solid plastic in the form of bubble by bulk gas.
The abscess substantial amounts of microcellular foam, and abscess is very small, abscess-size is less than the original defect of plastics inner so that modeling
The internal original crack tip passivation of material, prevents extension of the crackle under stress, so as to improve the mechanical property of foamed plastics
Can, the foamed plastics of conventional method preparation is avoided because having larger abscess, and when bearing external force, foam easily becomes plastics
The starting point of crackle, to the defect for making plastic strength reduce.Therefore, microcellular foam not only has general foamed plastics matter
Gently, sound insulation, it is heat-insulated, can absorb the advantages that shock loading, and there is good mechanical property, have a extensive future.
In the prior art, application for a patent for invention publication number 201410687296.9, in disclosed a kind of Crawl mat EPE
Material and preparation method thereof and Crawl mat, the Crawl mat are counted with EPE quality of materials parts, including 90~100 parts of low density polyethylene (LDPE),
5~8 parts of silane coupling agent, 0.5~2 part of butane foaming agent, 40~70 parts of talcum powder, 2~5 parts of glyceride, 1~3 part of zinc oxide,
0.5~2 part of stearic acid.The Crawl mat of EPE material preparations using the present invention has good water-proof function, and flexible, matter
Gently, high resilience, moreover it is possible to external impact force is absorbed and disperseed by being bent, achievees the effect that buffering, deformation is overcome, returns
The shortcomings that poor flexibility；Also there is heat insulation effect and easy cleaning simultaneously.
It is close there is also physical property insufficient strength but during the ground cushion manufactured in said program is fed back according to the use of client
Degree is inadequate, and comfort is poor to be directly resulted in the problems such as use intensity is relatively low and exist.
Invention content
It is added for the ground cushion for having ventilative cushioning buffer effect in the prior art to solve the above problems, the present invention is provided
10%~30% U.S.A of MPP Weidas enables to ground cushion itself to have better intensity, and using density higher, elasticity is more preferable,
And level of comfort is high in use, also has the EPE ground cushions of the high density high elastic and strength of characteristics such as wear-resisting.
The technical solution adopted in the present invention is：Including being made of following components by weight percent proportioning：
30-80 parts of low density polyethylene (LDPE)；
10-40 parts of modified polypropene；
3-10 parts of silane coupling agent：
0.5-3 parts of butane foaming agent；
2-4 parts of monoglyceride；
1-3 parts of stearic acid；
1-5 parts of fire retardant；
1-5 parts of talcum powder.
Further improvement of these options is, including is made of following components by weight percent proportioning：
50 parts of low density polyethylene (LDPE)；
30 parts of modified polypropene；
8 parts of silane coupling agent：
2 parts of butane foaming agent；
3 parts of monoglyceride；
2 parts of stearic acid；
3 parts of fire retardant；
2 parts of talcum powder.
Further improvement of these options is, including is made of following components by weight percent proportioning：
60 parts of low density polyethylene (LDPE)；
20 parts of modified polypropene；
7 parts of silane coupling agent；
3 parts of butane foaming agent；
3 parts of monoglyceride；
2 parts of stearic acid；
3 parts of fire retardant；
2 parts of talcum powder.
Further improvement of these options is that the fire retardant is one in antimony oxide or decabromodiphenylethane
Kind.
Further improvement of these options is that it is that MPP Weidas are beautiful that the modified polypropene, which is selected,.
Beneficial effects of the present invention are：
A kind of EPE ground cushions of high density high elastic and strength, including by following components：Low density polyethylene (LDPE), modified poly- third
Alkene, silane coupling agent, butane foaming agent, monoglyceride, stearic acid, fire retardant, talcum powder；
Wherein, low density polyethylene (LDPE), low density polyethylene (LDPE) (LDPE) are also known as high pressure polyethylene, are a kind of plastic materials, it
It is suitble to the various moulding process of thermoplastic molding's processing, molding processibility is good, and LDPE is mainly used for making film product, is additionally operable to
Injection-molded item, medical apparatus, drug and packaging material for food, blowing hollow molding product etc..
Wherein, monoglyceride model D-95, by Guangzhou, good man of great strength Food Co., Ltd produces；Monoglyceride also known as dihydroxy third
Base octadecane acid esters is carried out esterification by C16-C18 long chain fatty acids and glycerine and is made, makees to moisten in hybrid process
Lubrication prescription and antistatic agent can be used as the uses such as antifoaming agent, dispersant, thickener, wetting agent in other respects.
Wherein, it is a kind of thermoplastic resin of prepared by MPP Weidas are beautiful, and polypropylene is by propylene polymerization that modified polypropene, which is selected,
Fat, polypropylene are the highly crystalline polymer of nontoxic, odorless, tasteless milky, and density only has 0.90-- " 0.91g/cm3 to be
Most light one of kind in current all plastics.It is particularly stable to water, and water absorption rate in water is only 0.01%, and molecular weight is about
80000 one 15 ten thousand.Good moldability, but because shrinking percentage is big (for 1%~2.5%), product surface good luster；MPP (modified polypropene)
Calcium carbonate filled to be modified, modified MPP (modified polypropene) has good impact resistance, while improving printing
Energy.
Wherein, stearic acid, English name：STEARIC ACID.Hard fat that is mainly driven, being obtained in vegetable fat
Acid, main component are stearic acid (C18H36O2) and palmitic acid (C16H32O2).Sterling is with the soft small pieces of glossiness white.
Stearic acid is widely used in the manufacture of PVC plastic pipe, plank, proximate matter, film.It is PVC heat stabilizer, there is lubrication well
Property and preferable light, heat stabilization.In plastic pvc pipe, stearic acid helps to prevent " coking " in process,
Addition is a kind of effective heat stabilizer in PVC film processing, while can defend to be placed in finished product caused in sulfide cruelly
Film changes colour.Stearic acid is present in the form of glyceride in animal tallow, oil and some vegetable oil, these oil are through hydrolysis
Obtain stearic acid.
Wherein, talcum powder, white or off-white color, fine, without grittiness powder, hand touches with greasy feeling, odorless, tasteless.It is sliding
The main component of mountain flour is talcum, and after crushed, with HCl treatment, washing, drying forms.It is in water, dilute mine acid or dilute hydrogen-oxygen
It is insoluble in choline solution, it can make medicinal.Talcum powder can be divided into chemical grade talcum powder, ceramic-grade talc by purposes and rank
Powder, cosmetic-grade talc powder, medicine, food grade talc powder etc..
Fire retardant is one kind in antimony oxide or decabromodiphenylethane；
Wherein, antimony oxide (chemical formula：Sb2O3) it is a kind of inorganic compound.Natural products claims antimony bloom, is commonly called as antimony
In vain, white crystalline powder.655 DEG C of fusing point.1550 DEG C of boiling point.It is dissolved in sodium hydroxide solution, hot tartaric acid solution, hydrogen tartrate
Salting liquid and sodium sulfide solution are slightly soluble in 370 ± 37 μ g/L of water, dust technology and dilute sulfuric acid.
Wherein, decabromodiphenylethane is a kind of extensive wide spectrum additive flame retardant of use scope, and bromine content is high, and heat is steady
Qualitative good, anti-ultraviolet property is good, exudative low compared with other bromide fire retardants；In addition, decabromodiphenylethane is to open in recent years
A kind of novel, wide spectrum for producing, efficiently, the additive flame retardant of environmental protection, heat resistance, light resistance and be not easy leaching etc. special
Point is better than deca-BDE, and the two anti-flammability is almost the same, but it is fire-retardant when not will produce more bromines two that fears are entertained that and peck English and ask
Topic, toxicity are lower than deca-BDE.
In the present invention, 10%~30% is added for the ground cushion for having ventilative cushioning buffer effect in the prior art
U.S.A of MPP Weidas enables to ground cushion itself to have better intensity, and using density higher, elasticity is more preferable, and relaxes in use
Suitable degree is high, also has the characteristics such as wear-resisting.
Specific implementation mode
In the present embodiment 1, the EPE ground cushions of high density high elastic and strength, it is characterised in that：Including by following components by weight percent
Proportioning composition：
50 parts of low density polyethylene (LDPE)；
30 parts of modified polypropene；
8 parts of silane coupling agent：
2 parts of butane foaming agent；
3 parts of monoglyceride；
2 parts of stearic acid；
3 parts of fire retardant；
2 parts of talcum powder.
Fire retardant is antimony oxide.
There is high-strength tenacity and elasticity and resiliency by the prepared ground cushion of said components, and comfort level is good.
In the present embodiment 2, the EPE ground cushions of high density high elastic and strength, it is characterised in that：Including by following components by weight percent
Proportioning composition：
60 parts of low density polyethylene (LDPE)；
20 parts of modified polypropene；
7 parts of silane coupling agent；
3 parts of butane foaming agent；
3 parts of monoglyceride；
2 parts of stearic acid；
3 parts of fire retardant；
2 parts of talcum powder.
Fire retardant is decabromodiphenylethane.
Have high-strength use intensity and whole physical property stronger by the prepared ground cushion of said components, density higher.
In the present embodiment 3, the EPE ground cushions of high density high elastic and strength, it is characterised in that：Including by following components by weight percent
Proportioning composition：
70 parts of low density polyethylene (LDPE)；
10 parts of modified polypropene；
10 parts of silane coupling agent：
3 parts of butane foaming agent；
2 parts of monoglyceride；
1 part of stearic acid；
3 parts of fire retardant；
1 part of talcum powder.
Fire retardant is decabromodiphenylethane.
There is high-strength use intensity and comfort level higher by the prepared ground cushion of said components, elasticity is more preferable, density higher.
EPE ground cushions, including by following components：Low density polyethylene (LDPE), modified polypropene, silane coupling agent, butane foaming agent,
Monoglyceride, stearic acid, fire retardant, talcum powder；
Wherein, low density polyethylene (LDPE), low density polyethylene (LDPE) (LDPE) are also known as high pressure polyethylene, are a kind of plastic materials, it
It is suitble to the various moulding process of thermoplastic molding's processing, molding processibility is good, and LDPE is mainly used for making film product, is additionally operable to
Injection-molded item, medical apparatus, drug and packaging material for food, blowing hollow molding product etc..
Wherein, monoglyceride model D-95, by Guangzhou, good man of great strength Food Co., Ltd produces；Monoglyceride also known as dihydroxy third
Base octadecane acid esters is carried out esterification by C16-C18 long chain fatty acids and glycerine and is made, makees to moisten in hybrid process
Lubrication prescription and antistatic agent can be used as the uses such as antifoaming agent, dispersant, thickener, wetting agent in other respects.
Wherein, it is a kind of thermoplastic resin of prepared by MPP Weidas are beautiful, and polypropylene is by propylene polymerization that modified polypropene, which is selected,
Fat, polypropylene are the highly crystalline polymer of nontoxic, odorless, tasteless milky, and density only has 0.90-- " 0.91g/cm3 to be
Most light one of kind in current all plastics.It is particularly stable to water, and water absorption rate in water is only 0.01%, and molecular weight is about
80000 one 15 ten thousand.Good moldability, but because shrinking percentage is big (for 1%~2.5%), product surface good luster；MPP (modified polypropene)
Calcium carbonate filled to be modified, modified MPP (modified polypropene) has good impact resistance, while improving printing
Energy.
Wherein, stearic acid, English name：STEARIC ACID.Hard fat that is mainly driven, being obtained in vegetable fat
Acid, main component are stearic acid (C18H36O2) and palmitic acid (C16H32O2).Sterling is with the soft small pieces of glossiness white.
Stearic acid is widely used in the manufacture of PVC plastic pipe, plank, proximate matter, film.It is PVC heat stabilizer, there is lubrication well
Property and preferable light, heat stabilization.In plastic pvc pipe, stearic acid helps to prevent " coking " in process,
Addition is a kind of effective heat stabilizer in PVC film processing, while can defend to be placed in finished product caused in sulfide cruelly
Film changes colour.Stearic acid is present in the form of glyceride in animal tallow, oil and some vegetable oil, these oil are through hydrolysis
Obtain stearic acid.
Wherein, talcum powder, white or off-white color, fine, without grittiness powder, hand touches with greasy feeling, odorless, tasteless.It is sliding
The main component of mountain flour is talcum, and after crushed, with HCl treatment, washing, drying forms.It is in water, dilute mine acid or dilute hydrogen-oxygen
It is insoluble in choline solution, it can make medicinal.Talcum powder can be divided into chemical grade talcum powder, ceramic-grade talc by purposes and rank
Powder, cosmetic-grade talc powder, medicine, food grade talc powder etc..
Fire retardant is one kind in antimony oxide or decabromodiphenylethane；
Wherein, antimony oxide (chemical formula：Sb2O3) it is a kind of inorganic compound.Natural products claims antimony bloom, is commonly called as antimony
In vain, white crystalline powder.655 DEG C of fusing point.1550 DEG C of boiling point.It is dissolved in sodium hydroxide solution, hot tartaric acid solution, hydrogen tartrate
Salting liquid and sodium sulfide solution are slightly soluble in 370 ± 37 μ g/L of water, dust technology and dilute sulfuric acid.
Wherein, decabromodiphenylethane is a kind of extensive wide spectrum additive flame retardant of use scope, and bromine content is high, and heat is steady
Qualitative good, anti-ultraviolet property is good, exudative low compared with other bromide fire retardants；In addition, decabromodiphenylethane is to open in recent years
A kind of novel, wide spectrum for producing, efficiently, the additive flame retardant of environmental protection, heat resistance, light resistance and be not easy leaching etc. special
Point is better than deca-BDE, and the two anti-flammability is almost the same, but it is fire-retardant when not will produce more bromines two that fears are entertained that and peck English and ask
Topic, toxicity are lower than deca-BDE.
In the present invention, 10%~30% is added for the ground cushion for having ventilative cushioning buffer effect in the prior art
U.S.A of MPP Weidas enables to ground cushion itself to have better intensity, and using density higher, elasticity is more preferable, and in use also
With the characteristics such as wear-resisting.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
1. a kind of EPE ground cushions of high density high elastic and strength, it is characterised in that：Including being made of following components by weight percent proportioning：
30-80 parts of low density polyethylene (LDPE)；
10-40 parts of modified polypropene；
3-10 parts of silane coupling agent：
0.5-3 parts of butane foaming agent；
2-4 parts of monoglyceride；
1-3 parts of stearic acid；
1-5 parts of fire retardant；
1-5 parts of talcum powder.
2. a kind of EPE ground cushions of high density high elastic and strength according to claim 1, it is characterised in that：Including by with
Lower components by weight percent proportioning composition：
50 parts of low density polyethylene (LDPE)；
30 parts of modified polypropene；
8 parts of silane coupling agent：
2 parts of butane foaming agent；
3 parts of monoglyceride；
2 parts of stearic acid；
3 parts of fire retardant；
2 parts of talcum powder.
3. a kind of EPE ground cushions of high density high elastic and strength according to claim 1, it is characterised in that：Including by with
Lower components by weight percent proportioning composition：
60 parts of low density polyethylene (LDPE)；
20 parts of modified polypropene；
7 parts of silane coupling agent；
3 parts of butane foaming agent；
3 parts of monoglyceride；
2 parts of stearic acid；
3 parts of fire retardant；
2 parts of talcum powder.
4. a kind of EPE ground cushions of high density high elastic and strength according to claim 1, it is characterised in that：It is described fire-retardant
Agent is one kind in antimony oxide or decabromodiphenylethane.
5. a kind of EPE ground cushions of high density high elastic and strength according to claim 1, it is characterised in that：The modification
It is that MPP Weidas are beautiful that polypropylene, which is selected,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421018.7A CN108641157A (en) | 2018-05-04 | 2018-05-04 | A kind of EPE ground cushions of high density high elastic and strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421018.7A CN108641157A (en) | 2018-05-04 | 2018-05-04 | A kind of EPE ground cushions of high density high elastic and strength |
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| CN114292459A (en) * | 2022-01-17 | 2022-04-08 | 广东泓硕新材料科技有限公司 | High-density degradable pearl cotton and production process thereof |
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| CN110606975A (en) * | 2019-08-22 | 2019-12-24 | 中国科学院青岛生物能源与过程研究所 | Method for preparing high-strength anti-retraction microcellular polyethylene (EPE) foam beads |
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Application publication date: 20181012 |