CN107163366A - A kind of preparation method of heat-resisting EVA packaging materials - Google Patents
A kind of preparation method of heat-resisting EVA packaging materials Download PDFInfo
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- CN107163366A CN107163366A CN201710471421.6A CN201710471421A CN107163366A CN 107163366 A CN107163366 A CN 107163366A CN 201710471421 A CN201710471421 A CN 201710471421A CN 107163366 A CN107163366 A CN 107163366A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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)
- Compositions Of Macromolecular Compounds (AREA)
- Wrappers (AREA)
Abstract
The invention discloses a kind of preparation method of heat-resisting EVA packaging materials, EVA, polyvinylidene fluoride, nano silicon, acetoacetic acid allyl ester and disulfide group 2-ethyl hexyl ethanoate stannous methide are added into pelletizing after melting extrusion in double screw extruder, cooling to split, obtain pellet, it is added in 50 60 DEG C of homogenizers and mixes 10 minutes with remaining raw material again, then 150 170 DEG C of fusion plastifications, 200 220 DEG C of mouth mold shapings, inflation, corona, windings are sequentially passed through on film blowing device, you can.The present invention causes the present invention to prepare EVA packaging materials and have good heat resistance by nano-material modified, and original mechanical property is not reduced, good combination property, and preparation method is simple, with good application value.
Description
Technical field
The invention belongs to polymeric material field, it is related to a kind of preparation method of heat-resisting EVA packaging materials.
Technical background
Plastic flexible packaging material, is generally referred to by plastics(Or plastic composite)Composition, soft texture, Ke Yitong
Cross the material that the modes such as bag, parcel are packed to commodity.In Soft Roll charging using it is most be various plastic sheetings and its
Membranaceous composite, fabric based packaging material etc..The extensive use of flexible packing material is the enterprises and institutions' list for being engaged in flexible package industry
Position provides extremely wide activity space, is also achieved higher than other plastics while excellent service is provided for users
The good benefit of processing and forming industry.Developed rapidly, prospect is very bright.Because the kind of flexible packing material is numerous
Many, performance span is very big, from performance it is similar, close to entirely different product have industrialized production.Flexible packing material is
Membranoid substance, thickness is fairly small, normally only 0.04um or so, every square metre quality only 0.025kg or so, therefore uses flexible package
Material commodity can significantly economize on resources consuming compared with other packaging materials.Not only consumption of raw material is small for plastic flexible packaging material,
And there is the comprehensive advantages such as easy to process, energy charge is low, shaping efficiency is high, thus have the advantages that cheap.Due to
Flexible packing material have the advantages that it is numerous, wherein the particularly pertinent reasonable combination that can be by various materials designs and manufactures
Desired, more satisfactory specific packaging material, thus with splendid cost performance, show the powerful market competitiveness
The extensive concern of people and the favor of user have been obtained, have developed rapidly, its application covers food, medicine, light industry, weaving, day
With all spectra of the almost industrial and agricultural production such as small item, it has also become one of most important kind in plastic package material.
Different plastics can be not only used in flexible package plastics, using different formulations, pass through different process manufacturing property
Different various single thin films, but also can obtain hundreds of different by the various combination between multiple material
Kind, meets a variety of needs.The characteristics of using different flexible packing material different properties, can by the reasonable selection of kind
The demand of numerous commodity packagings can be met.Eva film is also known as environment-friendlythin thin film, is produced by EVA raw materials by being cast extrusion
Film, is a kind of new generation of green environment-friendly degradable material, and with biodegradable, environment will not be caused during discarded or burning
Injury, light specific gravity density is tasteless 0.93 or so, and without heavy metal, without phthalate, high transparency is soft and tough and tensile,
It is superpower low temperature resistant(- 70 degree), water resistant, salt and other materials, the characteristic such as high hot paste.But to there is heat resistance poor for eva film
Shortcoming.Therefore, we set about from the formula and technique of product, new high performance material is developed, a kind of heat-resisting EVA packagings are researched and developed
The new technology of material is the task of top priority of whole industry.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of preparation method of heat-resisting EVA packaging materials.
The purpose of the present invention is achieved through the following technical solutions:A kind of preparation method of heat-resisting EVA packaging materials,
Comprise the following steps:66-75 parts of EVA, 8-12 parts of polyvinylidene fluoride are first weighed by weight, 15-22 parts of coumarone indene resin, do not had
5-15 parts of propyl galate, 7-9 parts of nano imvite, 8-20 parts of cellulose diacetate, three (2,4- di-tert-butyl-phenyls) phosphorous
5-8 parts of acid esters, 3-5 parts of carbonyl diamide, 5-9 parts of nano silicon, 4-8 parts of acetoacetic acid allyl ester, disulfide group acetic acid are different pungent
12-14 parts of 5-10 parts of ester stannous methide, 3-5 parts of ammonium hydrogen carbonate and bentonite;By EVA, polyvinylidene fluoride, nanometer titanium dioxide
Silicon, acetoacetic acid allyl ester and disulfide group 2-ethyl hexyl ethanoate stannous methide add melting extrusion in double screw extruder, after cooling
Pelletizing is split, and obtains pellet, wherein, the condition of twin (double) screw extruder is that screw speed is that 20-100 turns/min, and draw ratio is 30-
50:1, extruding silicon carbide is:First interval is 160-180 DEG C, and second interval is 185-195 DEG C, and 3rd interval is 210-225
℃;It is added in 50-60 DEG C of homogenizer and mixes 10 minutes with remaining raw material again, is then sequentially passed through on film blowing device
150-170 DEG C of fusion plastification, 200-220 DEG C of mouth mold shaping, inflation, corona, winding, you can.
EVA70 parts are weighed by weight, 10 parts of polyvinylidene fluoride, 18 parts of coumarone indene resin, 10 parts of propylgallate, received
8 parts of montmorillonite of rice, 14 parts of cellulose diacetate, three 7 parts of (2,4- di-tert-butyl-phenyls) phosphite esters, 4 parts of carbonyl diamide, receive
7 parts of silica of rice, 6 parts of acetoacetic acid allyl ester, 7 parts of disulfide group 2-ethyl hexyl ethanoate stannous methide, 4 parts of ammonium hydrogen carbonate and swollen
13 parts of profit soil.
Weigh by weight 75 parts of EVA, 12 parts of polyvinylidene fluoride, 22 parts of coumarone indene resin, 15 parts of propylgallate,
9 parts of nano imvite, 20 parts of cellulose diacetate, three 8 parts of (2,4- di-tert-butyl-phenyls) phosphite esters, 5 parts of carbonyl diamide,
9 parts of nano silicon, 8 parts of acetoacetic acid allyl ester, 10 parts of disulfide group 2-ethyl hexyl ethanoate stannous methide, 5 parts of ammonium hydrogen carbonate and
14 parts of bentonite.
66 parts of EVA, 8 parts of polyvinylidene fluoride are weighed by weight, 15 parts of coumarone indene resin, 5 parts of propylgallate, received
7 parts of montmorillonite of rice, 8 parts of cellulose diacetate, three 5 parts of (2,4- di-tert-butyl-phenyls) phosphite esters, carbonyl diamide 3 part, nanometer
5 parts of silica, 4 parts of acetoacetic acid allyl ester, 5 parts of disulfide group 2-ethyl hexyl ethanoate stannous methide, 3 parts of ammonium hydrogen carbonate and swelling
12 parts of soil.
The condition of the twin (double) screw extruder is that screw speed is 60 turns/min, and draw ratio is 35:1, extrude silicon carbide
For:First interval is 160-180 DEG C, and second interval is 185-195 DEG C, and 3rd interval is 210-225 DEG C.
The invention has the advantages that:The present invention is by nano-material modified so that preparation EVA packing timbers of the invention
Material has good heat resistance, and original mechanical property is not reduced, good combination property, and preparation method is simple, has
Good application value.
Embodiment
Embodiment 1
A kind of preparation method of heat-resisting EVA packaging materials, comprises the following steps:75 parts of EVA is first weighed by weight, gather inclined difluoro
12 parts of ethene, 22 parts of coumarone indene resin, 15 parts of propylgallate, 9 parts of nano imvite, 20 parts of cellulose diacetate, three (2,
4- di-tert-butyl-phenyls) 8 parts of phosphite ester, 5 parts of carbonyl diamide, 9 parts of nano silicon, 8 parts of acetoacetic acid allyl ester, two
14 parts of 10 parts of isooctylthioglycolate stannous methide, 5 parts of ammonium hydrogen carbonate and bentonite;By EVA, polyvinylidene fluoride, nanometer two
Silica, acetoacetic acid allyl ester and disulfide group 2-ethyl hexyl ethanoate stannous methide add melting extrusion in double screw extruder, cold
But pelletizing is split after, obtains pellet, wherein, the condition of twin (double) screw extruder is that screw speed is 100 turns/min, and draw ratio is
50:1, extruding silicon carbide is:First interval is 160-180 DEG C, and second interval is 185-195 DEG C, and 3rd interval is 210-225
℃;It is added in 60 DEG C of homogenizers and mixes 10 minutes with remaining raw material again, 170 is then sequentially passed through on film blowing device
DEG C fusion plastification, 220 DEG C of mouth mold shapings, inflation, corona, windings, you can.
Embodiment 2
A kind of preparation method of heat-resisting EVA packaging materials, comprises the following steps:66 parts of EVA is first weighed by weight, gather inclined difluoro
8 parts of ethene, 15 parts of coumarone indene resin, 5 parts of propylgallate, 7 parts of nano imvite, 8 parts of cellulose diacetate, three (2,4-
Di-tert-butyl-phenyl) 5 parts of phosphite ester, 3 parts of carbonyl diamide, 5 parts of nano silicon, 4 parts of acetoacetic acid allyl ester, two sulphur
12 parts of 5 parts of the different monooctyl ester stannous methide of guanidine-acetic acid, 3 parts of ammonium hydrogen carbonate and bentonite;By EVA, polyvinylidene fluoride, nano-silica
SiClx, acetoacetic acid allyl ester and disulfide group 2-ethyl hexyl ethanoate stannous methide add melting extrusion in double screw extruder, cooling
Pelletizing is split afterwards, obtains pellet, wherein, the condition of twin (double) screw extruder is that screw speed is 20 turns/min, and draw ratio is 30:1,
Extruding silicon carbide is:First interval is 160-180 DEG C, and second interval is 185-195 DEG C, and 3rd interval is 210-225 DEG C;Again
It is added in 50 DEG C of homogenizers and mixes 10 minutes with remaining raw material, 150 DEG C is then sequentially passed through on film blowing device and is melted
Melt plasticizing, 200 DEG C of mouth mold shapings, inflation, corona, windings, you can.
Embodiment 3
A kind of preparation method of heat-resisting EVA packaging materials, comprises the following steps:EVA70 parts are first weighed by weight, gather inclined difluoro second
10 parts of alkene, 18 parts of coumarone indene resin, 10 parts of propylgallate, 8 parts of nano imvite, 14 parts of cellulose diacetate, three (2,4-
Di-tert-butyl-phenyl) 7 parts of phosphite ester, 4 parts of carbonyl diamide, 7 parts of nano silicon, 6 parts of acetoacetic acid allyl ester, two sulphur
13 parts of 7 parts of the different monooctyl ester stannous methide of guanidine-acetic acid, 4 parts of ammonium hydrogen carbonate and bentonite;By EVA, polyvinylidene fluoride, nano-silica
SiClx, acetoacetic acid allyl ester and disulfide group 2-ethyl hexyl ethanoate stannous methide add melting extrusion in double screw extruder, cooling
Pelletizing is split afterwards, obtains pellet, wherein, the condition of twin (double) screw extruder is that screw speed is 60 turns/min, and draw ratio is 35:1,
Extruding silicon carbide is:First interval is 160-180 DEG C, and second interval is 185-195 DEG C, and 3rd interval is 210-225 DEG C;Again
It is added in 55 DEG C of homogenizers and mixes 10 minutes with remaining raw material, 160 DEG C is then sequentially passed through on film blowing device and is melted
Melt plasticizing, 210 DEG C of mouth mold shapings, inflation, corona, windings, you can.
Claims (5)
1. a kind of preparation method of heat-resisting EVA packaging materials, it is characterised in that the described method comprises the following steps:First claim by weight
66-75 parts of EVA, 8-12 parts of polyvinylidene fluoride, 15-22 parts of coumarone indene resin, 5-15 parts of propylgallate, nanometer is taken to cover
De- 7-9 parts of soil, 8-20 parts of cellulose diacetate, three 5-8 parts of (2,4- di-tert-butyl-phenyls) phosphite esters, carbonyl diamide 3-5
Part, 5-9 parts of nano silicon, 4-8 parts of acetoacetic acid allyl ester, 5-10 parts of disulfide group 2-ethyl hexyl ethanoate stannous methide, carbonic acid
12-14 parts of 3-5 parts of hydrogen ammonium and bentonite;By EVA, polyvinylidene fluoride, nano silicon, acetoacetic acid allyl ester and two
Isooctylthioglycolate stannous methide adds melting extrusion in double screw extruder, pelletizing fractionation after cooling, obtains pellet, its
In, the condition of twin (double) screw extruder is that screw speed is that 20-100 turns/min, and draw ratio is 30-50:1, extruding silicon carbide is:
First interval is 160-180 DEG C, and second interval is 185-195 DEG C, and 3rd interval is 210-225 DEG C;Add again with remaining raw material
Enter into 50-60 DEG C of homogenizer mixing 10 minutes, then sequentially passed through on film blowing device 150-170 DEG C of fusion plastification,
200-220 DEG C of mouth mold shaping, inflation, corona, winding, you can.
2. a kind of preparation method of heat-resisting EVA packaging materials according to claim 1, it is characterised in that:Weigh by weight
EVA70 parts, 10 parts of polyvinylidene fluoride, 18 parts of coumarone indene resin, 10 parts of propylgallate, 8 parts of nano imvite, two acetic acid
14 parts of cellulose, three 7 parts of (2,4- di-tert-butyl-phenyls) phosphite esters, 4 parts of carbonyl diamide, 7 parts of nano silicon, acetyl
13 parts of 6 parts of allyl acetate, 7 parts of disulfide group 2-ethyl hexyl ethanoate stannous methide, 4 parts of ammonium hydrogen carbonate and bentonite.
3. a kind of preparation method of heat-resisting EVA packaging materials according to claim 1, it is characterised in that:Weigh by weight
75 parts of EVA, 12 parts of polyvinylidene fluoride, 22 parts of coumarone indene resin, 15 parts of propylgallate, 9 parts of nano imvite, two vinegar
20 parts of acid cellulose, three 8 parts of (2,4- di-tert-butyl-phenyls) phosphite esters, 5 parts of carbonyl diamide, 9 parts of nano silicon, second
14 parts of 8 parts of ethyl acetoacetic acid allyl ester, 10 parts of disulfide group 2-ethyl hexyl ethanoate stannous methide, 5 parts of ammonium hydrogen carbonate and bentonite.
4. a kind of preparation method of heat-resisting EVA packaging materials according to claim 1, it is characterised in that:Weigh by weight
66 parts of EVA, 8 parts of polyvinylidene fluoride, 15 parts of coumarone indene resin, 5 parts of propylgallate, 7 parts of nano imvite, two acetic acid
8 parts of cellulose, three 5 parts of (2,4- di-tert-butyl-phenyls) phosphite esters, 3 parts of carbonyl diamide, 5 parts of nano silicon, acetyl second
12 parts of 4 parts of allyl propionate, 5 parts of disulfide group 2-ethyl hexyl ethanoate stannous methide, 3 parts of ammonium hydrogen carbonate and bentonite.
5. a kind of preparation method of heat-resisting EVA packaging materials according to claim 1, it is characterised in that:The twin-screw
The condition of extruder is that screw speed is 60 turns/min, and draw ratio is 35:1, extruding silicon carbide is:First interval is 160-
180 DEG C, second interval is 185-195 DEG C, and 3rd interval is 210-225 DEG C.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111113871A (en) * | 2020-01-13 | 2020-05-08 | 中山市华泽包装有限公司 | Preparation method of EVA vacuum adhesive film with corona treatment process |
Citations (5)
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CN102558656A (en) * | 2010-12-21 | 2012-07-11 | 天津德昊超微新材料有限公司 | Special flame retardant EVA material |
CN103601958A (en) * | 2013-10-16 | 2014-02-26 | 鲁奎 | Polyethylene agricultural film containing bagasse |
CN103819783A (en) * | 2012-11-16 | 2014-05-28 | 无锡市黄盛包装制品有限公司 | Preparation method of freshness-keeping package material capable of strongly replacing gas |
CN105906905A (en) * | 2016-04-29 | 2016-08-31 | 安徽巢湖南方膜业有限责任公司 | Chewing gum packaging paper inner film |
CN106397961A (en) * | 2016-09-07 | 2017-02-15 | 福建惠亿美环保材料科技有限公司 | Antibacterial super transparent EVA film and preparing method thereof |
-
2017
- 2017-06-20 CN CN201710471421.6A patent/CN107163366A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102558656A (en) * | 2010-12-21 | 2012-07-11 | 天津德昊超微新材料有限公司 | Special flame retardant EVA material |
CN103819783A (en) * | 2012-11-16 | 2014-05-28 | 无锡市黄盛包装制品有限公司 | Preparation method of freshness-keeping package material capable of strongly replacing gas |
CN103601958A (en) * | 2013-10-16 | 2014-02-26 | 鲁奎 | Polyethylene agricultural film containing bagasse |
CN105906905A (en) * | 2016-04-29 | 2016-08-31 | 安徽巢湖南方膜业有限责任公司 | Chewing gum packaging paper inner film |
CN106397961A (en) * | 2016-09-07 | 2017-02-15 | 福建惠亿美环保材料科技有限公司 | Antibacterial super transparent EVA film and preparing method thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111113871A (en) * | 2020-01-13 | 2020-05-08 | 中山市华泽包装有限公司 | Preparation method of EVA vacuum adhesive film with corona treatment process |
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Application publication date: 20170915 |