CN102532660A - Solvent-resistant macromolecular blending material for injection molding - Google Patents
Solvent-resistant macromolecular blending material for injection molding Download PDFInfo
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- CN102532660A CN102532660A CN201110437659XA CN201110437659A CN102532660A CN 102532660 A CN102532660 A CN 102532660A CN 201110437659X A CN201110437659X A CN 201110437659XA CN 201110437659 A CN201110437659 A CN 201110437659A CN 102532660 A CN102532660 A CN 102532660A
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- 239000000463 material Substances 0.000 title claims abstract description 48
- 238000001746 injection moulding Methods 0.000 title claims abstract description 17
- 239000002904 solvent Substances 0.000 title abstract description 17
- 238000002156 mixing Methods 0.000 title abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 18
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 17
- 239000004743 Polypropylene Substances 0.000 claims abstract description 11
- 229920001155 polypropylene Polymers 0.000 claims abstract description 7
- -1 polypropylene Polymers 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 16
- 239000012296 anti-solvent Substances 0.000 claims description 15
- 229920000642 polymer Polymers 0.000 claims description 11
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical class O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 10
- 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 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 5
- 238000005453 pelletization Methods 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- 230000004927 fusion Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical group CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 2
- 239000004952 Polyamide Substances 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 229920002292 Nylon 6 Polymers 0.000 abstract description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract 2
- 229920006124 polyolefin elastomer Polymers 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 4
- 241000863032 Trieres Species 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000003317 industrial substance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 229940126680 traditional chinese medicines Drugs 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a macromolecular material, in particular to a solvent-resistant macromolecular blending material for injection molding. A homopolymerized polypropylene (PP) with good fluidity and poor impact strength and a high-density polyethylene (HDPE) with high impact strength and the fluidity to be not good enough are blended to obtain a material which is good in impact strength and fluidity. The PP and the HDPE are good in resistance to solvents (dimethylbenzene, acetone and the like), nylon 6 can be added into the blending material so as to improve various performances, polarity of the material is improved, and a polyolefin elastomer (POE) is added simultaneously so as to achieve toughening modification. The macromolecular material can meet various requirements of solvent resistance, fluidity, impact strength and the like.
Description
Technical field
The present invention relates to a kind of macromolecular material; Relate in particular to a kind of anti-solvent injection moulding and use polymer blended material; Material is mainly used in the polymer container of preparation packaging container of anti-solvent package the and high impact high workability, can use in industries such as industrial chemicals storing, medicine, agricultural chemicals, food, daily use chemicals.
Background technology
The Chemicals that contain solvent based at present are general uses in the iron bucket spraying pvdf (PVDF) coating to use, but coating is prone to come off when using, and causes content rotten, adds that the coating operation is cumbersome, and expense is obviously higher, and is uneconomical; A kind of in addition Glass Containers that is to use, major defect can cause product leakage at carrying and cracky in transit, causes bigger pollution; The material of common plastics bucket generally is PE and PP resin, but PE and PP bucket poor solvent resistance are prone to take place swelling effect; Patent documentation (a kind of method that improves COPP shock strength and fluidity of molten simultaneously for example; Application number/patent No.: 200910081766),, just be applicable to COPP though satisfy high workability and high impact; And COPP has the shortcoming of a maximum is exactly poor solvent resistance; Especially industrial chemicals can cause the container swelling even break when temperature is higher, causes serious consequences such as leak of liquid then, can't satisfy request for utilization.
Summary of the invention
The present invention seeks to provides a kind of anti-solvent injection moulding to use polymer blended preparation methods for addressing the above problem; Prepared macromolecular material satisfies high impact, high workability, solvent resistance simultaneously and obtains bigger raising, and is applicable to injection moulding processing.
To achieve these goals, the present invention is achieved in that
The first step, the preparation of experimental raw:
Starting material are mainly: the Vestolen PP 7052 of melt flow rate(MFR) in 20g/10min ~ 30g/10min scope under 230 ℃ of test conditions with 2.16kg pressure; Preferred PP 225; Melt flow rate(MFR) MFR=26g/10min (test condition: 230 ℃; 2.16kg), manufacturer: the Nanjing noon with mould the industry ltd.
Under 190 ℃ of test conditions with 2.16kg pressure melt flow rate(MFR) 0.5g/10min ~ 4.0g/10min scope in and notched Izod impact strength at 45KJ/m2 ~ 60KJ/m
2High density polyethylene(HDPE), preferred HDPE 5000S, (test condition: 190 ℃, 2.16kg), notched Izod impact strength is 45KJ/m to melt flow rate(MFR) MFR=0.9g/10min
2, manufacturer: raise sub-petrochemical industry.
Ethylene-octene copolymer, POE 8150, producer: du pont company.
Di Cumyl Peroxide 99 (DCP), initiator, technical grade, Shanghai Gaoqiao petrochemical industry.
Antioxidant 1010, Nanjing are raised sub-fine chemistry industry Ltd.
Polyamide 6 (nylon 6), Co., Ltd. of Ube Industries Ltd..
MALEIC ANHYDRIDE (MAH), analytical pure, the Long Huagongshijichang of Chengdu section.
Acetone, analytical pure, chemical agent ltd of traditional Chinese medicines group.
PP-g-MAH, polypropylene grafted maleic anhydride, self-control, prescription is seen table 1, the preparation route is as shown in Figure 1.
The prescription of table 1 preparation PP-g-MAH
| Title | Weight part |
| Vestolen PP 7052 PP 225 | 500 |
| Antioxidant 1010 | 1.5 |
| Di Cumyl Peroxide 99 (DCP) | 0.25 |
| MALEIC ANHYDRIDE (MAH) | 3 |
The used equipment of the present invention is seen table 2.
Table 2 major equipment
| Title | Model | The place of production |
| High-speed mixer (MAX8000 rev/min) | The ZRH-10 type | Fuxin City light industry mechanical & electrical equipment factory, Liaoning |
| The electric heating constant temperature air dry oven | The DHG-9140A type | The grand experimental installation of last Nereid ltd |
| Electronic balance | The JY10001 type | Last current chart is put down instrument ltd |
| The cocurrent and parallel twin screw extruder | The SHJ-35 type | Nanjing extensively reaches rubber and plastics machine factory |
| The electronic type universal trier | WDT30 | Shenzhen triumphant strong sharp test apparatus ltd |
| Radial-boom impact tester | XJU-22 | Chengde trier factory |
| The injection molding machine | HYF600 | Sea, Ningbo hawk plastics machinery ltd |
| The melt flow rate(MFR) trier | ZRZ-400 | The Shenzhen Sans Material Detection Co., Ltd |
The technological process of the preparation of PP-g-MAH and condition:
Accurately take by weighing PP, MAH, DCP and antioxidant 1010 by the prescription in the table 1, MAH is dissolved in the acetone, every 10ml acetone solution 3gMAH; Earlier Vestolen PP 7052 is added high-speed mixer; The acetone solution thing, DCP and the antioxidant 1010 that add MAH start high-speed mixer and mixed 2 minutes, after mixture is poured out; In stink cupboard, placed 5 minutes, subsequent use.
Open twin screw extruder, set forcing machine each section temperature such as table 3, material is added material bin; Start twin screw extruder main frame and frequency modulation rate to 10Hz, start reinforced motor, regulating rotating speed is feeding rotating speed: 10Hz; The material charging; Treat the fusion material from head extrude and get into normally extrude state after, with the extrudate check rod, pelletizing is subsequent use behind water-cooled and wind cold drying.
Treat material all extrude finish after, with acrylic resin extruder screw and barrel are cleared up, close reinforced power supply, main frame, each heating zone successively, close the forcing machine power supply at last.
Table 3 twin screw extruder is respectively distinguished temperature 1
| One district | Two districts | Three districts | Four districts | Five districts |
| 150℃ | 155℃ | 170℃ | 180℃ | 180℃ |
| Six districts | Seven districts | Eight districts | Nine districts | Head |
| 180℃ | 180℃ | 180℃ | 190℃ | 185℃ |
In second step, prepare anti-solvent injection moulding and use macromolecular material: principle is HOPP (PP) and the imperfect high density polyethylene(HDPE) of shock strength high workability (HDPE) blend that good fluidity, shock strength is relatively poor, obtains all materials preferably of shock strength and flowability; These solvent resistances of two kinds of materials (PP and HDPE) (YLENE, acetone etc.) own are better; In order further to improve each item performance, can also in blend, add nylon 6, increase the polarity of material; Add POE simultaneously and carry out toughening modifying; But the amount of POE can not be many, because its solvent resistance is relatively poor, and the many solvent resistances that can influence blend of amount.
The intermingling material of preparation is divided into two kinds, respectively according to the formulation of table 4 and table 5, and material solvent resistance that table 4 is prepared and bending strength ratio table 5 higher, but the shock strength of material, flowability and hardness ratio table 5 is low slightly.
The anti-solvent injection moulding of table 4 is with macromolecular material preparation prescription 1 (being weight part)
| PP 225 (part) | HDPE 5000S (part) | Ethylene-octene copolymer POE 8150 (part) | Antioxidant 1010 (part) |
| 25 | 75 | 5 | 0.3 |
The anti-solvent injection moulding of table 5 is with macromolecular material preparation prescription 2 (being weight part)
Prescription 4 and 5 by in the table accurately takes by weighing various batchings; Mix with high-speed mixer, through the twin screw extruder extruding pelletization, and oven dry; The temperature in the forcing machine extrusion Zhong Ge district that table 4 is corresponding is seen table 3, and the temperature in the forcing machine extrusion Zhong Ge district that table 5 is corresponding is seen table 6.
Table 6 twin screw extruder is respectively distinguished temperature 2
| One district | Two districts | Three districts | Four districts | Five districts |
| 150℃ | 165℃ | 180℃ | 200℃ | 210℃ |
| Six districts | Seven districts | Eight districts | Nine districts | Head |
| 220℃ | 220℃ | 220℃ | 220℃ | 220℃ |
Owing to adopted above-mentioned measure, so the macromolecular material of employing method preparation can satisfy each item requirements such as anti-solvent, flowability, shock strength.
Description of drawings
The preparation route synoptic diagram of Fig. 1 PP-g-MAH;
The SEM photo of the poyblend section of Fig. 2 the present invention preparation.
Embodiment
Testing standard:
The standard GB/T 1843-1996 of socle girder impact experiment;
The testing standard of flexural strength is GB/T 9341;
The oil absorbency test is carried out according to GB11547-89:
Omnipotent sampling machine is cut into the appearance of 5cm * 5cm, puts into 50 ℃ of (high temperature) YLENE 1-2 weeks then, takes out and dries surface solvent weighing (weighing finishes in 1 minute).High temperature test solvent resistance advantage down is that oil absorbency can reach capacity within a short period of time, has improved efficient.
Oil absorbency D (%) is calculated as follows:
D=（G2-G1）/G1?×100%
In the formula: the quality/g of sample behind G2-immersion oil
Quality/the g of sample before G1-immersion oil.
Embodiment 1
Accurately take by weighing various batchings by the prescription in the table 4, mix, through the twin screw extruder extruding pelletization with high-speed mixer; And oven dry, the temperature in the forcing machine extrusion Zhong Ge district that table 4 is corresponding is seen table 3, each item The performance test results of the macromolecular material of preparation is seen table 7; PP 30RA (Qilu Petrochemical) is the polypropylene material that enterprise is used for the Production and Packaging container in the table 7; Be COPP, through check, solvent resistance is not good; Through the data in the contrast table 7, can find out that the corresponding material solvent resistance of table 4 prescription has obtained bigger raising, shock strength and flowability are also suitable with PP 30RA, and flexural strength and Rockwell hardness improve more than PP 30RA.
Each item The performance test results of the macromolecular material of table 7 preparation
Embodiment 2
Accurately take by weighing various batchings by the prescription in the table 5, mix, through the twin screw extruder extruding pelletization with high-speed mixer; And oven dry, the temperature in the forcing machine extrusion Zhong Ge district that table 5 is corresponding is seen table 6, each item The performance test results of the macromolecular material of preparation is seen table 7; Through the data in the contrast table 7, can find out that the corresponding material solvent resistance of table 5 prescription has obtained bigger raising, more lower slightly than table 4 prescription; But shock strength and flowability, flexural strength and Rockwell hardness increase than PP 30RA; Especially mobile and Rockwell hardness improves more than PP 30RA, make electron-microscope scanning after the batten section that thrusts in the shock test is handled through metal spraying, and the result sees shown in Figure 2; Can find out that the interface is fuzzyyer, show that consistency is better between the system.
Claims (7)
1. polymer blended material is used in an anti-solvent injection moulding; It is characterized in that: said intermingling material calculates by weight: melt flow rate(MFR) polipropene 25 part 20g/10min ~ 30g/10min scope under 230 ℃ of test conditions with 2.16kg pressure, under 190 ℃ of test conditions with 2.16kg pressure melt flow rate(MFR) in 0.5g/10min ~ 4.0g/10min scope and notched Izod impact strength at 45KJ/m2 ~ 60KJ/m
275 parts of high density polyethylene(HDPE)s, 5 parts of ethylene-octene copolymers, 0.3 part of antioxidant 1010.
2. polymer blended material is used in an anti-solvent injection moulding; It is characterized in that: said intermingling material calculates by weight: melt flow rate(MFR) polipropene 25 part 20g/10min ~ 30g/10min scope under 230 ℃ of test conditions with 2.16kg pressure, under 190 ℃ of test conditions with 2.16kg pressure melt flow rate(MFR) in 0.5g/10min ~ 4.0g/10min scope and notched Izod impact strength at 45KJ/m2 ~ 60KJ/m
275 parts of high density polyethylene(HDPE)s, 10 parts of ethylene-octene copolymers, 10 parts of polyamide 6s, 3 parts of polypropylene grafted maleic anhydrides, 0.3 part of antioxidant 1010.
3. polymer blended material is used in according to claim 1 or claim 2 a kind of anti-solvent injection moulding, and it is characterized in that: said Vestolen PP 7052 is PP 225, melt flow rate(MFR) MFR=26g/10min, and test condition: 230 ℃, 2.16kg.
4. polymer blended material is used in according to claim 1 or claim 2 a kind of anti-solvent injection moulding; It is characterized in that: said high density polyethylene(HDPE) is HDPE 5000S, melt flow rate(MFR) MFR=0.9g/10min, test condition: 190 ℃; 2.16kg notched Izod impact strength is 45KJ/m
2
5. polymer blended material is used in according to claim 1 or claim 2 a kind of anti-solvent injection moulding, and it is characterized in that: said ethylene-octene copolymer is POE 8150.
6. polymer blended material is used in a kind of anti-solvent injection moulding as claimed in claim 2; It is characterized in that: the preparation method of said polypropylene grafted maleic anhydride is: accurately take by weighing PP 500 weight parts, MAH 3 weight parts, DCP 0.25 weight part and antioxidant 1010 1.5 weight parts, MAH is dissolved in the acetone, every 10ml acetone solution 3gMAH; Earlier Vestolen PP 7052 is added high-speed mixer; The acetone solution thing, DCP and the antioxidant 1010 that add MAH start high-speed mixer and mixed 2 minutes, after mixture is poured out; In stink cupboard, placed 5 minutes, subsequent use; Open twin screw extruder, set each section of forcing machine temperature, material is added material bin; Start twin screw extruder main frame and frequency modulation rate to 10Hz, start reinforced motor, regulating rotating speed is feeding rotating speed: 10Hz; The material charging; Treat the fusion material from head extrude and get into normally extrude state after, with the extrudate check rod, pelletizing is subsequent use behind water-cooled and wind cold drying.
7. polymer blended material is used in a kind of anti-solvent injection moulding as claimed in claim 6, it is characterized in that: said each section of setting forcing machine temperature refers to: a district, 150 ℃; Two districts, 155 ℃; Three districts, 170 ℃; Four districts, 180 ℃; Five districts, 180 ℃; Six districts, 180 ℃; Seven districts, 180 ℃; Eight districts, 180 ℃; Nine districts, 190 ℃; Head, 185 ℃.
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| CN 201110437659 CN102532660B (en) | 2011-12-23 | 2011-12-23 | Solvent-resistant macromolecular blending material for injection molding |
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| CN 201110437659 CN102532660B (en) | 2011-12-23 | 2011-12-23 | Solvent-resistant macromolecular blending material for injection molding |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610656A (en) * | 2015-01-29 | 2015-05-13 | 宝鸡石油机械有限责任公司 | High and low temperature resin material for plastic coating (impregnating) of steel wire ropes |
| CN105400053A (en) * | 2015-12-25 | 2016-03-16 | 广东威林工程塑料有限公司 | Micro permeability and low viscosity PE alloy material and preparation method thereof |
| CN107286294A (en) * | 2017-06-23 | 2017-10-24 | 常州大学 | It is a kind of for compatilizer of PP/PS extrusion moldings and preparation method thereof |
| CN107880353A (en) * | 2017-11-22 | 2018-04-06 | 常州大学 | A kind of solvent resistant polymer composite and its preparation method and application |
| CN108976596A (en) * | 2018-07-03 | 2018-12-11 | 江苏龙灯博士摩包装材料有限公司 | The plastic containers and preparation method thereof of high-purity chemicals dress filling |
| CN112391006A (en) * | 2020-11-12 | 2021-02-23 | 江苏金发科技新材料有限公司 | Wear-resistant self-lubricating polypropylene alloy composition and preparation method thereof |
| CN114672088A (en) * | 2022-04-12 | 2022-06-28 | 张瑞洋 | HDPE and PA blended foaming board |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880416A (en) * | 2010-06-03 | 2010-11-10 | 潘少白 | Manufacturing method of flame retardant filter acid film on battery safety valve |
-
2011
- 2011-12-23 CN CN 201110437659 patent/CN102532660B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880416A (en) * | 2010-06-03 | 2010-11-10 | 潘少白 | Manufacturing method of flame retardant filter acid film on battery safety valve |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610656A (en) * | 2015-01-29 | 2015-05-13 | 宝鸡石油机械有限责任公司 | High and low temperature resin material for plastic coating (impregnating) of steel wire ropes |
| CN105400053A (en) * | 2015-12-25 | 2016-03-16 | 广东威林工程塑料有限公司 | Micro permeability and low viscosity PE alloy material and preparation method thereof |
| CN105400053B (en) * | 2015-12-25 | 2018-06-19 | 广东威林工程塑料有限公司 | A kind of micro- permeability low viscosity PE alloy materials and preparation method thereof |
| CN107286294A (en) * | 2017-06-23 | 2017-10-24 | 常州大学 | It is a kind of for compatilizer of PP/PS extrusion moldings and preparation method thereof |
| CN107286294B (en) * | 2017-06-23 | 2019-12-31 | 常州大学 | Compatilizer for PP/PS extrusion molding and preparation method thereof |
| CN107880353A (en) * | 2017-11-22 | 2018-04-06 | 常州大学 | A kind of solvent resistant polymer composite and its preparation method and application |
| CN107880353B (en) * | 2017-11-22 | 2020-08-14 | 常州大学 | Solvent-resistant polymer composite material and preparation method and application thereof |
| CN108976596A (en) * | 2018-07-03 | 2018-12-11 | 江苏龙灯博士摩包装材料有限公司 | The plastic containers and preparation method thereof of high-purity chemicals dress filling |
| CN112391006A (en) * | 2020-11-12 | 2021-02-23 | 江苏金发科技新材料有限公司 | Wear-resistant self-lubricating polypropylene alloy composition and preparation method thereof |
| CN114672088A (en) * | 2022-04-12 | 2022-06-28 | 张瑞洋 | HDPE and PA blended foaming board |
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| CN102532660B (en) | 2013-10-30 |
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