CN106117775A - A kind of toothpaste sheet material high transparency polyethylene coating materials and preparation method thereof - Google Patents
A kind of toothpaste sheet material high transparency polyethylene coating materials and preparation method thereof Download PDFInfo
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- CN106117775A CN106117775A CN201610579145.0A CN201610579145A CN106117775A CN 106117775 A CN106117775 A CN 106117775A CN 201610579145 A CN201610579145 A CN 201610579145A CN 106117775 A CN106117775 A CN 106117775A
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- 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
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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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
- C08K2201/011—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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- C08L2207/066—LDPE (radical process)
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a kind of toothpaste sheet material high transparency polyethylene coating materials, be made up of the raw material of following weight portion: linear low density polyethylene 40 50 parts, metallocene linear-low density polyethylene 20 30 parts, wax corn starch 8 15 parts, 8 15 parts of Plant fiber's powder, silane coupler 36 parts, degradation-type calcium carbonate master batch 25 35 parts, vinyl-terminated silicone oil 10 18 parts, containing hydrogen silicone oil 0.3 0.8 parts, sulfuric acid solution is appropriate, and platinum catalyst is appropriate, polyphthalamide 38 parts, SEBS 36 parts.The polyethylene coating materials of the present invention is after using, it is possible to be decomposed into water and carbon dioxide in 6 18 months under field conditions (factors), and biodegradation rate is fast, without producing white pollution, meets the requirement of environmental protection；Additionally by SEBS, the interpolation of metallocene linear-low density polyethylene, the polyethylene film obtained has the preferable transparency, has higher mechanical property simultaneously.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of toothpaste sheet material high transparency polyethylene coating materials and
Its preparation method.
Background technology
What dentifrice tube packaging was currently mainly used is multiple tube packaging, and the feature of a highly significant of composite soft tube is
Its body material is composite sheet, and composite sheet is that the coating materials produced by multiple different materials by the way of compound is multiple
It is combined.Its production technology is flexible, as can also be combined by extrusion with dry type is compound, can be combined in flakes after printing
Material tubulation, it is also possible to carrying out printing tubulation after producing into sheet material；Draw materials extensively, can be polyolefin, polyamides for material
Amine, polyester, aluminium foil, paper etc., can be blown film, casting films, co-extrusion film, biaxial stretching film, vacuum for the type of coating materials
Aluminizer, coated film etc..This makes composite sheet all have the highest at aspects such as barrier property, physical and mechanical properties, outward appearances
Motility.
At present, composite sheet packaging material market being used on toothpaste are mainly plastic-aluminum combined sheet material (ABL) and overall plastic
Composite sheet (PBL), this two classes composite sheet almost occupies whole toothpaste packing market.
The problem of most popular plastic-aluminum sheet material maximum is exactly to be difficult to be recycled after it uses.Aluminium foil is multiple with plastics
Simple approach delamination cannot be passed through, although occurred much reclaiming way after conjunction, but mostly in order to separate aluminium foil and plastics
Acid, alkali or organic solvent can be used, the most costly, and environment is produced secondary pollution.And environmental protection composite sheet packaging
Material, because it has low cost, reclaiming pollution-free, easy, the feature such as degradable, will become the master of following environment-friendly package material
Stream.
Wang Mingsheng, Sun Heng have delivered advantage and application one literary composition of an environmental protection composite hose sheet material, describe composite soft tube
Present situation and the development trend of environmental protection flexible pipe, just add the environment-friendlythin thin film of pearl filler in mechanical property, deflection, environmental protection, fall
The aspects such as solution are analyzed and have been discussed.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of toothpaste sheet material high transparency polyethylene coating materials and preparation thereof
Method, the problem solving polyethylene coating materials environment-friendly degradable, ensure again meet the mechanical property of dimerization product and use requirement.
A kind of toothpaste sheet material high transparency polyethylene coating materials, is made up of the raw material of following weight portion: linear low density polyethylene
Alkene 40-50 part, metallocene linear-low density polyethylene 20-30 part, wax corn starch 8-15 part, Plant fiber powder 8-15
Part, silane coupler 3-6 part, degradation-type calcium carbonate master batch 25-35 part, vinyl-terminated silicone oil 10-18 part, containing hydrogen silicone oil 0.3-
0.8 part, sulfuric acid solution is appropriate, and platinum catalyst is appropriate, polyphthalamide 3-8 part, SEBS 3-6 part；
Described environment-friendly degradable type calcium carbonate master batch is composed of the following raw materials by weight: Low Density Polyethylene 10-30 part, n-octyl
Ferrocene 10-15 part, polylactic acid 0.2-0.5 part, Tissuemat E 1-2 part, titanate coupling agent 0.5-2.5 part, nano-calcium carbonate
25-35 part, paraffin oil is appropriate.
Specifically comprise the following steps that
(1) preparation of degradation-type calcium carbonate master batch:
1. high speed mixing smelting machine high-speed rotation, then the titanate coupling agent diluted by paraffin oil, spray are put into, in advance by nano-calcium carbonate
Entering in calcium carbonate material, heat up discharging after stirring 10-30 minute, obtains surface-treated calcium carbonate after drying；
2., with through surface-treated calcium carbonate for master batch core, same to Low Density Polyethylene, octyl ferrocene, polylactic acid, poly-
Ethylene waxes puts in homogenizer, and it is blended uniform in 60-100 DEG C to control temperature, after mix homogeneously, puts into mixed on low speed
Machine combination cooling, is subsequently adding double screw extruder extruding pelletization as environment-friendly degradable type calcium carbonate master batch；
(2) preparation of organosilicone elastic microsphere:
1., wax corn starch is joined in sulfuric acid solution, in the thermostatical oil bath of 35-45 DEG C, with 100-200 rev/min
After the speed of clock stirs 5-7 days, product is centrifuged repeatedly and is washed to neutrality, be vacuum dried to obtain nanometer starch crystal solid powder
End；
2., nanometer starch crystal pressed powder, Plant fiber's powder are added in deionized water, ultrasonic disperse 3-10 minute, then will
Pour in the aqueous dispersions of nanometer starch crystal after vinyl-terminated silicone oil and containing hydrogen silicone oil mix homogeneously, 8000-on homogenizer
Under the conditions of 12000 revs/min, homogenizing 3-15 minute, adds platinum catalyst, is the most under agitation warmed up to 40-60 DEG C of reaction 1-
3 hours, after reaction terminates, being performing centrifugal separation on, the organosilicone elastic that vacuum drying obtains nanometer starch crystal-Plant fiber's coating is micro-
Ball；
(3) elastic microsphere step (2) obtained adds in the high-speed mixer that rotating speed is 800-1000 rev/min, adds silicon
Alkane coupling agent is mixed with uniformly, is subsequently adding linear low density polyethylene, metallocene linear-low density polyethylene, three pears sugar
Alcohol, polyphthalamide, control temperature and be blended within 60-100 DEG C uniformly, after mix homogeneously, puts into low speed mixer and mixes
Close cooling, be subsequently adding double screw extruder extruding pelletization；
(4) calcium carbonate master batch step (1) obtained obtains plastic pellet with step (3) and mixs homogeneously in high-speed mixer,
Then through steps such as pellet conveying, fusion plastification, extrusion, inflation, corona, rollings on film blowing device, a kind of tooth-paste sheet is prepared
Material high transparency polyethylene coating materials.
Described platinum catalyst is the aqueous isopropanol of chloroplatinic acid, and its content is for accounting for vinyl-terminated silicone oil and hydrogeneous with Pt
The 4-6ppm of silicon oil mixture total amount.
The present invention compared with prior art has the advantage that
(1) the polyethylene coating materials that the present invention is prepared by adding environment-friendly degradable type calcium carbonate master batch is after using, it is possible at 6-
Being decomposed into water and carbon dioxide in 18 months under field conditions (factors), biodegradation rate is fast, without producing white pollution, meets
The requirement of environmental protection.
(2) present invention utilizes nanometer starch crystal, Plant fiber's powder emulsifying vinyl-terminated silicone oil and containing hydrogen silicone oil, passes through
Si-H addition reaction prepares organosilicone elastic microsphere.This organosilicone elastic microsphere surface is adsorbed with that degradable starch is nanocrystalline and plant
Fiber powder, has the mobility of excellence, dispersibility, has toughness and the intensity of excellence simultaneously, improves the deflection of coating materials.
(3) additionally by SEBS, the interpolation of metallocene linear-low density polyethylene, melted coextrusion film blowing machine is utilized to produce
To polyethylene film there is the preferable transparency, there is higher mechanical property simultaneously.
Detailed description of the invention
A kind of toothpaste sheet material high transparency polyethylene coating materials, is made up of the raw material of following weight portion (kilogram): linear low close
Degree polyethylene 70, wax corn starch 10, Plant fiber's powder 10, silane coupler 4, degradation-type calcium carbonate master batch 30, ethylene
Base end-blocking silicone oil 15 parts, containing hydrogen silicone oil 0.5 part, sulfuric acid solution is appropriate, and platinum catalyst is appropriate, polyphthalamide 5, SEBS
5；
Described environment-friendly degradable type calcium carbonate master batch is composed of the following raw materials by weight: Low Density Polyethylene 25 parts, n-octyl two
Cyclopentadienyl ferrum 12 parts, polylactic acid 0.4 part, Tissuemat E 1 part, titanate coupling agent 1.5 parts, nano-calcium carbonate 30 parts, paraffin oil is appropriate.
Described platinum catalyst is the aqueous isopropanol of chloroplatinic acid, and its content is for accounting for vinyl-terminated silicone oil and hydrogeneous with Pt
The 5ppm of silicon oil mixture total amount.
Specifically comprise the following steps that
(1) preparation of degradation-type calcium carbonate master batch:
1. high speed mixing smelting machine high-speed rotation, then the titanate coupling agent diluted by paraffin oil, spray are put into, in advance by nano-calcium carbonate
Entering in calcium carbonate material, heat up discharging after stirring 20 minutes, obtains surface-treated calcium carbonate after drying；
2., with through surface-treated calcium carbonate for master batch core, same to Low Density Polyethylene, octyl ferrocene, polylactic acid, poly-
Ethylene waxes puts in homogenizer, and it is blended uniform in 80 DEG C to control temperature, after mix homogeneously, puts into low speed mixer and mixes
Close cooling, be subsequently adding double screw extruder extruding pelletization as environment-friendly degradable type calcium carbonate master batch；
(2) preparation of organosilicone elastic microsphere:
1., wax corn starch is joined in sulfuric acid solution, in the thermostatical oil bath of 40 DEG C, with the speed of 150 revs/min
After stirring 6 days, product is centrifuged repeatedly and is washed to neutrality, be vacuum dried to obtain nanometer starch crystal pressed powder；
2., nanometer starch crystal pressed powder, Plant fiber's powder are added in deionized water, ultrasonic disperse 8 minutes, then by ethylene
Pour into after base end-blocking silicone oil and containing hydrogen silicone oil mix homogeneously in the aqueous dispersions of nanometer starch crystal, on homogenizer 10000 revs/min
Under the conditions of clock, homogenizing 10 minutes, add platinum catalyst, are the most under agitation warmed up to 50 DEG C and react 2 hours, after reaction terminates,
Being performing centrifugal separation on, vacuum drying obtains the organosilicone elastic microsphere of nanometer starch crystal-Plant fiber's coating；
(3) elastic microsphere step (2) obtained adds in the high-speed mixer that rotating speed is 1000 revs/min, adds silane even
Connection agent is mixed with uniformly, is subsequently adding linear low density polyethylene, metallocene linear-low density polyethylene, minashi sugar alcohol, gathers
Phthalic amide, controls temperature and is blended uniformly within 70 DEG C, after mix homogeneously, put into low speed mixer combination cooling, so
Rear addition double screw extruder extruding pelletization；
(4) calcium carbonate master batch step (1) obtained obtains plastic pellet with step (3) and mixs homogeneously in high-speed mixer,
Then through steps such as pellet conveying, fusion plastification, extrusion, inflation, corona, rollings on film blowing device, a kind of tooth-paste sheet is prepared
Material high transparency polyethylene coating materials.
Data after tested: hot strength (MPa): horizontal 22, longitudinal 25；Elongation at break (MPa): horizontal 875, longitudinally
835；Deflection (N): horizontal 3.2, longitudinal 4.1.
Claims (3)
1. a toothpaste sheet material high transparency polyethylene coating materials, it is characterised in that be made up of the raw material of following weight portion: the lowest
Density polyethylene 40-50 part, metallocene linear-low density polyethylene 20-30 part, wax corn starch 8-15 part, plant fiber powder
End 8-15 part, silane coupler 3-6 part, degradation-type calcium carbonate master batch 25-35 part, vinyl-terminated silicone oil 10-18 part, Silicon Containing Hydrogen
Oil 0.3-0.8 part, sulfuric acid solution is appropriate, and platinum catalyst is appropriate, polyphthalamide 3-8 part, SEBS 3-6 part；
Described environment-friendly degradable type calcium carbonate master batch is composed of the following raw materials by weight: Low Density Polyethylene 10-30 part, n-octyl
Ferrocene 10-15 part, polylactic acid 0.2-0.5 part, Tissuemat E 1-2 part, titanate coupling agent 0.5-2.5 part, nano-calcium carbonate
25-35 part, paraffin oil is appropriate.
2., according to the preparation method of a kind of toothpaste sheet material high transparency polyethylene coating materials described in claims 1, its feature exists
In, specifically comprise the following steps that
(1) preparation of degradation-type calcium carbonate master batch:
1. high speed mixing smelting machine high-speed rotation, then the titanate coupling agent diluted by paraffin oil, spray are put into, in advance by nano-calcium carbonate
Entering in calcium carbonate material, heat up discharging after stirring 10-30 minute, obtains surface-treated calcium carbonate after drying；
2., with through surface-treated calcium carbonate for master batch core, same to Low Density Polyethylene, octyl ferrocene, polylactic acid, poly-
Ethylene waxes puts in homogenizer, and it is blended uniform in 60-100 DEG C to control temperature, after mix homogeneously, puts into mixed on low speed
Machine combination cooling, is subsequently adding double screw extruder extruding pelletization as environment-friendly degradable type calcium carbonate master batch；
(2) preparation of organosilicone elastic microsphere:
1., wax corn starch is joined in sulfuric acid solution, in the thermostatical oil bath of 35-45 DEG C, with 100-200 rev/min
After the speed of clock stirs 5-7 days, product is centrifuged repeatedly and is washed to neutrality, be vacuum dried to obtain nanometer starch crystal solid powder
End；
2., nanometer starch crystal pressed powder, Plant fiber's powder are added in deionized water, ultrasonic disperse 3-10 minute, then will
Pour in the aqueous dispersions of nanometer starch crystal after vinyl-terminated silicone oil and containing hydrogen silicone oil mix homogeneously, 8000-on homogenizer
Under the conditions of 12000 revs/min, homogenizing 3-15 minute, adds platinum catalyst, is the most under agitation warmed up to 40-60 DEG C of reaction 1-
3 hours, after reaction terminates, being performing centrifugal separation on, the organosilicone elastic that vacuum drying obtains nanometer starch crystal-Plant fiber's coating is micro-
Ball；
(3) elastic microsphere step (2) obtained adds in the high-speed mixer that rotating speed is 800-1000 rev/min, adds silicon
Alkane coupling agent is mixed with uniformly, is subsequently adding linear low density polyethylene, metallocene linear-low density polyethylene, three pears sugar
Alcohol, polyphthalamide, control temperature and be blended within 60-100 DEG C uniformly, after mix homogeneously, puts into low speed mixer and mixes
Close cooling, be subsequently adding double screw extruder extruding pelletization；
(4) calcium carbonate master batch step (1) obtained obtains plastic pellet with step (3) and mixs homogeneously in high-speed mixer,
Then through steps such as pellet conveying, fusion plastification, extrusion, inflation, corona, rollings on film blowing device, a kind of tooth-paste sheet is prepared
Material high transparency polyethylene coating materials.
3. according to the preparation method of a kind of toothpaste sheet material high transparency polyethylene coating materials described in claims 1,2, its feature
Being, platinum catalyst is the aqueous isopropanol of chloroplatinic acid, and its content is for accounting for vinyl-terminated silicone oil and containing hydrogen silicone oil mixing with Pt
The 4-6ppm of thing total amount.
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| CN201610579145.0A CN106117775A (en) | 2016-07-21 | 2016-07-21 | A kind of toothpaste sheet material high transparency polyethylene coating materials and preparation method thereof |
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| CN201610579145.0A CN106117775A (en) | 2016-07-21 | 2016-07-21 | A kind of toothpaste sheet material high transparency polyethylene coating materials and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233077A (en) * | 2018-07-24 | 2019-01-18 | 桐城市正阳包装有限公司 | A kind of biodegradable plastic film |
| CN110845767A (en) * | 2019-11-08 | 2020-02-28 | 南通龙达生物新材料科技有限公司 | Starch plastic composition and preparation method and application thereof |
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| CN104817749A (en) * | 2015-04-17 | 2015-08-05 | 柳州蔚园塑料彩印包装有限责任公司 | Plastic packaging bag |
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2016
- 2016-07-21 CN CN201610579145.0A patent/CN106117775A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817749A (en) * | 2015-04-17 | 2015-08-05 | 柳州蔚园塑料彩印包装有限责任公司 | Plastic packaging bag |
Non-Patent Citations (3)
| Title |
|---|
| 徐同考: "《塑料改性实用技术》", 31 October 2012, 中国轻工业出版社 * |
| 王明生等: "环保复合软管片材的优点及应用", 《口腔护理用品工业》 * |
| 钱景茹等: "淀粉纳米晶涂覆的有机硅弹性微球的制备", 《应用化工》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233077A (en) * | 2018-07-24 | 2019-01-18 | 桐城市正阳包装有限公司 | A kind of biodegradable plastic film |
| CN110845767A (en) * | 2019-11-08 | 2020-02-28 | 南通龙达生物新材料科技有限公司 | Starch plastic composition and preparation method and application thereof |
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Application publication date: 20161116 |