CN109503927A - A kind of Novel plastic-film and preparation method thereof - Google Patents
A kind of Novel plastic-film and preparation method thereof Download PDFInfo
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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
- C08J2323/06—Polyethene
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- C08J2400/00—Characterised by the use of unspecified polymers
- C08J2400/16—Biodegradable polymers
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- 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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- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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Abstract
The invention discloses a kind of Novel plastic-film, raw material components and parts by weight are respectively as follows: 100 parts of polyethylene, 20-30 parts of polylactic acid, 65-80 parts of PBM degradable material, 10-15 parts of filler material, 5-10 parts of lignocellulosic, 3-5 parts of antioxidant, 1-1.5 parts of ultraviolet absorbing agent, 25-30 parts of nano flame retardant compound；Plastic film provided by the invention selects currently on the market mature modified starch degradation plastic masterbatch PBM and Pullulan polysaccharide and film-grade LDPE blending extrusion blown film in preparation method, the characteristics of using LDPE, guarantees the good mechanical property of film；Using the degradability of PBM and Pullulan, the environment friendly of thin-film material is realized；Using the high oxygen barrier of Pullulan, the oxygen barrier of thin-film material is improved；Using starch and similitude of the Pullulan as glucide in structure, the compatibility of plastic film material entirety is improved；The regulation, it can be achieved that oxygen barrier and degradability etc. is matched by the blending of control LDPE/PBM/Pullulan system.
Description
Technical field
The present invention relates to a kind of plastic film, especially a kind of Novel plastic-film and preparation method thereof.
Background technique
It is well known that polybag with plastic sheeting making is light, thin, waterproof, intensity is larger, at low cost, be it is a kind of very
Good packaging material, the use of polybag bring great convenience to people's lives, keep the dosage of polybag increasing,
It is not easily recycled with waste plastic bag later, is not degradable, a large amount of waste plastic bag has become one of current contamination environment
Serious problem.In order to mitigate pollution of the plastic film to environment, it is thin that people have developed some environment-friendly novel plastics
Film, this kind of degradable plastic film, constituent have film-grade plastics and can cause plastics generate degradation component, as starch,
Calcium carbonate etc., this Novel plastic-film are addition type Novel plastic-films, and addition type Novel plastic-film is to improve environment hair
Certain positive effect is waved.But the processing performance of this Novel plastic-film processing is bad, manufactured plastic film product object
Property and appearance are poor.
Biodegradable plastic be administer plastic refuse environmental pollution and the contradictory effective way of buffering petroleum resources it
One, from the packaging bag of food to agricultural film, then the shell of electric equipment products is arrived, from non-returnable container, edible products to warp
Long durable products, biodegradable plastic just gradually replace conventional plastic materials, and market prospects are very wide.It is reported that complete at present
The biodegradable plastic kind of ball research and development is tens kinds existing,
In addition, the degradation of this Novel plastic-film needs certain rigid condition, and plastic film it is discarded after environment,
It is to be done in closed refuse disposal system or be just an exposure in the unfixed natural environment of condition, is difficult to protect
Levy rigid condition required for this degradation of plastic film, these degradative plastics in most cases, either at rubbish
It cannot degrade in reason system or well in natural environment because of subject to conditions.It, can not be discarded in prior art
In environment afterwards, guarantee the Novel plastic-film of degradation.
Summary of the invention
The purpose of the invention is to overcome above-mentioned deficiency, propose to guarantee the new of degradation in a kind of environment after discarded
Plastic film.
The technical solution of the present invention is as follows:
A kind of Novel plastic-film, raw material components and parts by weight are respectively as follows:
100 parts of polyethylene, 20-30 parts of polylactic acid, 65-80 parts of PBM degradable material, 10-15 parts of filler material, lignocellulosic
5-10 parts, 3-5 parts of antioxidant, 1-1.5 parts of ultraviolet absorbing agent, 25-30 parts of nano flame retardant compound.
The nano flame retardant complexing agent the preparation method comprises the following steps:
(1) by silicone hydroxyl apatite, red phosphorus, concave convex rod, hydrotalcite, montmorillonite, titanium dioxide, calcite, kaolin according to
The mass fraction of 25-35:15-20:10-15:10-15:8-10:8-10:7-8:5-7 matches mixing, is added to 200 parts of diformazan Asias
It in the mixed solution of sulfone (DMSO) and 50 parts of methanol, is stirred 60 hours in 65 DEG C, filtering, and washes 3 with the hot ethanol of 60 DEG C of temperature
It is secondary to remove excessive dimethyl sulfoxide (DMSO), it is put into vacuum oven, it is 24 hours dry in 60 DEG C of temperature, it is ground up, sieved, obtains one
Secondary modified flame-retardant compound；
(2) 1 part of modified flame-retardant compound, 10 parts of potassium acetates and 25 parts of distilled water are mixed, is stirred in temperature 50 C
10 hours or more, 30 DEG C of Yu Wendu, first disperse 2.5 hours under the conditions of ultrasonic electrical power 350W, then again in ultrasonic electrical power
Disperse 3 hours under the conditions of 250W.Filtering, and washed 3 times with distillation, 80 DEG C are dried in vacuo 24 hours, are ground up, sieved, obtain secondary change
Property flame-retardant compounds；
(3) above-mentioned 1 part of twice-modified flame-retardant compounds are dispersed into 40min in 600W power ultrasonic, is filled with heated at constant temperature
It sets and is heated to 90 DEG C, and stir (1200r/min) 60 minutes with mechanical agitator；Obtain nano flame retardant compound；
The polyethylene is low density polyethylene (LDPE), medium density polyethylene, high density polyethylene (HDPE) are mixed according to mass ratio 2:2:1
Material.
PBM degradable material is the biodegradation material using agricultural biomass resource for main material production, is using shallow lake
Powder, vegetable fat etc. are after the fully-degradable natural high molecular material of main Material synthesis is specially treated, with water soluble polymer
Material and a small amount of resin compounded form.
The filler material is calcium carbonate.
The antioxidant is antioxidant 1010 or irgasfos 168.
A kind of preparation method of Novel plastic-film, the steps include:
(1) polyethylene, polylactic acid, lignocellulosic and antioxidant, ultraviolet absorbing agent, filler material, nano flame retardant are multiple
It closes object to mix in a high speed mixer 25-35 minutes, then the extruding pelletization in double screw extruder, obtains master batch；
(2) (1) master batch that step obtains is mixed with PBM degradable material, squeezes out blown film using plastic film blowing machine to get product.
Four sections of controls of twin screw extruder barrel back segment temperature described in step (1) point, control respectively at 180~200 DEG C, material
Points of four sections controls of cylinder front-end temperature, control respectively at 200~230 DEG C, and head temperature is divided to two sections of controls, control respectively 220~
240℃。
Four sections of controls of film blowing machine barrel back segment temperature described in step (2) point, control respectively at 180~200 DEG C, before barrel
Duan Wendu points of four sections of controls, control respectively at 210~230 DEG C, head temperature is divided to two sections of controls, is controlled respectively 220~240
DEG C, blow-up ratio is 1.5~2.0,20~40r/min of screw speed, 10~50m/min of hauling speed.
The advantages of the present invention are:
Provided by the invention oxygen barrier and Novel plastic-film selects modified shallow lake mature currently on the market in preparation method
Powder degradable plastic masterbatch PBM and Pullulan polysaccharide and film-grade LDPE blending extrusion blown film the characteristics of using LDPE, guarantee
The good mechanical property of film；Using the degradability of PBM and Pullulan, the environment friendly of thin-film material is realized；It utilizes
The high oxygen barrier of Pullulan, improves the oxygen barrier of thin-film material；Using starch and Pullulan as glucide in structure
On similitude, improve plastic film material entirety compatibility；Blending by controlling LDPE/PBM/Pullulan system is matched
Than, it can be achieved that regulation to oxygen barrier and degradability etc..
Provided by the invention oxygen barrier and Novel plastic-film meeting automatic classifying under the action of oxygen-enriched and microorganism, after discarding
Film carbon dioxide and water can be ultimately generated by the degradable digestion of microorganism in nature, it is thin compared with the LDPE of same thickness
Film oxygen barrier property can be improved 40%.Preparation method simple process of the invention, high production efficiency, industrializing implementation are easy, are available
Common plastics inflation film manufacturing machine is produced.Fire retardant prepared by the present invention is halogen-free, organic matter, asepsis environment-protecting, and application prospect is wide
It is wealthy；Present invention progress is twice-modified, and such benefit is: increasing reaction active sites, improves modified effect；Energy again while modified
The moisture in system is evaporated off, it is dry to be carried out simultaneously with modification, it improves work efficiency；Nano silicone hydroxyapatite, concave convex rod,
There are a large amount of physics and chemical absorbed waters in itself micropore such as montmorillonite, kaolin, generate water vapour at high temperature, block oxygen
Gas absorbs heat, reaches multiple fire-retardant effect；Powerful absorption property can be effectively improved the synergistic effect of several fire retardants,
Prevention is increased by fire retardant matter temperature, improves flame retarding efficiency；The resources such as silicone hydroxyl apatite, concave convex rod, montmorillonite, kaolin
It is abundant, the industrial cost of fire retardant is greatly reduced, also provides a new way for the development and application of attapulgite；The present invention
Using the dispersion of solwution method ultrasonic wave and the stirring of mechanical high-speed blender, so that respectively component has reached nanometer to fire retardant in the solution
Grade dispersion, effectively prevents the autoxidation to composite material, so that composite material be made to have better mechanical property.Composite wood
The oxygen index (OI) of material is that 41 tensile strength are 5MPa, and elongation at break 120%, degradation cycle is 120 days.
Specific embodiment
Below with reference to specific embodiment, the present invention will be further described in detail, but the present invention is not restricted to these implement
Example.
The technical solution of the present invention is as follows:
A kind of Novel plastic-film, raw material components and parts by weight are respectively as follows:
100 parts of polyethylene, 20-30 parts of polylactic acid, 65-80 parts of PBM degradable material, 10-15 parts of filler material, lignocellulosic
5-10 parts, 3-5 parts of antioxidant, 1-1.5 parts of ultraviolet absorbing agent, 25-30 parts of nano flame retardant compound.
The nano flame retardant complexing agent the preparation method comprises the following steps:
(1) by silicone hydroxyl apatite, red phosphorus, concave convex rod, hydrotalcite, montmorillonite, titanium dioxide, calcite, kaolin according to
The mass fraction of 25-35:15-20:10-15:10-15:8-10:8-10:7-8:5-7 matches mixing, is added to 200 parts of diformazan Asias
It in the mixed solution of sulfone (DMSO) and 50 parts of methanol, is stirred 60 hours in 65 DEG C, filtering, and washes 3 with the hot ethanol of 60 DEG C of temperature
It is secondary to remove excessive dimethyl sulfoxide (DMSO), it is put into vacuum oven, it is 24 hours dry in 60 DEG C of temperature, it is ground up, sieved, obtains one
Secondary modified flame-retardant compound；
(2) 1 part of modified flame-retardant compound, 10 parts of potassium acetates and 25 parts of distilled water are mixed, is stirred in temperature 50 C
10 hours or more, 30 DEG C of Yu Wendu, first disperse 2.5 hours under the conditions of ultrasonic electrical power 350W, then again in ultrasonic electrical power
Disperse 3 hours under the conditions of 250W.Filtering, and washed 3 times with distillation, 80 DEG C are dried in vacuo 24 hours, are ground up, sieved, obtain secondary change
Property flame-retardant compounds；
(3) above-mentioned 1 part of twice-modified flame-retardant compounds are dispersed into 40min in 600W power ultrasonic, is filled with heated at constant temperature
It sets and is heated to 90 DEG C, and stir (1200r/min) 60 minutes with mechanical agitator；Obtain nano flame retardant compound；
The polyethylene is low density polyethylene (LDPE), medium density polyethylene, high density polyethylene (HDPE) are mixed according to mass ratio 2:2:1
Material.
PBM degradable material is the biodegradation material using agricultural biomass resource for main material production, is using shallow lake
Powder, vegetable fat etc. are after the fully-degradable natural high molecular material of main Material synthesis is specially treated, with water soluble polymer
Material and a small amount of resin compounded form, which is commercial goods.
The filler material is calcium carbonate.
The antioxidant is antioxidant 1010 or irgasfos 168.
A kind of preparation method of Novel plastic-film, the steps include:
(1) polyethylene, polylactic acid, lignocellulosic and antioxidant, ultraviolet absorbing agent, filler material, nano flame retardant are multiple
It closes object to mix in a high speed mixer 25-35 minutes, then the extruding pelletization in double screw extruder, obtains master batch；
(2) (1) master batch that step obtains is mixed with PBM degradable material, squeezes out blown film using plastic film blowing machine to get product.
Four sections of controls of twin screw extruder barrel back segment temperature described in step (1) point, control respectively at 180~200 DEG C, material
Points of four sections controls of cylinder front-end temperature, control respectively at 200~230 DEG C, and head temperature is divided to two sections of controls, control respectively 220~
240℃。
Four sections of controls of film blowing machine barrel back segment temperature described in step (2) point, control respectively at 180~200 DEG C, before barrel
Duan Wendu points of four sections of controls, control respectively at 210~230 DEG C, head temperature is divided to two sections of controls, is controlled respectively 220~240
DEG C, blow-up ratio is 1.5~2.0,20~40r/min of screw speed, 10~50m/min of hauling speed.
Claims (8)
1. a kind of Novel plastic-film, it is characterised in that: its raw material components and parts by weight are respectively as follows:
100 parts of polyethylene, 20-30 parts of polylactic acid, 65-80 parts of PBM degradable material, 10-15 parts of filler material, lignocellulosic 5-10
Part, 3-5 parts of antioxidant, 1-1.5 parts of ultraviolet absorbing agent, 25-30 parts of nano flame retardant compound.
The nano flame retardant complexing agent the preparation method comprises the following steps:
(1) by silicone hydroxyl apatite, red phosphorus, concave convex rod, hydrotalcite, montmorillonite, titanium dioxide, calcite, kaolin according to 25-
The mass fraction of 35:15-20:10-15:10-15:8-10:8-10:7-8:5-7 matches mixing, is added to 200 parts of dimethyl sulfoxides
(DMSO) it and in the mixed solution of 50 parts of methanol, stirs 60 hours in 65 DEG C, filtering, and is washed 3 times with the hot ethanol of 60 DEG C of temperature
Excessive dimethyl sulfoxide (DMSO) is removed, vacuum oven is put into, it is 24 hours dry in 60 DEG C of temperature, it is ground up, sieved, obtains once
Modified flame-retardant compound；
(2) 1 part of modified flame-retardant compound, 10 parts of potassium acetates and 25 parts of distilled water are mixed, it is small in temperature 50 C stirring 10
When more than, 30 DEG C of Yu Wendu, first disperse 2.5 hours under the conditions of ultrasonic electrical power 350W, then again in ultrasonic electrical power 250W
Under the conditions of disperse 3 hours.Filtering, and washed 3 times with distillation, 80 DEG C are dried in vacuo 24 hours, are ground up, sieved, obtain twice-modified resistance
Fire compound；
(3) above-mentioned 1 part of twice-modified flame-retardant compounds are dispersed into 40min in 600W power ultrasonic, with constant temperature heating device plus
Heat stirs (1200r/min) 60 minutes to 90 DEG C, and with mechanical agitator；Obtain nano flame retardant compound.
2. a kind of Novel plastic-film according to claim 1, it is characterised in that: the polyethylene is low density polyethylene
Alkene, medium density polyethylene, high density polyethylene (HDPE) are according to mass ratio 2:2:1 mixing.
3. a kind of Novel plastic-film according to claim 1, it is characterised in that: PBM degradable material is raw using agricultural
Physical resources are the biodegradation material of main material production, are to use starch, vegetable fat etc. for the complete of main Material synthesis
After natural macromolecular material of degrading is specially treated, formed with water-soluble high-molecular material and a small amount of resin compounded.
4. a kind of Novel plastic-film according to claim 1, it is characterised in that: the filler material is calcium carbonate.
5. a kind of Novel plastic-film according to claim 1, it is characterised in that: the antioxidant be antioxidant 1010 or
Irgasfos 168.
6. a kind of preparation method of Novel plastic-film, it is characterised in that: the steps include:
(1) polyethylene, polylactic acid, lignocellulosic and antioxidant, ultraviolet absorbing agent, filler material, nano flame retardant compound
It mixes 25-35 minutes in a high speed mixer, then the extruding pelletization in double screw extruder, obtains master batch；
(2) (1) master batch that step obtains is mixed with PBM degradable material, squeezes out blown film using plastic film blowing machine to get product.
7. a kind of preparation method of Novel plastic-film according to claim 6, it is characterised in that: described in step (1)
Four sections of controls of twin screw extruder barrel back segment temperature point are controlled respectively at 180~200 DEG C, and four sections of barrel front-end temperature point control,
It is controlled respectively at 200~230 DEG C, head temperature is divided to two sections of controls, is controlled respectively at 220~240 DEG C.
8. a kind of preparation method of Novel plastic-film according to claim 6, it is characterised in that: described in step (2)
Four sections of controls of film blowing machine barrel back segment temperature point are controlled respectively at 180~200 DEG C, and four sections of barrel front-end temperature point control, respectively
At 210~230 DEG C, head temperature is divided to two sections of controls for control, is controlled respectively at 220~240 DEG C, blow-up ratio is 1.5~2.0, spiral shell
Bar 20~40r/min of revolving speed, 10~50m/min of hauling speed.
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| CN201811481274.1A CN109503927A (en) | 2018-12-05 | 2018-12-05 | A kind of Novel plastic-film and preparation method thereof |
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| CN201811481274.1A CN109503927A (en) | 2018-12-05 | 2018-12-05 | A kind of Novel plastic-film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336985A (en) * | 2021-06-03 | 2021-09-03 | 福建省立晟环保科技有限公司 | Production method of high-strength plastic film |
| CN113603996A (en) * | 2021-09-08 | 2021-11-05 | 东阳市诰源闪光材料有限公司 | Preparation method of plastic film |
-
2018
- 2018-12-05 CN CN201811481274.1A patent/CN109503927A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336985A (en) * | 2021-06-03 | 2021-09-03 | 福建省立晟环保科技有限公司 | Production method of high-strength plastic film |
| CN113603996A (en) * | 2021-09-08 | 2021-11-05 | 东阳市诰源闪光材料有限公司 | Preparation method of plastic film |
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Application publication date: 20190322 |