CN111848875A - Antibacterial LDPE produced by grafting reaction extrusion and preparation process thereof - Google Patents
Antibacterial LDPE produced by grafting reaction extrusion and preparation process thereof Download PDFInfo
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- CN111848875A CN111848875A CN202010563481.2A CN202010563481A CN111848875A CN 111848875 A CN111848875 A CN 111848875A CN 202010563481 A CN202010563481 A CN 202010563481A CN 111848875 A CN111848875 A CN 111848875A
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- ldpe
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- 229920001684 low density polyethylene Polymers 0.000 title claims abstract description 49
- 239000004702 low-density polyethylene Substances 0.000 title claims abstract description 49
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 21
- 238000001125 extrusion Methods 0.000 title claims abstract description 20
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract 18
- 238000002360 preparation method Methods 0.000 title claims description 8
- -1 2-acryloyloxyethyl Chemical group 0.000 claims abstract description 26
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229960003237 betaine Drugs 0.000 claims abstract description 15
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000012975 dibutyltin dilaurate Substances 0.000 claims abstract description 10
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract 3
- 239000003963 antioxidant agent Substances 0.000 claims description 16
- 230000003078 antioxidant effect Effects 0.000 claims description 16
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000314 lubricant Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N methyl pentane Natural products CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims 2
- 239000000178 monomer Substances 0.000 abstract description 10
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract description 2
- 230000009471 action Effects 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract description 2
- 239000003999 initiator Substances 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- KHSLHYAUZSPBIU-UHFFFAOYSA-M benzododecinium bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 KHSLHYAUZSPBIU-UHFFFAOYSA-M 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000001282 organosilanes Chemical class 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- IFGPIJRMICXHER-UHFFFAOYSA-N 1-prop-2-enylpiperidin-4-one Chemical compound C=CCN1CCC(=O)CC1 IFGPIJRMICXHER-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
-
- 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
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- 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
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/37—Thiols
- C08K5/372—Sulfides, e.g. R-(S)x-R'
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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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)
- Lubricants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a grafting reaction extrusion production antibacterial LDPE, which is characterized in that in the LDPE extrusion process, an antibacterial functional monomer N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine and an antibacterial monomer 1-allyltetrahydro-4 (1H) -pyridone with synergistic effect are added, the antibacterial functional monomer is grafted to a LDPE molecular chain under the action of an initiator DBPH (2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane) and a catalyst dibutyltin dilaurate, and the monomer N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine containing betaine is introduced to the molecular chain of the LDPE prepared by the grafting reaction, the grafted LDPE has strong antibacterial effect, and the antistatic property and the physical and mechanical properties of the LDPE are improved to a great extent; in addition, a monomer 1-allyl tetrahydro-4 (1H) -pyridone containing a pyridine group is introduced into the molecular chain of the LDPE, so that the antibacterial effect of the LDPE is further improved.
Description
Technical Field
The invention relates to antibacterial LDPE produced by grafting reaction extrusion and a preparation process thereof.
Background
LDPE (low density polyethylene) is a general thermoplastic high polymer material, has good physical and mechanical properties, and is widely applied to food, packaging, kitchen supplies, household appliances, daily necessities and the like. With the rapid development of polymer material industry, antibacterial polymer materials are becoming the development trend in the future.
The LDPE has no antibacterial property, is very easy to be infected with and breed various pathogenic bacteria in the using process, and brings great harm to the health of people. Blending is commonly used to add antimicrobial agents to LDPE materials,
although the antibacterial effect is constant, the precipitation is easy and the effect is limited.
Disclosure of Invention
The invention aims to overcome the defects of poor antibacterial performance of an LDPE material in the prior art and provides antibacterial LDPE obtained through a grafting reaction and a preparation method thereof.
In order to solve the technical problems, the invention provides the following technical scheme:
the antibacterial LDPE produced by the grafting reaction extrusion comprises the following components in parts by weight:
100 portions of LDPE
5-7 parts of N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine
3-5 parts of 1-allyltetrahydro-4 (1H) -pyridone
0.3-0.5 part of 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane, 0.2-0.3 part of dibutyltin dilaurate, and 10100.2-0.25 part of antioxidant
0.3-0.35 part of antioxidant DLTP
0.8-1.0 parts of EBS (lubricant).
Further, the antibacterial LDPE produced by the grafting reaction extrusion comprises the following components in parts by weight:
100 portions of LDPE
6 parts of N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine
4 parts of 1-allyltetrahydro-4 (1H) -pyridone
0.4 part of dibutyltin dilaurate 0.2-0.3 part of 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane and 10100.2-0.25 part of antioxidant
0.3-0.35 part of antioxidant DLTP
0.8-1.0 parts of EBS (lubricant).
The preparation process for producing the antibacterial LDPE by grafting reaction extrusion comprises the following steps:
s1, extruding on a double-screw extruder with the length-diameter ratio L/D being 48, wherein the double-screw extruder is provided with 12 sections and 3 feed inlets, the first feed inlet is positioned at the position of the extruder 1D, the second feed inlet is positioned at the position of SD of the fifth section of the extruder, and the third feed inlet is positioned at the position of 7D of the seventh section of the extruder;
s2, sequentially feeding LDPE at a feeding rate of 68-80 kg/h from a first feeding hole 1D according to the proportion;
S3, mixing N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine,
Feeding 1-allyltetrahydro-4 (1H) -pyridone, 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane and dibutyltin dilaurate from a second feeding hole 5D according to a ratio of 5.6-7 kg/H, carrying out grafting reaction, gradually increasing the extrusion processing temperature from 90-100 ℃ in a first section to 220 ℃ in a seventh section, and gradually reducing the extrusion temperature of the tail section of an extruder to about 140-150 ℃;
s4, mixing the antioxidant 1010, the antioxidant DLTP and the EBS (lubricant), and then locating the mixture at 7D of the seventh section of the extruder from the third feed inlet at the rate of 0.5 +/-0.1 kg/h.
Further, the process temperature of each section in S4 is set as follows:
90-100 ℃, 170-180 ℃, 180-190 ℃, 190-200 ℃, 190-20 ℃, 200-210 ℃, 210-220 ℃, 190-200 ℃, 170-180 ℃, 150-160 ℃ and 140-150 ℃.
Further, in S2, LDPE was added at a feed rate of 75kg/h, the running rate of the twin-screw extruder was 120r/min, and the feed rate in S3 was 6.2 kg/h; the feed rate in S4 was 0.46 kg/h.
The invention has the following beneficial effects: in the invention, in the LDPE extrusion process, an antibacterial functional monomer N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine and an antibacterial monomer 1-allyltetrahydro-4 (1H) -pyridone with synergistic effect are added, the antibacterial functional monomer is grafted to a molecular chain of LDPE under the action of an initiator DBPH (2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane) and a catalyst dibutyltin dilaurate, and the monomer N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine containing betaine amine group is introduced into the molecular chain of the LDPE prepared by grafting reaction, so that the LDPE after the grafting reaction, not only has strong antibacterial effect, but also greatly improves the antistatic property and the physical and mechanical properties; in addition, a monomer 1-allyl tetrahydro-4 (1H) -pyridone containing a pyridine group is introduced into the molecular chain of the LDPE, so that the antibacterial effect of the LDPE is further improved.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Examples
The antibacterial LDPE produced by grafting reaction extrusion comprises the following components in parts by weight:
comparative example 1
100 portions of LDPE
6 parts of N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine
4 parts of 1-allyltetrahydro-4 (1H) -pyridone
2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane 0.4 part
0.2-0.3 part of dibutyltin dilaurate
10100.2-0.25 part of antioxidant
0.3-0.35 part of antioxidant DLTP
0.8-1.0 parts of EBS (lubricant).
The preparation process for producing the antibacterial LDPE by grafting reaction extrusion comprises the following steps:
s1, extruding on a double-screw extruder with the length-diameter ratio L/D being 48, wherein the double-screw extruder is provided with 12 sections and 3 feed inlets, the first feed inlet is positioned at the position of the extruder 1D, the second feed inlet is positioned at the position of SD of the fifth section of the extruder, and the third feed inlet is positioned at the position of 7D of the seventh section of the extruder;
s2, sequentially feeding LDPE at a feeding rate of 75kg/h from a first feeding hole 1D according to the proportion, wherein the running rate of a double-screw extruder is 120 r/min;
S3, mixing N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine,
1-allyltetrahydro-4 (1H) -pyridinone, 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane, dibutyltin dilaurate were fed at a ratio of 6.2kg/H from the second feed inlet 5D to carry out the grafting reaction, and the process temperature in each section was set as follows:
90-100 ℃, 170-180 ℃, 180-190 ℃, 190-200 ℃, 190-20 ℃, 200-210 ℃, 210-220 ℃, 190-200 ℃, 170-180 ℃, 150-160 ℃ and 140-150 ℃;
s4, mixing the antioxidant 1010, the antioxidant DLTP and the EBS (lubricant), and then positioning the mixture at 7D of the seventh section of the extruder from the third feed inlet at a feed rate of 0.46 kg/h.
Comparative formulation test: antibacterial LDPE prepared by adding antibacterial agent
The LDPE comprises the following components in parts by weight:
100 portions of LDPE
30 parts of dodecyl dimethyl benzyl ammonium bromide, 1.0 part of organosilane coupling agent KH-5500.8, 0.25 part of antioxidant 10100.2
0.3-0.35 part of antioxidant DLTP
0.8-1.0 parts of EBS (lubricant).
S1, extruding on a twin screw extruder with a length to diameter ratio L/D of 48, said twin screw extruder being provided with 12 sections, with 1 feed port located at extruder 1D;
S2, adding an organosilane coupling agent KH-550 into dodecyl dimethyl benzyl ammonium bromide, and stirring for 10-12 minutes in a high-speed mixer;
s3, adding LDPE, the antioxidant 1010, the antioxidant DLTP and EBS (lubricant) into a high-speed mixer, mixing and stirring for 5-6 minutes, and discharging for later use;
s4, adding the LDPE mixture into a feeding port of a twin-screw extruder running at 120r/min at a feeding rate of 85 kg/h;
the process temperature settings for each section were as follows:
110-120 ℃, 130-140 ℃, 150-160 ℃, 160-170 ℃, 170-180 ℃, 180-190 ℃, 190-200 ℃, 200-210 ℃, 180-190 ℃, 170-180 ℃, 160-170 ℃ and 140-150 ℃.
1. Typical Performance determination
2. And (3) aging performance test:
the test method is based on GB/T3512-2001 standard
And (3) testing conditions are as follows: and (3) testing temperature: 100 +/-2 DEG C
And (3) testing time: 168h
3. LDPE products antibacterial property test (according to GB/T31402-2015 test standard)
The special material sources are as follows:
1. n- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine was purchased from chemical Co., Ltd, Kyowa Wan;
2. 1-allyltetrahydro-4 (1H) -pyridinone purchased from Shanghai monogroup industries, Inc.;
3. dodecyl dimethyl benzyl ammonium bromide was purchased from Hubei Jusheng technology, Inc.;
4. The organosilane coupling agent KH-550 was purchased from commercial chemical Co., Ltd.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The antibacterial LDPE produced by the grafting reaction extrusion is characterized by comprising the following components in parts by weight:
100 portions of LDPE
5-7 parts of N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine
3-5 parts of 1-allyltetrahydro-4 (1H) -pyridone
0.3-0.5 part of 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane
0.2-0.3 part of dibutyltin dilaurate
10100.2-0.25 part of antioxidant
0.3-0.35 part of antioxidant DLTP
0.8-1.0 parts of EBS (lubricant).
2. The grafting reaction extrusion production antibacterial LDPE according to claim 1, which comprises the following components in parts by weight:
100 portions of LDPE
6 parts of N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine
4 parts of 1-allyltetrahydro-4 (1H) -pyridone
2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane 0.4 part
0.2-0.3 part of dibutyltin dilaurate
10100.2-0.25 part of antioxidant
0.3-0.35 part of antioxidant DLTP
0.8-1.0 parts of EBS (lubricant).
3. The preparation process for producing the antibacterial LDPE by the grafting reaction extrusion as claimed in claim 1, which is characterized by comprising the following steps:
s1, extruding on a double-screw extruder with the length-diameter ratio L/D being 48, wherein the double-screw extruder is provided with 12 sections and 3 feed inlets, the first feed inlet is positioned at the position of the extruder 1D, the second feed inlet is positioned at the position of SD of the fifth section of the extruder, and the third feed inlet is positioned at the position of 7D of the seventh section of the extruder;
s2, sequentially feeding LDPE at a feeding rate of 68-80 kg/h from a first feeding hole 1D according to the proportion;
s3, mixing N- (2-acryloyloxyethyl) -N, N-dimethyl-N- (3-thiopropyl) betaine amine,
Feeding 1-allyltetrahydro-4 (1H) -pyridone, 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane and dibutyltin dilaurate from a second feeding hole 5D according to a ratio of 5.6-7 kg/H, carrying out grafting reaction, gradually increasing the extrusion processing temperature from 90-100 ℃ in a first section to 220 ℃ in a seventh section, and gradually reducing the extrusion temperature of the tail section of an extruder to about 140-150 ℃;
S4, mixing the antioxidant 1010, the antioxidant DLTP and the EBS (lubricant), and then locating the mixture at 7D of the seventh section of the extruder from the third feed inlet at the rate of 0.5 +/-0.1 kg/h.
4. The preparation process for producing antibacterial LDPE by grafting reaction extrusion according to claim 3, wherein the process temperature of each section in S4 is set as follows:
90-100 ℃, 170-180 ℃, 180-190 ℃, 190-200 ℃, 190-20 ℃, 200-210 ℃, 210-220 ℃, 190-200 ℃, 170-180 ℃, 150-160 ℃ and 140-150 ℃.
5. The process for preparing antibacterial LDPE by grafting reaction extrusion according to claim 3, wherein the LDPE is added at a feeding rate of 75kg/h in S2, the running rate of a twin-screw extruder is 120r/min, and the feeding rate in S3 is 6.2 kg/h; the feed rate in S4 was 0.46 kg/h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010563481.2A CN111848875A (en) | 2020-06-19 | 2020-06-19 | Antibacterial LDPE produced by grafting reaction extrusion and preparation process thereof |
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| CN202010563481.2A CN111848875A (en) | 2020-06-19 | 2020-06-19 | Antibacterial LDPE produced by grafting reaction extrusion and preparation process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909481A (en) * | 2020-07-20 | 2020-11-10 | 江苏宝安电缆有限公司 | Antibacterial LDPE produced by grafting reactive extrusion and preparation method thereof |
| CN112457448A (en) * | 2020-11-26 | 2021-03-09 | 江苏宝源高新电工有限公司 | LDPE polymer with high temperature resistance and high performance and preparation method thereof |
-
2020
- 2020-06-19 CN CN202010563481.2A patent/CN111848875A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909481A (en) * | 2020-07-20 | 2020-11-10 | 江苏宝安电缆有限公司 | Antibacterial LDPE produced by grafting reactive extrusion and preparation method thereof |
| CN112457448A (en) * | 2020-11-26 | 2021-03-09 | 江苏宝源高新电工有限公司 | LDPE polymer with high temperature resistance and high performance and preparation method thereof |
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