CN105694189A - Production process for photodegradable plastic film - Google Patents

Production process for photodegradable plastic film Download PDF

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Publication number
CN105694189A
CN105694189A CN201510595668.XA CN201510595668A CN105694189A CN 105694189 A CN105694189 A CN 105694189A CN 201510595668 A CN201510595668 A CN 201510595668A CN 105694189 A CN105694189 A CN 105694189A
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CN
China
Prior art keywords
raw material
low density
density polyethylene
production technology
film
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Pending
Application number
CN201510595668.XA
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Chinese (zh)
Inventor
吕绪林
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Anhui Yilin Plastic Industry Co Ltd
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Anhui Yilin Plastic Industry Co Ltd
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Application filed by Anhui Yilin Plastic Industry Co Ltd filed Critical Anhui Yilin Plastic Industry Co Ltd
Priority to CN201510595668.XA priority Critical patent/CN105694189A/en
Publication of CN105694189A publication Critical patent/CN105694189A/en
Pending legal-status Critical Current

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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
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • 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
    • 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
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C08J2423/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention belongs to the field of production of plastic films and relates to a production process for plastic rubber, in particular to a production process for a photodegradable plastic film. The production process comprises the steps of preparation of raw material auxiliary materials, raw material master batches and raw material particles, putting of raw materials, blow molding traction, air ring cooling and film rolling. The process is concise and reasonable, an automatic production line can be realized, and efficiency is high. The plastic film produced through the process has the advantages of being good in appearance without wrinkles, high in transparency, uniform in thickness, high in longitudinal and transverse tensile strength and the like; meanwhile, the produced film is easy to decompose and hardly causes pollution to the environment.

Description

A kind of can the production technology of photodegradative plastic sheeting
Technical field
The present invention relates to the production field of plastic foil, a kind of specifically can the production technology of photodegradative plastic sheeting。
Background technology
Development along with petrochemical industry, polyethylene, the plastic such as polypropylene is widely used in catering trade, retail business and agricultural, but these plastics are difficult to fast degradation under natural environment, causing " white garbage ", therefore to these polyethylene, the improvement of the plastics such as polypropylene is society need, because starch source enriches, cheap, biodegradable again, so starch filled vinyon receives extensive concern。In order to improve the compatibility of starch and polyethylene, improve starch loading in the blend, the ethylenic copolymer with hydrophilic radical can be added in co-mixing system, such as ethylene. acrylic acid, in starch filled vinyon, though starch fully biodegradable therein, the environmental degradability of polyethylene is poor, and adding photosensitizer is one of effective ways improving polyethylene degradation performance。
Summary of the invention
It is an object of the invention to provide a kind of plastic sheeting that can have photodissociation and production technology thereof。
For realizing such purpose, the technical scheme is that the joined adjuvant of employing and Low Density Polyethylene and linear low density polyethylene mixing granulation, when not only making film production easily stretchable, make film strength strengthen simultaneously, toughness strengthens, improve the quality of thin film, simultaneously can photodissociation, to environment non-hazardous。The explained hereafter step of the present invention is as follows:
1) raw material adjuvant: starch, compatilizer, plasticizer, photosensitizer, processing aid；
2) raw material masterbatch: Low Density Polyethylene, linear low density polyethylene (LLDPE)；
3) being mixed with of raw material: by starch after hydrophobization processes, mix in high-speed mixer with compatilizer, plasticizer, photosensitizer, processing aid etc., it is subsequently adding Low Density Polyethylene mix homogeneously, with double screw extruder 120 DEG C-160 DEG C extrusions, cooling granulation and get final product, biodegradable agglomerate material。Above-mentioned master batch material is mixed by a certain percentage with linear low density polyethylene (LLDPE) after drying；
4) step 2) mixed granule throws in；
5) blowing traction, stretches blowing packaging film feeding out；
6) vane cooling, is responsible for the film bubble of inflation is carried out cooling and shaping；
7) the batching of thin film, film。
Described a kind of can the production technology of photodegradative plastic sheeting, it is characterised in that described raw material ratio of adjuvant is as follows: starch 30%-45%, compatilizer 5%-15%, plasticizer 5%-15%, photosensitizer 5%-15%, processing aid 5%-15%。
Described a kind of can the production technology of photodegradative plastic sheeting, it is characterised in that the ratio of raw material adjuvant and Low Density Polyethylene is: 1: 3。
Described a kind of can the production technology of photodegradative plastic sheeting, it is characterised in that the mixed proportion having master batch that raw material adjuvant and Low Density Polyethylene be mixed and linear low density polyethylene (LLDPE) is 1: 2。
The beneficial outcomes of the present invention:
This concise in technology is rationally, can to realize automatic production line, efficiency high, the good corrugationless of plastic sheeting outward appearance of this explained hereafter, transparency are high, thickness is uniform, the vertical and horizontal hot strength advantages of higher of thin film, the thin film simultaneously produced has certain anti-flammability, is that the function of thin film is more powerful。
Detailed description of the invention
Embodiment 1
The production technology of a kind of flame retardant type plastic sheeting, it is characterised in that described production technology is made up of following steps:
(1) raw material ratio of adjuvant: starch 45%, compatilizer 10%, plasticizer 10%, photosensitizer 15%, processing aid 10%；
(2) raw material masterbatch: Low Density Polyethylene, linear low density polyethylene (LLDPE)；
(3) being mixed with of raw material: by starch after hydrophobization processes, mix in high-speed mixer with compatilizer, plasticizer, photosensitizer, processing aid etc., it is subsequently adding Low Density Polyethylene mix homogeneously (the Low Density Polyethylene ratio of adjuvant and addition is 1: 3) with double screw extruder 150 DEG C of extrusions, cooling granulation and get final product, biodegradable agglomerate material。Above-mentioned master batch material is mixed by 1: 2 with linear low density polyethylene (LLDPE) after drying；
(4) granule mixed for step 1) is thrown in；
(5) blowing traction, stretches blowing packaging film feeding out；
(6) vane cooling, is responsible for the film bubble of inflation is carried out cooling and shaping；
(7) the batching of thin film, film。
Embodiment 2
The production technology of a kind of flame retardant type plastic sheeting, it is characterised in that described production technology is made up of following steps:
(1) proportioning raw materials: starch 40%, compatilizer 15%, plasticizer 15%, photosensitizer 15%, processing aid 15%；
(2) raw material masterbatch: Low Density Polyethylene, linear low density polyethylene (LLDPE)；
(3) being mixed with of raw material: by starch after hydrophobization processes, mix in high-speed mixer with compatilizer, plasticizer, photosensitizer, processing aid etc., it is subsequently adding Low Density Polyethylene mix homogeneously (the Low Density Polyethylene ratio of adjuvant and addition is 1: 3) with double screw extruder 140 DEG C of extrusions, cooling granulation and get final product, biodegradable agglomerate material。Above-mentioned master batch material is mixed by 1: 2 with linear low density polyethylene (LLDPE) after drying；
(4) step 2) mixed granule throws in；
(5) blowing traction, stretches blowing packaging film feeding out；
(6) vane cooling, is responsible for the film bubble of inflation is carried out cooling and shaping；
(7) the batching of thin film, film。
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention。

Claims (4)

1. one kind can the production technology of photodegradative plastic sheeting, it is characterised in that described production technology is made up of following steps:
1) raw material adjuvant: starch, compatilizer, plasticizer, photosensitizer, processing aid；
2) raw material masterbatch: Low Density Polyethylene, linear low density polyethylene (LLDPE)；
3) being mixed with of raw material: by starch after hydrophobization processes, mix in high-speed mixer with compatilizer, plasticizer, photosensitizer, processing aid etc., it is subsequently adding Low Density Polyethylene mix homogeneously, with double screw extruder 120 DEG C-160 DEG C extrusions, cooling granulation and get final product, biodegradable agglomerate material, mixes with linear low density polyethylene (LLDPE) after drying by a certain percentage by above-mentioned master batch material；
4) step 2) mixed granule throws in；
5) blowing traction, stretches blowing packaging film feeding out；
6) vane cooling, is responsible for the film bubble of inflation is carried out cooling and shaping；
7) the batching of thin film, film。
2. according to claim 1 a kind of can the production technology of photodegradative plastic sheeting, it is characterised in that described raw material ratio of adjuvant is as follows: starch 30%-45%, compatilizer 5%-15%, plasticizer 5%-15%, photosensitizer 5%-15%, processing aid 5%-15%。
3. according to claim 1 a kind of can the production technology of photodegradative plastic sheeting, it is characterised in that the ratio of raw material adjuvant and Low Density Polyethylene is: 1: 3。
4. according to claim 1 a kind of can the production technology of photodegradative plastic sheeting, it is characterised in that the mixed proportion having master batch that raw material adjuvant and Low Density Polyethylene be mixed and linear low density polyethylene (LLDPE) is 1: 2。
CN201510595668.XA 2015-09-18 2015-09-18 Production process for photodegradable plastic film Pending CN105694189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510595668.XA CN105694189A (en) 2015-09-18 2015-09-18 Production process for photodegradable plastic film

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Application Number Priority Date Filing Date Title
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Publications (1)

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CN105694189A true CN105694189A (en) 2016-06-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106146970A (en) * 2016-06-28 2016-11-23 安徽徽隆包装有限公司 A kind of preparation method of photochemical catalyst degraded plastic packaging bag
CN106279960A (en) * 2016-08-25 2017-01-04 太仓市鸿运包装材料有限公司 A kind of biodegradable antibacterial food packaging film and preparation method thereof
CN109593264A (en) * 2018-12-13 2019-04-09 云南省农业科学院甘蔗研究所 A kind of durable photodegradation film and its production method of low-transmittance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1131166A (en) * 1995-03-13 1996-09-18 成都佑安降解树脂厂 Controllable light and biological double degradation plastic film and making method
CN1618871A (en) * 2003-11-18 2005-05-25 上海紫华容器包装有限公司 Biodegradable plastic container
CN103436044A (en) * 2013-08-19 2013-12-11 海南天人降解塑料股份有限公司 Degradable plastic and preparation method thereof
CN103739878A (en) * 2013-11-27 2014-04-23 苏州市丰盛塑业有限公司 Novel environmental protection mulch film preparation method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1131166A (en) * 1995-03-13 1996-09-18 成都佑安降解树脂厂 Controllable light and biological double degradation plastic film and making method
CN1618871A (en) * 2003-11-18 2005-05-25 上海紫华容器包装有限公司 Biodegradable plastic container
CN103436044A (en) * 2013-08-19 2013-12-11 海南天人降解塑料股份有限公司 Degradable plastic and preparation method thereof
CN103739878A (en) * 2013-11-27 2014-04-23 苏州市丰盛塑业有限公司 Novel environmental protection mulch film preparation method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106146970A (en) * 2016-06-28 2016-11-23 安徽徽隆包装有限公司 A kind of preparation method of photochemical catalyst degraded plastic packaging bag
CN106279960A (en) * 2016-08-25 2017-01-04 太仓市鸿运包装材料有限公司 A kind of biodegradable antibacterial food packaging film and preparation method thereof
CN109593264A (en) * 2018-12-13 2019-04-09 云南省农业科学院甘蔗研究所 A kind of durable photodegradation film and its production method of low-transmittance
CN109593264B (en) * 2018-12-13 2021-08-31 云南省农业科学院甘蔗研究所 Durable photodegradable mulching film with low light transmittance and production method thereof

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Application publication date: 20160622