CN109280262A - Maleic anhydride is grafted LDPE and its preparation method and application - Google Patents
Maleic anhydride is grafted LDPE and its preparation method and application Download PDFInfo
- Publication number
- CN109280262A CN109280262A CN201811130747.3A CN201811130747A CN109280262A CN 109280262 A CN109280262 A CN 109280262A CN 201811130747 A CN201811130747 A CN 201811130747A CN 109280262 A CN109280262 A CN 109280262A
- Authority
- CN
- China
- Prior art keywords
- maleic anhydride
- ldpe
- lubricant
- eva
- antioxidant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
-
- 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
- C08J9/0014—Use of organic additives
- C08J9/0038—Use of organic additives containing phosphorus
-
- 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
- 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
- C08J2423/08—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
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a kind of maleic anhydride grafting LDPE and its preparation method and application.Maleic anhydride is grafted LDPE, and by weight percentage, raw material includes: LDPE:90-95phr, maleic anhydride 1-5phr, peroxide cross-linking agent 0.5-1.0phr, antioxidant 0.2-1phr, lubricant 0.5-2phr.It is applied to maleic anhydride provided by the invention grafting LDPE as modifying agent in EVA foaming, facts have proved has better filling capacity by the EVA foamed material for adding modifying agent, the additive amount of leftover pieces obviously increases, and the intensity and toughness of foamed material are greatly improved.
Description
Technical field
The present invention relates to EVA moulded from foam more particularly to a kind of maleic anhydride grafting LDPE and its preparation method and application.
Background technique
Foamed material, the substance that bubble makes the foaming of porous mass can be generated in substance internal gasifier by referring to, such as
Manufacture foamed plastics, foam rubber, foamed resin etc..EVA (Ethylene Vinyl Acetate) is by ethylene and acetic acid second
Enester is copolymerized and is made, and is a kind of thermoplastic, elastomer.Have many advantages, such as that density is low, load can be absorbed and other elasticity
Body, which is compared, has excellent elasticity, flexibility, stress cracking resistance, good plasticity and machinability.EVA foamed material tool
Have excellent chemical property, be widely used in manufacture footwear material, luggage liner, toy material, sports goods material, building materials, with
And all kinds of emerging application such as electronic components and automobile interior decoration etc..
EVA foamed material industry competition at present is fierce, and the filling of EVA leftover pieces is limited, along with the object of EVA foamed material
Rationality can not be satisfied with the requirement of some high performance materials.
Summary of the invention
To solve the problems of the prior art, the present invention provides a kind of maleic anhydride grafting LDPE and preparation method thereof and
Using, improve EVA foaming fillibility.
Technical solution:
A kind of maleic anhydride grafting LDPE, by weight percentage, raw material includes:
LDPE:90-95phr, maleic anhydride 1-5phr, peroxide cross-linking agent 0.5-1.0phr inhibit crosslinking agent 0.1-
1phr, antioxidant 0.2-1phr, lubricant 0.5-2phr.
Wherein, the peroxide cross-linking agent is dual-tert-butyl peroxy isopropyl base benzene or cumyl peroxide；Cause
The generation of free radical in the strand of LDPE.
The antioxidant is irgasfos 168, antioxidant 1010, one of antioxidant 1076 or a variety of；Its effect is
Prevent the reaction of maleic anhydride under hot conditions.
The lubricant is polyethylene wax, and ester lubricant, one of microcrystalline wax or a variety of, effect is to increase
The lubricity and processing performance of system.
The inhibition crosslinking agent is diphenylamines or triethylamine, prevents from being excessively crosslinked.
The present invention also provides the preparation methods of maleic anhydride grafting LDPE, comprising: by maleic anhydride, peroxidating
Object crosslinking agent after inhibiting crosslinking agent, antioxidant, lubricant to mix, is ultrasonically treated while double screw extruder squeezes out,
Control ultrasonic power is 200-600W, obtains maleic anhydride grafting LDPE.
The present invention also provides maleic anhydride grafting LDPE to prepare the application in EVA foamed material.
A kind of EVA foamed material, by weight percentage, raw material includes:
EVA:20-60phr, maleic anhydride are grafted LDPE:10-30phr, foaming agent: 1-5phr, crosslinking agent: 0.5-
1.5phr, lubricant: 1.0-3.0phr, zinc oxide: the leftover pieces 20-40phr of 1-5phr, EVA foamed material.
Wherein, the foaming agent are as follows: azodicarbonamide；The crosslinking agent are as follows: dual-tert-butyl peroxy isopropyl base benzene
Or cumyl peroxide；The lubricant are as follows: stearic acid or other ester lubricants.
The present invention also provides the preparation methods of the EVA foamed material, comprising:
1) weighing: according to the proportion weighing of formula；
2) mixing: leftover pieces, lubricant and the zinc oxide of EVA, maleic anhydride grafting LDPE, EVA foamed material are poured into
It in mixer, is not pressed into the case where weight after mixing evenly, then be kneaded, adds hair when all material softening is agglomerating
Infusion and crosslinking agent after being thoroughly mixed, are then exhausted from material；
3) mixer discharge material mill: is sent into open mill mill；
4) slice: the material after mill is sent into slice machining, obtains cooling after tablet；
5) sulfur foam: tablet is sent into vulcanizing press and carries out sulfur foam processing；
6) cooling and standings: the sheet material vulcanizated is placed and is cooled down.
Wherein, when mixing, the control of the water temperature of mixer is in 40~70 DEG C, 0.7~0.9MPa of compressed air pressure, material temperature
At 105~115 DEG C；When mill, 80~90 DEG C of roll temperature before open mill, are mended by 70~80 DEG C, 0.3~0.7mm of roll spacing of rear roll temperature
Refining 3~5 times；When slice, coolant water temperature≤35 DEG C；When sulfur foam, 0.7~0.75MPa of steam pressure.
The utility model has the advantages that
The present invention select LDPE as grafting main material, it is preferably compatible with EVA material, be relatively beneficial to foam.Use Malaysia
Acid anhydrides grafting LDPE is added in EVA formula, because maleic anhydride is a kind of unsaturated organic acid acid anhydride, LDPE and EVA mixing are drawn
After hair crosslinking, EVA foaming system also just has unsaturated organic acid acid anhydride, can leftover pieces preferably in capture system, thus
Filling capacity dramatically increases.
Adding modifying agent-maleic anhydride grafting LDPE EVA foamed material has better filling capacity, and leftover pieces add
Dosage obviously increases, and increases to still with good performance when 40%.
The LDPE of maleic anhydride grafting can be good at being compatible in EVA foaming system, and pass through addition 10-30%'s
After maleic anhydride is grafted LDPE, the physical property performance of EVA foaming improves very big raising, wherein tensile strength and elongation at break
15-25% is improved, rebound degree improves 15-20%, and compressed shape gets higher 20-30%.
Specific embodiment
Combined with specific embodiments below, the present invention is furture elucidated.
Examples 1 to 3
1, the preparation of maleic anhydride grafting LDPE:
1) be formulated: the manufacturing method of maleic anhydride grafting LDPE a kind of comprising the chemistry of following percent by weight at
Point: LDPE (low density polyethylene (LDPE)): 90-95phr, maleic anhydride 1-5phr, peroxide cross-linking agent 0.5-1.0phr inhibit to hand over
Join agent 0.1-1phr, antioxidant 0.2-1phr, lubricant 0.5-2phr.
Wherein, LDPE is the trade mark N150 of oil of SPC production.
Peroxide cross-linking agent is any one of dual-tert-butyl peroxy isopropyl base benzene or cumyl peroxide, this reality
Apply example it is specifically used be cumyl peroxide.
Antioxidant is irgasfos 168, and antioxidant 1010, one of antioxidant 1076 or a variety of, the present embodiment specifically makes
It is antioxidant 1010；
Lubricant is polyethylene wax, ester lubricant, and one of microcrystalline wax or a variety of is specifically used in the present embodiment
Be stearic acid；
Inhibit crosslinking agent be diphenylamines or triethylamine, the present embodiment it is specifically used be triethylamine.
2) processing step
Maleic anhydride grafting LDPE's the preparation method comprises the following steps: by LDPE from the main spout of double screw extruder be added, by horse
Carry out acid anhydrides, peroxide cross-linking agent, inhibit crosslinking agent, antioxidant, lubricant after high speed machine mixes, adds from the first side spout
Enter, ultrasound generating devices be installed in the conversion zone of double screw extruder, in reactive extrursion, extrusion temperature is 200 degree, extrusion it is same
Shi Jinhang ultrasonic treatment, control ultrasonic power are 200~600W, obtain maleic anhydride grafting LDPE (being referred to as modifying agent below).
2, maleic anhydride grafting LDPE foams for EVA
1) it is formulated, by weight percentage, comprising: EVA:20-60phr, maleic anhydride are grafted LDPE:10-30phr, hair
Infusion: 1-5phr, crosslinking agent: 0.5-1.5phr, lubricant: 1.0-3.0phr, zinc oxide: 1-5phr, leftover pieces 20-40phr.
Specific proportion is referring to table 1.
Wherein, maleic anhydride grafting LDPE is prepared using the above method, the change including following weight percent proportion
Study point: LDPE (low density polyethylene (LDPE)): 93phr, maleic anhydride 4phr, peroxide cross-linking agent 0.8phr inhibit crosslinking agent
0.5phr, antioxidant 0.8phr, lubricant 0.9phr
EVA is the trade mark 18J3 of Yanshan Petrochemical production, acetic acid content 18%.
Foaming agent are as follows: azodicarbonamide.
Crosslinking agent are as follows: cumyl peroxide.
Lubricant are as follows: stearic acid.
Zinc oxide is indirect process zinc oxide, zinc content 99.7%.
Leftover pieces are the leftover pieces of the EVA foamed material of recycling.
2) processing step and condition:
1) weighing: according to the proportion of formula, the weight of each material is accurately weighed up with electronic balance, error is in 1g or less.
2) mixing: the EVA prepared, modifying agent, leftover pieces, lubricant and zinc oxide are poured into mixer, are not pressed into weight
In the case where hammer after mixing evenly, it then is kneaded, the water temperature of mixer is controlled in 70 DEG C or less (40~70 DEG C), compressed air
0.7~0.9MPa of pressure when material temperature is 105~115 DEG C, adds foaming agent and crosslinking agent when all material softening is agglomerating.
After being thoroughly mixed, it is then exhausted from material.
3) mixer discharge material mill: is sent into open mill mill, 80~90 DEG C of preceding roll temperature, rear roll temperature 70~80
DEG C, 0.3~0.7mm of roll spacing mends refining 3~5 times；
4) slice: sending the material after mill into slice machining, obtains cooling, coolant water temperature≤35 DEG C after tablet.
5) sulfur foam
Tablet is sent into vulcanizing press and carries out sulfur foam processing, 0.7~0.75MPa of steam pressure, mould specification is
600mm*1200mm*7mm, vulcanization time are 12 minutes.
6) cooling and standings
The sheet material vulcanizated is placed 48 hours cooling.
7) physical property is tested.Test method is referring to GB/T6344-2008, GB/T 6342, HG/T 2489-2007, GB/
T6670-2008, GB/T6669-2008.
Table 1
Table 2
Shown by the experimental data of embodiment and reference example: the EVA foaming system side of addition maleic anhydride grafting LDPE
The filling capacity of material significantly improves.It can be good at being compatible in EVA foaming system by the LDPE that maleic anhydride is grafted, and
After maleic anhydride by adding 10-30% is grafted LDPE, the physical property performance of EVA foaming improves very big raising, wherein drawing
It stretches intensity and elongation at break improves 15-25%, rebound degree improves 15-20%, and compressed shape gets higher 20-30%.
Claims (9)
1. a kind of maleic anhydride is grafted LDPE, which is characterized in that by weight percentage, raw material includes:
LDPE:90-95phr, maleic anhydride 1-5phr, peroxide cross-linking agent 0.5-1.0phr inhibit crosslinking agent 0.1-1phr,
Antioxidant 0.2-1phr, lubricant 0.5-2phr.
2. maleic anhydride according to claim 1 is grafted LDPE, which is characterized in that the peroxide cross-linking agent is double
Tert-butylperoxyiso-propyl benzene or cumyl peroxide；The antioxidant is irgasfos 168, antioxidant 1010, antioxidant
One of 1076 or a variety of；The lubricant is polyethylene wax, ester lubricant, one of microcrystalline wax or a variety of；
The inhibition crosslinking agent is diphenylamines or triethylamine.
3. the preparation method of maleic anhydride grafting LDPE according to claim 1 or 2 characterized by comprising by Malaysia
Acid anhydrides, peroxide cross-linking agent, inhibit crosslinking agent, antioxidant, lubricant mix after, double screw extruder squeeze out while into
Row ultrasonic treatment, control ultrasonic power are 200-600W, obtain maleic anhydride grafting LDPE.
4. the preparation method of maleic anhydride grafting LDPE according to claim 3, which is characterized in that extrusion temperature 200-
220℃。
5. maleic anhydride grafting LDPE according to claim 1 or 2 is preparing the application in EVA foamed material.
6. a kind of EVA foamed material, which is characterized in that by weight percentage, raw material includes:
EVA:20-60phr, maleic anhydride of any of claims 1 or 2 are grafted LDPE:10-30phr, foaming agent, and: 1-5phr is handed over
Join agent: 0.5-1.5phr, lubricant: 1.0-3.0phr, zinc oxide: the leftover pieces 20-40phr of 1-5phr, EVA foamed material.
7. EVA foamed material according to claim 6, which is characterized in that the foaming agent are as follows: azodicarbonamide；
The crosslinking agent are as follows: dual-tert-butyl peroxy isopropyl base benzene or cumyl peroxide；The lubricant are as follows: stearic acid or its
His ester lubricant.
8. the preparation method of EVA foamed material according to claim 6 or 7 characterized by comprising
1) weighing: according to the proportion weighing of formula；
2) leftover pieces, lubricant and the zinc oxide of EVA, maleic anhydride grafting LDPE, EVA foamed material mixing: are poured into mixing
It in machine, is not pressed into the case where weight after mixing evenly, then be kneaded, adds foaming agent when all material softening is agglomerating
And crosslinking agent, after being thoroughly mixed, it is then exhausted from material；
3) mixer discharge material mill: is sent into open mill mill；
4) slice: the material after mill is sent into slice machining, obtains cooling after tablet；
5) sulfur foam: tablet is sent into vulcanizing press and carries out sulfur foam processing；
6) cooling and standings: the sheet material vulcanizated is placed and is cooled down.
9. the preparation method of EVA foamed material according to claim 8, which is characterized in that when mixing, the water temperature of mixer
Control is at 40~70 DEG C, 0.7~0.9MPa of compressed air pressure, when material temperature is 105~115 DEG C；When mill, roller temperature before open mill
80~90 DEG C of degree, mends refining 3~5 times by 70~80 DEG C, 0.3~0.7mm of roll spacing of rear roll temperature；When slice, coolant water temperature≤35 DEG C；
When sulfur foam, 0.7~0.75MPa of steam pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130747.3A CN109280262A (en) | 2018-09-27 | 2018-09-27 | Maleic anhydride is grafted LDPE and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130747.3A CN109280262A (en) | 2018-09-27 | 2018-09-27 | Maleic anhydride is grafted LDPE and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109280262A true CN109280262A (en) | 2019-01-29 |
Family
ID=65182425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811130747.3A Pending CN109280262A (en) | 2018-09-27 | 2018-09-27 | Maleic anhydride is grafted LDPE and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109280262A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114213745A (en) * | 2022-01-19 | 2022-03-22 | 安徽佳宾新材料科技有限公司 | EVA (ethylene-vinyl acetate) foaming material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081689A (en) * | 1992-05-29 | 1994-02-09 | 希蒙特公司 | Be applicable to the masterbatch of preparation functionalized polyolefin and use the functionalized processing method of described masterbatch |
| CN1316459A (en) * | 2001-05-15 | 2001-10-10 | 南开大学 | Modified polyolefine elastomer and its preparing process |
| CN102532771A (en) * | 2010-12-23 | 2012-07-04 | 上海日之升新技术发展有限公司 | Environment-friendly polyethylene compatilizer and preparation method thereof |
| CN104231419A (en) * | 2014-10-16 | 2014-12-24 | 中国皮革和制鞋工业研究院 | High shock-absorbing ethylene-vinyl acetate rubber foam material for shoes and preparation method of material |
-
2018
- 2018-09-27 CN CN201811130747.3A patent/CN109280262A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081689A (en) * | 1992-05-29 | 1994-02-09 | 希蒙特公司 | Be applicable to the masterbatch of preparation functionalized polyolefin and use the functionalized processing method of described masterbatch |
| CN1316459A (en) * | 2001-05-15 | 2001-10-10 | 南开大学 | Modified polyolefine elastomer and its preparing process |
| CN102532771A (en) * | 2010-12-23 | 2012-07-04 | 上海日之升新技术发展有限公司 | Environment-friendly polyethylene compatilizer and preparation method thereof |
| CN104231419A (en) * | 2014-10-16 | 2014-12-24 | 中国皮革和制鞋工业研究院 | High shock-absorbing ethylene-vinyl acetate rubber foam material for shoes and preparation method of material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114213745A (en) * | 2022-01-19 | 2022-03-22 | 安徽佳宾新材料科技有限公司 | EVA (ethylene-vinyl acetate) foaming material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100437328B1 (en) | Olefin-based plastic elastomer foam and method for producing the same | |
| CN103374149B (en) | The resol curing rubber compositionss of activation | |
| CN101724172B (en) | Industrial production method for ethylene propylene diene rubber molded sealed cell sponge rubber | |
| CN1997693A (en) | Polyolefin foam material and its application | |
| NO842886L (en) | PUMPABLE POLYMER MIXTURE | |
| CN107082943A (en) | A kind of acrylonitrile butadiene rubber modified EVA expanded materials and its manufacture method | |
| CN102660080A (en) | Foamable rubber composition | |
| US4140732A (en) | Thermoplastic rubber compositions comprising polyolefin and sequential E/P or EPDM | |
| CN102260392A (en) | Low-precipitation thermoplastic elastomer and preparation method thereof | |
| CN107841020B (en) | Crosslinked polyethylene foam material and preparation method thereof | |
| CN106928537A (en) | A kind of high-strength polyethylene foam board and preparation method | |
| CN105873996B (en) | Curable polymer composition | |
| CN108164914A (en) | A kind of fretting map injection ABS composite material and preparation method thereof | |
| CN108976583A (en) | A kind of footwear material ultralight foam composite material and preparation method thereof | |
| CN104672613A (en) | High-temperature-resistant thermoplastic elastomer material and preparation method thereof | |
| CN106147036A (en) | The expanded material of a kind of recyclable recycling and manufacture method thereof | |
| CN111138767B (en) | Weighted and hardened open-cell EPDM rubber blending molding repeated high-rate foaming backing plate and preparation method thereof | |
| CN110028726A (en) | A kind of gross porosity EVA moulded from foam material and preparation method thereof | |
| CN102352070A (en) | Cross-linking agent masterbatch used in dynamic sulfidation preparation of thermoplastic rubber and its prepared thermoplastic rubber | |
| CN109280262A (en) | Maleic anhydride is grafted LDPE and its preparation method and application | |
| CN112795080B (en) | EVA/LDPE supercritical solid foaming material and preparation method thereof | |
| CN107200946B (en) | Chlorosulfonated polyethylene microporous foam material and preparation method thereof | |
| CN108485052A (en) | A kind of EVA foams and preparation method | |
| CN102311575A (en) | PP foaming composite additive | |
| CN105778401B (en) | Polyoxymethylene foam compositions, method of making and structural foam materials including the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190129 |
|
| RJ01 | Rejection of invention patent application after publication |