CN106397969A - Modified high polymer material of packaging film and preparation method thereof - Google Patents
Modified high polymer material of packaging film and preparation method thereof Download PDFInfo
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- CN106397969A CN106397969A CN201610781757.8A CN201610781757A CN106397969A CN 106397969 A CN106397969 A CN 106397969A CN 201610781757 A CN201610781757 A CN 201610781757A CN 106397969 A CN106397969 A CN 106397969A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a modified high polymer material of a packaging film. The modified high polymer material of a packaging film consists of the following raw materials by weight: 60-80 parts of polypropylene, 5-15 parts of polyethylene, 2-10 parts of a nano vermiculite modifier, 10-20 parts of polylactic acid, 6-15 parts of polyvinyl alcohol, 0.1-0.3 part of an antioxidant, 0.1-0.5 part of a compatilizer, 1-2 parts of a lubricant, and 0-2 parts of other assistants. Specifically, the preparation method of the nano vermiculite modifier includes: blending vermiculite and an ethylene-vinyl acetate copolymer in a mass ratio of 1:10, adding the mixture to a twin-screw extruder, conducting melt blending at 100-120DEG C and under a rotation speed of 300r/min, thus obtaining the nano vermiculite modifier. According to the invention, the nano vermiculite modifier is mixed with polypropylene, polyethylene, polylactic acid and polyvinyl alcohol to prepare the high polymer material, and the components play a synergistic effect and achieve biodegradability. The high polymer material provided by the invention has good mechanical properties and excellent comprehensive performance, has a flexural modulus up to 1200MPa under 23DEG C, and notched izod impact strength up to 20KJ/m<2>.
Description
Technical field
Polymeric material field of the present invention, specifically a kind of modified polymer material of packaging film and preparation method thereof.
Background technology
Packaging film is mainly formed by several different mixed with resin extrusions, has puncture resistant, super-strength high-performance, to stacking
Goods on supporting plate is wound packing, and makes more firm clean and tidy, the more superpower waterproof action of packing material, is widely used,
Foreign export, papermaking, five metals, plastics chemical industry, building materials, food pharmaceuticals industry.
Development with China's packing business and the raising of world's environmental consciousness, plastics package is increasingly to high resistance, many work(
Energy, environmental protection direction are developed.Acrylic resin (PP) is a kind of broad-spectrum general-purpose plastics, is polymerized system by propylene monomer
, the advantage of acrylic resin is that density is low, low price, and has excellent chemical resistance, preferable mechanicalness
The folding resistance that can, project and good moulding processability.As typical crystalline material, its fusing point is near 165 DEG C.
Polypropylene has good block-water performance, mechanical property and processing characteristics, but its oxygen resistance is poor, limits to a certain extent
Its application.
Vermiculitum is a kind of clay mineral similar to montmorillonite, is the silicate of layer structure.
Content of the invention
It is an object of the invention to provide a kind of modified polymer material of packaging film and preparation method thereof.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of modified polymer material of packaging film is it is characterised in that be made up of the raw material of following weight portion:Polypropylene
60-80 part, polyethylene 5-15 part, nanometer vermiculite modifying agent 2-10 part, polylactic acid 10-20 part, polyvinyl alcohol 6-15 part, antioxidant
0.1-0.3 part, compatilizer 0.1-0.5 part, lubricant 1-2 part, other auxiliary agent 0-2 part;
Wherein, the preparation method of nanometer vermiculite modifying agent is:By Vermiculitum and ethylene-vinyl acetate copolymer mass ratio 1:10
Blending, is added to double screw extruder, melt blending under 100-120 DEG C, rotating speed 300r/min, makes nanometer vermiculite modified
Agent.
Preferably, described polypropylene is more than homopolymerization or the COPP of 20g/10min for melt index;Described polyethylene
For high density polyethylene (HDPE) and Low Density Polyethylene in mass ratio 4:1 mixing.
Preferably, described antioxidant be four [β-(3,5- di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester, three
The double octadecyl of (2,4- di-tert-butyl-phenyl) phosphite ester or thio-2 acid one or more.
Preferably, described lubricant is one of calcium stearate or ethylene Stearyl Amine.
Preferably, described other auxiliary agent comprises toughener, the steady agent of light.
Preferably, described compatilizer maleic anhydride, glycidyl acrylate and polyacrylic graft, percent grafting exists
Between 0.3-1.0%.
Further object is that provide a kind of preparation method of the modified polymer material of packaging film, including with
Lower step:
(1) prepare nanometer vermiculite modifying agent:By Vermiculitum and ethylene-vinyl acetate copolymer mass ratio 1:10 blendings, add
To double screw extruder, melt blending under 100-120 DEG C, rotating speed 300r/min, make nanometer vermiculite modifying agent;
(2) prepare the modified polymer material of packaging film:Weigh polypropylene, polyethylene, nanometer vermiculite modification by weight
Agent, polylactic acid, polyvinyl alcohol, antioxidant, compatilizer, lubricant, other auxiliary agent, put into high-speed mixer and stir, pass through
Extruding pelletization in double screw extruder, obtains the modified polymer material of packaging film.
Preferably, described step (2) each section of extrusion temperature of extruder be respectively 178 DEG C, 182 DEG C, 194 DEG C, 200 DEG C, 205
DEG C, 210 DEG C, extruder screw rotating speed be 285r/min.
Beneficial effects of the present invention:The present invention is by nanometer vermiculite modifying agent and polypropylene, polyethylene, polylactic acid, polyethylene
Alcohol is mixed with macromolecular material, several component synergism, has biodegradability;Macromolecular material of the present invention has good
Good mechanical property and excellent combination property, at 23 DEG C, the bending moduluses of material can reach 1200MPa, cantilever beam breach
Impact strength is up to 20KJ/m2.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail.
Embodiment 1
A kind of modified polymer material of packaging film, is made up of the raw material of following weight portion:60 parts of polypropylene, high density are gathered
12 parts of ethylene, 3 parts of Low Density Polyethylene, 6 parts of nanometer vermiculite modifying agent, 15 parts of polylactic acid, 6 parts of polyvinyl alcohol, antioxidant four [β-
(3,5- di-tert-butyl-hydroxy phenyl) propanoic acid] 0.1 part of pentaerythritol ester, 0.1 part of compatilizer, 1 part of calcium stearate, toughener
0.2 part.
A kind of preparation method of the modified polymer material of packaging film, comprises the following steps:
(1) prepare nanometer vermiculite modifying agent:By Vermiculitum and ethylene-vinyl acetate copolymer mass ratio 1:10 blendings, add
To double screw extruder, melt blending under 100-120 DEG C, rotating speed 300r/min, make nanometer vermiculite modifying agent;
(2) prepare the modified polymer material of packaging film:Weigh polypropylene, polyethylene, nanometer vermiculite modification by weight
Agent, polylactic acid, polyvinyl alcohol, antioxidant, compatilizer, lubricant, other auxiliary agent, put into high-speed mixer and stir, pass through
Extruding pelletization in double screw extruder, each section of extrusion temperature of extruder be respectively 178 DEG C, 182 DEG C, 194 DEG C, 200 DEG C, 205 DEG C,
210 DEG C, extruder screw rotating speed is 285r/min, obtains the modified polymer material of packaging film.
Embodiment 2
A kind of modified polymer material of packaging film, is made up of the raw material of following weight portion:70 parts of polypropylene, high density are gathered
4 parts of ethylene, 1 part of Low Density Polyethylene, 2 parts of nanometer vermiculite modifying agent, 10 parts of polylactic acid, 10 parts of polyvinyl alcohol, antioxidant are thio
Dipropionic acid double 0.2 part of octadecyl, 0.3 part of compatilizer, 1.5 parts of ethylene Stearyl Amine.
A kind of preparation method of the modified polymer material of packaging film, comprises the following steps:
(1) prepare nanometer vermiculite modifying agent:By Vermiculitum and ethylene-vinyl acetate copolymer mass ratio 1:10 blendings, add
To double screw extruder, melt blending under 100-120 DEG C, rotating speed 300r/min, make nanometer vermiculite modifying agent;
(2) prepare the modified polymer material of packaging film:Weigh polypropylene, polyethylene, nanometer vermiculite modification by weight
Agent, polylactic acid, polyvinyl alcohol, antioxidant, compatilizer, lubricant, other auxiliary agent, put into high-speed mixer and stir, pass through
Extruding pelletization in double screw extruder, each section of extrusion temperature of extruder be respectively 178 DEG C, 182 DEG C, 194 DEG C, 200 DEG C, 205 DEG C,
210 DEG C, extruder screw rotating speed is 285r/min, obtains the modified polymer material of packaging film.
Embodiment 3
A kind of modified polymer material of packaging film, is made up of the raw material of following weight portion:80 parts of polypropylene, high density are gathered
8 parts of ethylene, 2 parts of Low Density Polyethylene, 10 parts of nanometer vermiculite modifying agent, 20 parts of polylactic acid, 15 parts of polyvinyl alcohol, antioxidant three
0.3 part of (2,4- di-tert-butyl-phenyl) phosphite ester, 0.5 part of compatilizer, 2 parts of calcium stearate, 1 part of toughener, 1 part of the steady agent of light;
A kind of preparation method of the modified polymer material of packaging film, comprises the following steps:
(1) prepare nanometer vermiculite modifying agent:By Vermiculitum and ethylene-vinyl acetate copolymer mass ratio 1:10 blendings, add
To double screw extruder, melt blending under 100-120 DEG C, rotating speed 300r/min, make nanometer vermiculite modifying agent;
(2) prepare the modified polymer material of packaging film:Weigh polypropylene, polyethylene, nanometer vermiculite modification by weight
Agent, polylactic acid, polyvinyl alcohol, antioxidant, compatilizer, lubricant, other auxiliary agent, put into high-speed mixer and stir, pass through
Extruding pelletization in double screw extruder, each section of extrusion temperature of extruder be respectively 178 DEG C, 182 DEG C, 194 DEG C, 200 DEG C, 205 DEG C,
210 DEG C, extruder screw rotating speed is 285r/min, obtains the modified polymer material of packaging film.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply this
Bright.Person skilled in the art obviously easily can make various modifications to case study on implementation, and described herein one
As principle be applied in other embodiment without through performing creative labour.Therefore, the invention is not restricted to enforcement case here
Example, according to the announcement of the present invention, the improvement made without departing from scope and modification all should be for those skilled in the art
Within protection scope of the present invention.
Claims (8)
1. a kind of modified polymer material of packaging film is it is characterised in that be made up of the raw material of following weight portion:Polypropylene 60-
80 parts, polyethylene 5-15 part, nanometer vermiculite modifying agent 2-10 part, polylactic acid 10-20 part, polyvinyl alcohol 6-15 part, antioxidant
0.1-0.3 part, compatilizer 0.1-0.5 part, lubricant 1-2 part, other auxiliary agent 0-2 part;
Wherein, the preparation method of nanometer vermiculite modifying agent is:By Vermiculitum and ethylene-vinyl acetate copolymer mass ratio 1:10 altogether
Mixed, it is added to double screw extruder, melt blending under 100-120 DEG C, rotating speed 300r/min, make nanometer vermiculite modifying agent.
2. the modified polymer material of packaging film according to claim 1 is it is characterised in that described polypropylene refers to for melting
Number is more than homopolymerization or the COPP of 20g/10min;Described polyethylene is that high density polyethylene (HDPE) presses matter with Low Density Polyethylene
Amount compares 4:1 mixing.
3. packaging film according to claim 1 modified polymer material it is characterised in that described antioxidant be four [β-
(3,5- di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester, three (2,4- di-tert-butyl-phenyl) phosphite esters or thio two
The double octadecyl of propanoic acid one or more.
4. the modified polymer material of packaging film according to claim 1 is it is characterised in that described lubricant is stearic acid
One of calcium or ethylene Stearyl Amine.
5. the modified polymer material of packaging film according to claim 1 is it is characterised in that described other auxiliary agent comprises to increase
Tough dose, the steady agent of light.
6. the modified polymer material of packaging film according to claim 1 is it is characterised in that described compatilizer maleic acid
Acid anhydride, glycidyl acrylate and polyacrylic graft, percent grafting is between 0.3-1.0%.
7. a kind of preparation method of the modified polymer material of packaging film described in claim 1 is it is characterised in that include following walking
Suddenly:
(1) prepare nanometer vermiculite modifying agent:By Vermiculitum and ethylene-vinyl acetate copolymer mass ratio 1:10 blendings, are added to double
Screw extruder, melt blending under 100-120 DEG C, rotating speed 300r/min, make nanometer vermiculite modifying agent;
(2) prepare the modified polymer material of packaging film:Weigh polypropylene, polyethylene, nanometer vermiculite modifying agent by weight, gather
Lactic acid, polyvinyl alcohol, antioxidant, compatilizer, lubricant, other auxiliary agent, put into high-speed mixer and stir, by twin screw
Extruding pelletization in extruder, obtains the modified polymer material of packaging film.
8. method according to claim 7 is it is characterised in that each section of extrusion temperature of described step (2) extruder is respectively
178 DEG C, 182 DEG C, 194 DEG C, 200 DEG C, 205 DEG C, 210 DEG C, extruder screw rotating speed is 285r/min.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107082959A (en) * | 2017-06-12 | 2017-08-22 | 武汉市天虹纸塑彩印有限公司 | A kind of composite package film |
CN107864537A (en) * | 2017-10-31 | 2018-03-30 | 北京晟顺普辉光电科技股份公司 | A kind of wear-resisting fire retardant cold light film and preparation method thereof |
CN109535531A (en) * | 2018-10-08 | 2019-03-29 | 福建鸿利印刷材料工贸有限公司 | A kind of high-performance environment-friendly packaging film and preparation method thereof |
CN110317406A (en) * | 2018-03-30 | 2019-10-11 | 合肥杰事杰新材料股份有限公司 | A kind of biodegradable polypropene composition and preparation method thereof |
CN112608543A (en) * | 2020-12-16 | 2021-04-06 | 江苏赛尔密封科技股份有限公司 | High-temperature-resistant polyethylene environment-friendly sealing plate and preparation method thereof |
CN115011052A (en) * | 2022-04-30 | 2022-09-06 | 冯艳梅 | Modified packaging material |
Citations (1)
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CN102276908A (en) * | 2011-08-09 | 2011-12-14 | 天津市三川琢禄包装材料有限公司 | Method for preparing high-barrier packaging material from nano-vermiculite-modified polypropylene |
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2016
- 2016-08-30 CN CN201610781757.8A patent/CN106397969A/en active Pending
Patent Citations (1)
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CN102276908A (en) * | 2011-08-09 | 2011-12-14 | 天津市三川琢禄包装材料有限公司 | Method for preparing high-barrier packaging material from nano-vermiculite-modified polypropylene |
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王文广 等主编: "《塑料配方设计 第二版》", 31 July 2004, 化学工业出版社 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107082959A (en) * | 2017-06-12 | 2017-08-22 | 武汉市天虹纸塑彩印有限公司 | A kind of composite package film |
CN107864537A (en) * | 2017-10-31 | 2018-03-30 | 北京晟顺普辉光电科技股份公司 | A kind of wear-resisting fire retardant cold light film and preparation method thereof |
CN110317406A (en) * | 2018-03-30 | 2019-10-11 | 合肥杰事杰新材料股份有限公司 | A kind of biodegradable polypropene composition and preparation method thereof |
CN109535531A (en) * | 2018-10-08 | 2019-03-29 | 福建鸿利印刷材料工贸有限公司 | A kind of high-performance environment-friendly packaging film and preparation method thereof |
CN112608543A (en) * | 2020-12-16 | 2021-04-06 | 江苏赛尔密封科技股份有限公司 | High-temperature-resistant polyethylene environment-friendly sealing plate and preparation method thereof |
CN112608543B (en) * | 2020-12-16 | 2022-11-04 | 江苏赛尔密封科技股份有限公司 | High-temperature-resistant polyethylene environment-friendly sealing plate and preparation method thereof |
CN115011052A (en) * | 2022-04-30 | 2022-09-06 | 冯艳梅 | Modified packaging material |
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Application publication date: 20170215 |