CN108948560A - A kind of lignin/starch/PVC film and preparation method thereof - Google Patents
A kind of lignin/starch/PVC film and preparation method thereof Download PDFInfo
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- CN108948560A CN108948560A CN201710353082.1A CN201710353082A CN108948560A CN 108948560 A CN108948560 A CN 108948560A CN 201710353082 A CN201710353082 A CN 201710353082A CN 108948560 A CN108948560 A CN 108948560A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- 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
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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
- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08J2497/00—Characterised by the use of lignin-containing 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
- C08L2205/03—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
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a kind of lignin/starch/PVC films and preparation method thereof.Lignin/starch/the PVC film includes the component of following parts by weight: polyvinyl chloride resin, lignin, starch, calcium zinc stabilizer, plasticizer, compatilizer, lubricant.Lignin/starch/the PVC film obtains premix material the preparation method comprises the following steps: each source chemicals are proportionally added into high-speed mixer and are overheated mixed, cold mixed;It is granulated by double screw extruder melting extrusion;Single screw rod blow moulding machine is recycled to obtain the lignin/starch/PVC film.The lignin of the method for the present invention preparation/starch/PVC film is nontoxic, meets environmental requirement, thickness uniformly, smooth surface, there is good toughness, stretch-proof is not easy to break etc..
Description
Technical field
The present invention relates to PVC film technical fields, and in particular to a kind of lignin/starch/PVC film and its preparation side
Method.
Background technique
Existing routine PVC film material is mixed using auxiliary agents such as PVC, nontoxic plasticizer, stabilizers as component through batch mixer,
The thin-film material being prepared again by blow molding process, but its toughness, ductility etc. are to be improved.
Starch is a kind of bio-based materials with extensive source, it may have excellent biodegradation character, while starch
It with relatively very cheap price, is had been widely used in biodegradable field at present, major way is dropped with biology
Solve the mode of plastic blend processing.It is still used as the waste of industrial slurrying presently more than 95% lignin according to statistics, with waste water
It is directly discharged into rivers or concentration after-burning burn-up, the discharge of pulp-making waste-water not only causes the waste of resource, while polluting environment again,
The meaning that good resource utilization has reality to the development and environmental protection of social economy is carried out to it.
Summary of the invention
The present invention is to solve the above problem in the prior art, proposes a kind of lignin/starch/PVC film and its preparation
Method.
The present invention prepares lignin/starch/PVC film main technical schemes, is due to lignin and starch and plant
Fibres are similar all to contain hydrophilic radical, generallys use anhydride compatilizer and esterification occurs for lignin/starch hydroxyl,
The present invention improves lignin/starch and plastics is multiple by improving the compatibility of itself and plastics to lignin/grafting modified of starch
The properties of condensation material.
To achieve the above object, the invention adopts the following technical scheme:
The first aspect of the invention is to provide a kind of lignin/starch/PVC film, the lignin/starch/PVC film
Formula include following parts by weight component: thermoplastic PVC30~90 part, 10~40 parts of starch, 10~60 parts of lignin,
1~5 part of calcium zinc stabilizer, 2~10 parts of plasticizer, 2~10 parts of compatilizer, 1~5 part of lubricant.
Further, in the lignin/starch/PVC film, the lignin/starch/PVC film formula packet
Include the component of following parts by weight: 40~80 parts of thermoplastic PVC, 15~35 parts of starch, 20~50 parts of lignin, calcium zinc are steady
Determine 2~4.2 parts of agent, 3~8 parts of plasticizer, 3~8 parts of compatilizer, 2~4 parts of lubricant.
It is further preferred that lignin/starch/the PVC film is matched in the lignin/starch/PVC film
Side includes the component of following parts by weight: 50~60 parts of thermoplastic PVC, 28~33 parts of starch, 35~40 parts of lignin, calcium
3.5~3.8 parts of zinc stabilizer, 4~5 parts of plasticizer, 4~3.5 parts of compatilizer, 2.5~3 parts of lubricant.
Further, in the lignin/starch/PVC film, the lignin is Lignin in Wastewater from Paper-Making Mill.
Further, in the lignin/starch/PVC film, the starch is cornstarch, tapioca, horse
One or more of bell sweet potato starch, pea starch or wheaten starch.
Further, in the lignin/starch/PVC film, the plasticizer is epoxidized soybean oil or citric acid
One of ester or a variety of mixtures.
Further, in the lignin/starch/PVC film, the compatilizer is maleic anhydride, acrylic acid, horse
Maleic anhydride grafted PP, maleic anhydride grafting PE, maleic anhydride grafting POE, maleic anhydride are grafted EVA, acrylic acid-grafted PP, propylene
One of acid grafting PE, acrylic acid-grafted POE, acrylic acid-grafted EVA or a variety of mixtures.
Further, in the lignin/starch/PVC film, the lubricant is stearic acid, calcium stearate, hard
One of resin acid zinc, polyol ester, oleamide, microcrystalline wax, EBS or a variety of mixtures.
The second aspect of the invention is to provide lignin described in one kind/starch/PVC film preparation method, specifically
Include the following steps:
(1) by the lignin drying and crushing, sieving in black liquid, obtaining mesh number is 100 mesh~400 mesh lignin
Powder;
(2) by the thermoplastic PVC of recipe ratio, lignin, starch, calcium zinc stabilizer, plasticizer, compatilizer, lubrication
Agent, when being placed in mixing machine that heat is 20~40 minutes mixed, and mixed at high speed is stirred reaches 110~130 DEG C to temperature of charge, rapidly by object
Material is put into cooling in cold mixing pot, is cooled to 30~50 DEG C or so, obtains just mixed material;
(3) first mixed material being added to extruding pelletization in double screw extruder, temperature is 150~180 DEG C, revolving speed is 10~
30r/min obtains lignin/starch/PVC film particle;
(4) lignin/starch/PVC film particle is put into single screw rod blow moulding machine, temperature is 150~180 DEG C, host
Revolving speed is 800~1200r/min, obtains lignin/starch/PVC film.
Further, in the lignin/starch/PVC film preparation method, in the step (2), high speed is mixed
It closes stirring to temperature of charge and reaches 115~120 DEG C.
Further, in the lignin/starch/PVC film preparation method, in the step (3), temperature is
170~175 DEG C, revolving speed is 15~20r/min.
Further, in the lignin/starch/PVC film preparation method, in the step (4), temperature is
165~17 DEG C, engine speed is 900~1000r/min.
The present invention by adopting the above technical scheme, compared with prior art, has the following technical effect that
Lignin/starch/PVC film provided by the invention and preparation method thereof, by conventional PVC film material prescription
In, it adds Lignin in Wastewater from Paper-Making Mill and has the bio-based materials starch in extensive source, on the one hand turn waste into wealth, reduce cost;
On the other hand, material has good toughness, stretch-proof, excellent performance not easy to break.
Specific embodiment
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
1 lignin of embodiment/starch/PVC film preparation
(1) its parts by weight component are as follows: PVC70 parts of thermoplastic, 10 parts of lignin, 10 parts of cornstarch, compatilizer
5 parts of (maleic anhydride is grafted EVA), 5 parts of calcium zinc stabilizer, 5 parts of plasticizer (epoxidized soybean oil), 5 parts of lubricant (stearic acid).
(2) it is matched according to said components, the lignin/starch/PVC film preparation method includes the following steps: (1)
It by the lignin drying in black liquid and crushes, sieving, obtains the lignin powder of 300 mesh;
(2) by thermoplastic PVC, lignin, cornstarch, calcium zinc stabilizer, compatilizer, (maleic anhydride is grafted
EVA), plasticizer (epoxidized soybean oil), lubricant (stearic acid) are proportionally placed in heat in mixing machine and mix 30 minutes, and high speed is mixed
When conjunction stirring reaches 125 DEG C or so to temperature of charge, material is put into cooling in cold mixing pot rapidly, 40 DEG C or so is cooled to, obtains
To first mixed material;
(3) first mixed material being added to extruding pelletization in double screw extruder, temperature is 170 DEG C, revolving speed 15r/min,
Obtain lignin/starch/PVC film particle;
(4) lignin/starch/PVC film particle is put into single screw rod inflation film manufacturing machine, temperature is 170 DEG C, and engine speed is
1100r/min obtains lignin/starch/PVC film.
2 lignin of embodiment/starch/PVC film preparation
(1) its parts by weight component are as follows: PVC60 parts of thermoplastic, 20 parts of lignin, 10 parts of cornstarch, compatilizer
5 parts of (maleic anhydride is grafted EVA), 5 parts of calcium zinc stabilizer, 5 parts of plasticizer (epoxidized soybean oil), 5 parts of lubricant (stearic acid).
(2) it is matched according to said components, the lignin/starch/PVC film preparation method includes the following steps: (1)
It by the lignin drying in black liquid and crushes, sieving, obtains the lignin powder of 300 mesh;
(2) by thermoplastic PVC, lignin, cornstarch, calcium zinc stabilizer, compatilizer, (maleic anhydride is grafted
EVA), plasticizer (epoxidized soybean oil), lubricant (stearic acid) are proportionally placed in heat in mixing machine and mix 30 minutes, and high speed is mixed
When conjunction stirring reaches 125 DEG C or so to temperature of charge, material is put into cooling in cold mixing pot rapidly, 40 DEG C or so is cooled to, obtains
To first mixed material;
(3) first mixed material being added to extruding pelletization in double screw extruder, temperature is 170 DEG C, revolving speed 15r/min,
Obtain lignin/starch/PVC film particle;
(4) lignin/starch/PVC film particle is put into single screw rod inflation film manufacturing machine, temperature is 170 DEG C, and engine speed is
1100r/min obtains lignin/starch/PVC film.
3 lignin of embodiment/starch/PVC film preparation
(1) its parts by weight component are as follows: PVC50 parts of thermoplastic, 30 parts of lignin, 10 parts of cornstarch, compatilizer
5 parts of (maleic anhydride is grafted EVA), 5 parts of calcium zinc stabilizer, 5 parts of plasticizer (epoxidized soybean oil), 5 parts of lubricant (stearic acid).
(2) it is matched according to said components, the lignin/starch/PVC film preparation method includes the following steps: (1)
It by the lignin drying in black liquid and crushes, sieving, obtains the lignin powder of 300 mesh;
(2) by thermoplastic PVC, lignin, cornstarch, calcium zinc stabilizer, compatilizer, (maleic anhydride is grafted
EVA), plasticizer (epoxidized soybean oil), lubricant (stearic acid) are proportionally placed in heat in mixing machine and mix 30 minutes, and high speed is mixed
When conjunction stirring reaches 125 DEG C or so to temperature of charge, material is put into cooling in cold mixing pot rapidly, 40 DEG C or so is cooled to, obtains
To first mixed material;
(3) first mixed material being added to extruding pelletization in double screw extruder, temperature is 170 DEG C, revolving speed 15r/min,
Obtain lignin/starch/PVC film particle;
(4) lignin/starch/PVC film particle is put into single screw rod inflation film manufacturing machine, temperature is 170 DEG C, and engine speed is
1100r/min obtains lignin/starch/PVC film.
4 lignin of embodiment/starch/PVC film preparation
(1) its parts by weight component are as follows: PVC50 parts of thermoplastic, 40 parts of lignin, 15 parts of compatilizer (horses of cornstarch
Maleic anhydride grafted EVA) 5 parts, 5 parts of calcium zinc stabilizer, 5 parts of plasticizer (epoxidized soybean oil), 5 parts of lubricant (stearic acid).
(2) it is matched according to said components, the lignin/starch/PVC film preparation method includes the following steps: (1)
It by the lignin drying in black liquid and crushes, sieving, obtains the lignin powder of 300 mesh;
(2) by thermoplastic PVC, lignin, cornstarch, calcium zinc stabilizer, compatilizer, (maleic anhydride is grafted
EVA), plasticizer (epoxidized soybean oil), lubricant (stearic acid) are proportionally placed in heat in mixing machine and mix 30 minutes, and high speed is mixed
When conjunction stirring reaches 125 DEG C or so to temperature of charge, material is put into cooling in cold mixing pot rapidly, 40 DEG C or so is cooled to, obtains
To first mixed material;
(3) first mixed material being added to extruding pelletization in double screw extruder, temperature is 170 DEG C, revolving speed 15r/min,
Obtain lignin/starch/PVC film particle;
(4) lignin/starch/PVC film particle is put into single screw rod inflation film manufacturing machine, temperature is 170 DEG C, and engine speed is
1100r/min obtains lignin/starch/PVC film.
The preparation of comparative example routine PVC film
(1) its parts by weight component are as follows: PVC85 parts of thermoplastic, 5 parts of calcium zinc stabilizer, plasticizer (epoxidized soybean oil)
5 parts, 5 parts of lubricant (stearic acid).
(2) the routine PVC film preparation method the following steps are included:
(1) by thermoplastic PVC, calcium zinc stabilizer, plasticizer (epoxidized soybean oil), lubricant (stearic acid), according to
When ratio is placed in mixing machine that heat is 30 minutes mixed, and mixed at high speed is stirred reaches 125 DEG C or so to temperature of charge, material is put rapidly
Enter cooling in cold mixing pot, be cooled to 40 DEG C or so, obtains just mixed material;
(2) first mixed material being added to extruding pelletization in double screw extruder, temperature is 170 DEG C, revolving speed 15r/min,
Obtain PVC film particle;
(3) PVC film particle is put into single screw rod inflation film manufacturing machine, temperature is 170 DEG C, and engine speed 1100r/min is obtained
To PVC film.
Performance test: conventional for lignin/starch/PVC film made from 1-4 of the embodiment of the present invention, comparative example respectively
PVC film carries out performance detection according to QB 1257-1991 " flexible PVC blown film film ", specific test result is as follows table one
It is shown:
One film performance testing result of table
By above-mentioned table one the experimental results showed that, after the present invention adds lignin appropriate and starch, lignin/starch/PVC
Not only cost reduces film, but also has good toughness, and it is " soft to meet QB 1257-1991 for stretch-proof, excellent performance not easy to break
Polyvinyl chloride blown film film " light industry standard requirements.Above-described embodiment is not for limitation of the invention, and the present invention is not only
It is limited to above-described embodiment, the present invention claims all belong to the scope of protection of the present invention as long as meeting.
Specific embodiments of the present invention are described in detail above, but it is merely an example, the present invention is simultaneously unlimited
It is formed on particular embodiments described above.To those skilled in the art, any couple of present invention carries out equivalent modifications and
Substitution is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of lignin/starch/PVC film, which is characterized in that lignin/starch/PVC film formula includes as follows
The component of parts by weight: thermoplastic PVC30~90 part, 10~40 parts of starch, 10~60 parts of lignin, calcium zinc stabilizer 1~5
Part, 2~10 parts of plasticizer, 2~10 parts of compatilizer, 1~5 part of lubricant.
2. lignin/starch/PVC film according to claim 1, which is characterized in that the lignin is black liquid
Lignin.
3. lignin/starch/PVC film according to claim 1, which is characterized in that the starch is cornstarch, wood
One or more of sweet potato starch, potato starch, pea starch or wheaten starch.
4. lignin/starch/PVC film according to claim 1, which is characterized in that the plasticizer is epoxy soybean
One of oil or citrate or a variety of mixtures.
5. lignin/starch/PVC film according to claim 1, which is characterized in that the compatilizer be maleic anhydride,
Acrylic acid, maleic anhydride graft PP, maleic anhydride grafting PE, maleic anhydride grafting POE, maleic anhydride grafting EVA, acrylic acid connect
One of branch PP, acrylic acid-grafted PE, acrylic acid-grafted POE, acrylic acid-grafted EVA or a variety of mixtures.
6. lignin/starch/PVC film according to claim 1, which is characterized in that the lubricant is stearic acid, firmly
One of resin acid calcium, zinc stearate, polyol ester, oleamide, microcrystalline wax, EBS or a variety of mixtures.
7. a kind of lignin as claimed in any one of claims 1 to 6/starch/PVC film preparation method, which is characterized in that
Include the following steps:
(1) by the lignin drying and crushing, sieving in black liquid, obtaining mesh number is 100 mesh~400 mesh lignin powder
End;
(2) it by thermoplastic PVC, lignin, starch, calcium zinc stabilizer, plasticizer, compatilizer, the lubricant of recipe ratio, sets
Mixed 20~40 minutes of heat in mixing machine, mixed at high speed stirs when reaching 110~130 DEG C to temperature of charge, rapidly puts material
Enter cooling in cold mixing pot, be cooled to 30~50 DEG C or so, obtains just mixed material;
(3) first mixed material is added to extruding pelletization in double screw extruder, temperature is 150~180 DEG C, and revolving speed is 10~30r/
Min obtains lignin/starch/PVC film particle;
(4) lignin/starch/PVC film particle is put into single screw rod blow moulding machine, temperature is 150~180 DEG C, engine speed
For 800~1200r/min, lignin/starch/PVC film is obtained.
8. lignin according to claim 7/starch/PVC film preparation method, which is characterized in that the step (2)
In, mixed at high speed, which is stirred to temperature of charge, reaches 115~120 DEG C.
9. lignin according to claim 7/starch/PVC film preparation method, which is characterized in that the step (3)
In, temperature is 170~175 DEG C, and revolving speed is 15~20r/min.
10. lignin according to claim 7/starch/PVC film preparation method, which is characterized in that the step
(4) in, temperature is 165~17 DEG C, and engine speed is 900~1000r/min.
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CN112250962A (en) * | 2020-10-10 | 2021-01-22 | 邦缔实业(天津)有限公司 | PVC (polyvinyl chloride) homogeneous transparent wood grain plastic floor and production process thereof |
CN112608568A (en) * | 2020-12-14 | 2021-04-06 | 宁波保税区君一汽配科技有限公司 | Degradable plastic and preparation method thereof |
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Application publication date: 20181207 |