CN105647010A - Preparation method and application of novel anti-adhesion foamed polypropylene-based light stabilizer - Google Patents
Preparation method and application of novel anti-adhesion foamed polypropylene-based light stabilizer Download PDFInfo
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- CN105647010A CN105647010A CN201610084562.8A CN201610084562A CN105647010A CN 105647010 A CN105647010 A CN 105647010A CN 201610084562 A CN201610084562 A CN 201610084562A CN 105647010 A CN105647010 A CN 105647010A
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 59
- -1 polypropylene Polymers 0.000 title claims abstract description 58
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 58
- 239000004611 light stabiliser Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 229920000642 polymer Polymers 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 239000004088 foaming agent Substances 0.000 claims description 4
- 238000005453 pelletization Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 238000013019 agitation Methods 0.000 claims 1
- 239000004566 building material Substances 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 239000002775 capsule Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract 2
- 239000000945 filler Substances 0.000 abstract 1
- 238000005187 foaming Methods 0.000 abstract 1
- 239000004597 plastic additive Substances 0.000 abstract 1
- 238000003672 processing method Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
-
- 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
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of plastic additives, in particular to an anti-adhesion foamed polypropylene-based light stabilizer, and a preparation method and application thereof. The preparation method is characterized in that foamed polypropylene is used as a carrier, and 2,2,6, 6-tetramethyl-4-piperidine stearate which is colloidal at room temperature is wrapped into the foamed polypropylene in a filler form by using the foamed polypropylene as the carrier under normal pressure or applying a certain negative pressure to prepare the capsule-shaped foamed polypropylene-based light stabilizer. Compared with the prior art, the invention has the following beneficial effects: the polymer foaming base light stabilizer prepared by the invention has simple process, few control points and is convenient for large-scale production; the product applicability is strong; the energy consumption in the production process is low; the application range of the colloidal light stabilizer 2,2,6, 6-tetramethyl-4-piperidine stearate is expanded, and the problem of adhesion in the traditional processing method is solved through the capsule bearing mode.
Description
Technical field
The present invention relates to the preparation method of a kind of novel anti expanded polypropylene based light stabilizers and application
Background technology
2; 2; 6; 6-tetramethyl-4-piperidines stearate is a kind of efficient low molecular weight hindered amine light stabilizer; it is widely used in the field of polymer technology such as polyolefin plastics, polyurethane, ABS resin, coating, binding agent, rubber at present, can effectively protect polymer to contact, from ultraviolet radiation and long term thermal, the degraded caused. But 2,2,6,6-tetramethyl-4-piperidines stearate there is a disadvantage in that fusing point is relatively low, 2,2,6, the melting point onset of 6-tetramethyl-4-piperidines stearate is about 28 DEG C, this also implies that under room temperature 2,2,6,6-tetramethyl-4-piperidines stearate is likely liquid, no matter from goods transport aspect or from processing blended consideration competitiveness all not as the solid light stabilizer of equal authenticity when liquid light stabilizer is applied in plastics, rubber and polyurethane field. For these people use 2,2,6,6-tetramethyl-4-piperidines stearates stably use as light time be processed into more master batch use, therefore also form a collection of competitive with polypropylene be base material functional agglomerate product as5585��3853PP5 etc. But people find when using 2,2,6,6-tetramethyl-4-piperidines stearate functional agglomerate product, through transporting and parking,5585��All can there is precipitation caking phenomenon in a series of product such as 3853PP5, limits their application prospect.
Summary of the invention
It is desirable to provide the preparation method of a kind of novel anti expanded polypropylene based light stabilizers and application. The specifically light stabilizer functional agglomerate of a kind of expanded polypropylene base 2,2,6,6-tetramethyl-4-piperidines stearic acid esters. It is characterized in that light stabilizer 2,2,6,6-tetramethyl-4-piperidines stearate is embedded in EXTRUSION FOAMED PP granule at atmospheric or subatmospheric pressures, forms expanded polypropylene parcel 2,2,6, the capsule form of 6-tetramethyl-4-piperidines stearate, the expansion ratio of expanded polypropylene is adjustable, and mixing proportion is adjustable. Compared to traditional to extrude 2,2,6, the 6-tetramethyl-4-piperidines stearates that polypropylene is carrier, this method has the advantages such as simple, easy, power consumption is few;Extend the range of application of gluey light stabilizer 2,2,6,6-tetramethyl-4-piperidines stearate; The adhesive problem that traditional diamond-making technique occurs is improved by the bearing mode of capsule.
Specifically a kind of with expanded polypropylene for carrier, by normal pressure or negative pressure, 2,2,6,6-tetramethyl-4-piperidines stearic acid esters are embedded in expanded polypropylene to be formed the light stabilizer of expanded polypropylene base capsule form.
Specifically comprise the following steps that
1. prepare foamable polymer.
(1) by polypropylene, nucleator in proportion fully mixing make mixture, the addition of nucleator is 0.5%-0.8%
(2) feeding the mixture in twin-screw extruder barrel, foaming agent adds in melt zone position, and described foaming agent is supercritical carbon dioxide;
(3) extruder screw rotating speed 200r/min, machine barrel set from feeding section to outlet each several part temperature and are followed successively by 165,175,185,180,180,180,180,175,175 DEG C, each section of temperature of Melt Pump is initially set 170,170,165 DEG C, and die temperature is 170 DEG C;
(4) start shooting and prepare expanded polypropylene after extruded, tie rod, air-cooled, pelletizing, drying process.
2. 2,2,6,6-tetramethyl-4-piperidines stearates after preheating are added in agitators, normal pressure or under negative pressure, whipping process is gradually added into expanded polypropylene to finite concentration.
Preferably, described 2,2,6,6-tetramethyl-4-piperidines stearates can adjust with the charging sequence of expanded polypropylene;
Preferably, preheating method is air dry oven preheating, and preheating temperature is 50-60 DEG C;
Preferably, mixing speed is 40rpm-90rpm;
Preferably, described negative pressure is provided by the mode of evacuation.
Herein described expanded polypropylene based light stabilizers capsule is except own described 2,2,6, outside 6-tetramethyl-4-piperidines stearate and expanded polypropylene, the present composition can also include the additive of other liquid, includes but are not limited to light stabilizer 2,2,6,6-tetramethyl-4-piperidines stearates;
Relative to existing product, the invention have the advantages that and beneficial effect:
Of the present invention preparing expanded polypropylene base fluid body light stabilizer, technique is simple, and control point is few, it is simple to large-scale production; The product suitability is strong; Less energy consumption in production process; Extend the range of application of liquid light stabilizer, and by 2,2,6,6-tetramethyl-4-piperidines stearates are formed capsule structure with expanded polypropylene, compared to equivalents, resistance to blocking significantly improves.
Accompanying drawing explanation
Fig. 1 is the experimental result picture of embodiment 4.
Detailed description of the invention
Now by following example, the present invention being described, described embodiment is not limited to the scope of the present invention. In conjunction with outlined above and detailed description, described embodiment is for being further appreciated by the present invention.
Embodiment 1
The preparation method of a kind of expanded polypropylene based light stabilizers is; Weigh the 2 of 20g, 2,6,6-tetramethyl-4-piperidines stearate adds in agitator after using air dry oven 50 DEG C preheating, at room temperature it is gradually added into the expanded polypropylene of 80g, under the rotating speed of 50rpm, stir 30min, mix homogeneously, place 30min and ensure that liquid is foamed polypropylene completely and absorbs. This expanded polypropylene based light stabilizers can be applicable in polypropylene matrix material such as polypropylene applications such as refrigerator door spacer, bumper, automobile instrument panels, and addition is about 0.75wt.%.
Embodiment 2
The preparation method of a kind of expanded polypropylene based light stabilizers is; Weigh the 2 of 40g, 2,6,6-tetramethyl-4-piperidines stearate adds in agitator after using air dry oven 60 DEG C preheating, at room temperature it is gradually added into the expanded polypropylene of 60g, under the rotating speed of 60rpm, stir 40min, mix homogeneously, place 30min and ensure that liquid is foamed polypropylene completely and absorbs.This expanded polypropylene based light stabilizers can be applicable in polypropylene matrix material such as polypropylene applications such as refrigerator door spacer, bumper, automobile instrument panels, and addition is about 0.4wt.%.
Embodiment 3
The preparation method of a kind of expanded polypropylene based light stabilizers is; Weigh the 2,2,6 of 80g, add in anchor formula or helix(ribbon type) agitator after the preheating of 6-tetramethyl-4-piperidines stearate, be at room temperature gradually added into the expanded polypropylene of 20g, under the rotating speed of 70rpm, stir 40min, mix homogeneously, places 30min and ensures that liquid is foamed polypropylene completely and absorbs. This expanded polypropylene based light stabilizers can be applicable in polypropylene matrix material such as polypropylene applications such as refrigerator door spacer, bumper, automobile instrument panels, and addition is about 0.2wt.%.
Embodiment 4
The adhesion inhibiting properties that above-described embodiment is prepared gained expanded polypropylene based light stabilizers is contrasted with traditional business-like light stabilizer prepared by extruding pelletization. Method of contrast and experimental provision are as follows.
Experimental technique: apply 500g pressure on 25g light stabilizer, places 24h at 60 DEG C, is inverted, knocks, extrudes.
Experimental result is as shown in Figure 1.
Remarks: it is 5596 that above-mentioned sample is followed successively by from left to right, N845,5585P, 3853PP5 and 5585; Wherein 585P is expanded polypropylene base 2,2,6,6-tetramethyl-4-piperidines stearate capsule, all the other be by extruding pelletization prepare with polypropylene for base material 2,2,6,6-tetramethyl-4-piperidines stearate; 5596 for adding certain flow control three component, and the active constituent content of 5 kinds of samples is certain.
Interpretation: be can be seen that by experimental result, at a certain temperature, apply precipitation degree after certain pressure is parked to be reflected by the remaining amount of auxiliary of vessel surface, 5585P is minimum, and 5596 take second place, be followed successively by 5585 subsequently, 3853PP5, adhesive worst for for N845.
The present invention can summarizing without prejudice to the spirit of the present invention or the concrete form of principal character with other. Therefore, no matter from which point, the embodiment above of the present invention all can only think that the description of the invention can not limit the present invention, claims indicate the scope of the present invention, and the scope of the present invention is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present invention and scope, all it is considered as being included in the scope of claims of the present invention.
Claims (10)
1. the preparation method of an expanded polypropylene based light stabilizers, it is characterised in that it is made up of the raw material of following mass percent:
Foamable polymer 80wt.%-20wt.%;
2,2,6,6-tetramethyl-4-piperidines stearate 20wt.%-80wt.%
Its preparation method is as follows: take 2,2,6,6-tetramethyl-4-piperidines stearates, preheating, adds foamable polymer, mechanical agitation at atmospheric or subatmospheric pressures, stirs.
2. expanded polypropylene based light stabilizers preparation method according to claim 1, it is characterised in that preparation process is as follows:
(1) by polypropylene, nucleator in proportion fully mixing make mixture;
(2) feeding the mixture in twin-screw extruder barrel, foaming agent adds in melt zone position;
(3) extruder screw rotating speed 200r/min, machine barrel set from feeding section to outlet each several part temperature that to be followed successively by be 165,175,185,180,180,180,180,175,175 DEG C, each section of temperature of Melt Pump is initially set 170,170,165 DEG C, and die temperature is 170 DEG C;
(4) start shooting and prepare expanded polypropylene after extruded, tie rod, air-cooled, pelletizing, drying process.
3. the preparation method of expanded polypropylene based light stabilizers according to claim 1, is characterized by that described preheating is preferably used air dry oven preheating, and preheating temperature is 50-60 DEG C.
4. the preparation method of expanded polypropylene based light stabilizers according to claim 1, is characterized by that described negative pressure provides preferably by the mode of evacuation.
5. expanded polypropylene based light stabilizers according to claim 1, is characterized by that described mixing speed is 50-90rpm.
6. the preparation method of expanded polypropylene based light stabilizers according to claim 1, is characterized by adjustable expanded polypropylene and 2,2,6,6-tetramethyl-4-piperidines stearate charging sequences.
7. the preparation method of expanded polypropylene based light stabilizers according to claim 2, is characterized by that described nucleator is inorganic nucleator, addition 0.5%-0.8%.
8. the preparation method of expanded polypropylene based light stabilizers according to claim 2, is characterized by, described nucleator is at least one in Pulvis Talci, calcium carbonate, Silicon stone, aluminium oxide.
9. the preparation method of expanded polypropylene based light stabilizers according to claim 2, it is characterised in that foaming agent is supercritical carbon dioxide.
10. the preparation method described in claim 1-9 is prepared from the application in building materials field, automobile interior exterior gorget territory, packaging field, field of electronics and medical apparatus and instruments of the polypropylene-base stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610084562.8A CN105647010A (en) | 2016-02-14 | 2016-02-14 | Preparation method and application of novel anti-adhesion foamed polypropylene-based light stabilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610084562.8A CN105647010A (en) | 2016-02-14 | 2016-02-14 | Preparation method and application of novel anti-adhesion foamed polypropylene-based light stabilizer |
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| CN105647010A true CN105647010A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610084562.8A Pending CN105647010A (en) | 2016-02-14 | 2016-02-14 | Preparation method and application of novel anti-adhesion foamed polypropylene-based light stabilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041616A (en) * | 2019-04-29 | 2019-07-23 | 宿迁联盛科技股份有限公司 | Anti- 3853 master batch of precipitation light stabilizer of one kind and preparation method thereof |
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|---|---|---|---|---|
| WO2000040644A2 (en) * | 1999-01-08 | 2000-07-13 | Cognis Deutschland Gmbh | Method of producing chargeable plastic foams |
| CN101698726A (en) * | 2009-11-04 | 2010-04-28 | 苏州旭光聚合物有限公司 | Scratch-resistant modified polypropylene composite material and preparation method thereof |
| CN101817953A (en) * | 2009-10-30 | 2010-09-01 | 苏州旭光聚合物有限公司 | Low-diffusion modified polypropylene composite material and preparation method thereof |
| CN104744823A (en) * | 2015-03-24 | 2015-07-01 | 合肥创新轻质材料有限公司 | Porous polymer carrier material and preparation method thereof |
-
2016
- 2016-02-14 CN CN201610084562.8A patent/CN105647010A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000040644A2 (en) * | 1999-01-08 | 2000-07-13 | Cognis Deutschland Gmbh | Method of producing chargeable plastic foams |
| CN101817953A (en) * | 2009-10-30 | 2010-09-01 | 苏州旭光聚合物有限公司 | Low-diffusion modified polypropylene composite material and preparation method thereof |
| CN101698726A (en) * | 2009-11-04 | 2010-04-28 | 苏州旭光聚合物有限公司 | Scratch-resistant modified polypropylene composite material and preparation method thereof |
| CN104744823A (en) * | 2015-03-24 | 2015-07-01 | 合肥创新轻质材料有限公司 | Porous polymer carrier material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041616A (en) * | 2019-04-29 | 2019-07-23 | 宿迁联盛科技股份有限公司 | Anti- 3853 master batch of precipitation light stabilizer of one kind and preparation method thereof |
| CN110041616B (en) * | 2019-04-29 | 2021-12-03 | 宿迁联盛科技股份有限公司 | Anti-precipitation light stabilizer 3853 master batch and preparation method thereof |
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Effective date of registration: 20180418 Address after: 264006 No. 2, No. 9-2, odd Hill Road, Yantai economic and Technological Development Zone, Shandong Applicant after: Yantai newcomer chemical Polytron Technologies Inc Address before: 264006 No. 3, No. 7 North Beijing Road, Yantai economic and Technological Development Zone, Shandong, China, 7 Applicant before: SUNSHOW (YANTAI) SPECIALTY CHEMICAL CO., LTD. |
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Application publication date: 20160608 |