CN104927283A - High-temperature-resistant polypropylene coloring master batch - Google Patents
High-temperature-resistant polypropylene coloring master batch Download PDFInfo
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- CN104927283A CN104927283A CN201510388488.4A CN201510388488A CN104927283A CN 104927283 A CN104927283 A CN 104927283A CN 201510388488 A CN201510388488 A CN 201510388488A CN 104927283 A CN104927283 A CN 104927283A
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/14—Copolymers of propene
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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
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
-
- 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
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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
- C08L2310/00—Masterbatches
Abstract
The present invention discloses high-temperature-resistant polypropylene coloring master batch and belongs to the technical field of plastic additives. The master batch comprises the following raw materials in parts by weight: 40-50 parts of modified polypropylene, 12-20 parts of dispersants, 10-18 parts of nano-montmorillonite, 3-8 parts of organic pigments,2-5 parts of an antimicrobial agent, 1-5 parts of alight stabilizer and 1-8 parts of a reinforced modifier. Compared with high-temperature-resistant coloring master batch in the prior art, the high-temperature-resistant polypropylene coloring master batch disclosed by the present invention has the advantages of good high temperature resistance and processing properties; a product which uses the high-temperature-resistant polypropylene coloring master batch has the advantages of a long service life and a wide applied range.
Description
Technical field
The present invention relates to a kind of color concentrate, particularly relate to a kind of fire resistant polypropylene color concentrate, belong to plastics additive technical field.
Background technology
Polypropylene pipe is compared with the pipelines such as traditional cast iron pipe, galvanized steel pipe, cement pipe, there is energy-saving material-saving, environmental protection, high-strength light, corrosion-resistant, the advantage such as inner wall smooth non-scaling, construction and maintenance is easy, long service life, be widely used in construction industry, municipal administration, industry and the agriculture fields such as building water supply and drainage, town and country plumbing, gas, electric power and cable jacket, industrial fluids conveying, agricultural irrigation.
Polypropylene water pipe of the prior art is generally PPR water pipe, is divided into hot-water line and cold water pipe, and hot-water line requires that resistance to elevated temperatures is good, and at least 90 DEG C, scale resistance is good, to extend working life, avoids frequent replacing; Cold water pipe requires that resistance to low temperature is good, can not break under ultimate temperature.Cold water pipe of the prior art and hot-water line are difficult to have concurrently not only high temperature resistant but also low temperature resistant, also obscured because groups of people can not distinguish the working conditions of hot water pipe in its actual use, hot-water line can be used for cold water pipe, and cold water pipe can not be used for hot-water line, obscuring of using can cause resource not optimally to configure, and even threatens the safety of people.
It is CN104059300A that State Intellectual Property Office discloses a publication number on September 24th, 2014, name is called " the resistance to warm water tube of a kind of PPR ", disclosed in this patent, water pipe raw material comprises the starting material of following weight part: vector resin 60 ~ 80 parts, LLDPE10 ~ 30 part, isoprene-isobutylene rubber 1 ~ 6 part, the special color concentrate of PPR pipe 3 ~ 8 parts.Colour batch is made up of the raw material of following weight part: vector resin 40 ~ 60 parts, pigment 35 ~ 55 parts, Macrogol 2000 .5 ~ 5 part, 0.1 ~ 3 part, oxidation inhibitor, UV light absorber UVP-3270.1 ~ 1 part, antiseptic-germicide 0.1 ~ 3 part, described pigment is the mixture of white, black and yellow ultramarine, and its ratio is 5:2:1.In actual use, the processing characteristics of goods is good not, and high-temperature resistant result is bad for this patent.
Summary of the invention
The present invention is intended to solve in prior art, high temperature resistant masterbatch in use, processing characteristics is good not, the problem that high-temperature resistant result is bad, a kind of fire resistant polypropylene color concentrate and preparation method thereof is proposed, the main processing aid being used as polypropylene thermal water pipe, improves the processing characteristics of goods and high temperature resistant, weather-proof performance.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
A kind of fire resistant polypropylene color concentrate, is characterized in that: comprise following raw material by weight: modified polypropene 40 ~ 50 parts, dispersion agent 12 ~ 20 parts, nano imvite 10 ~ 18 parts, pigment dyestuff 3 ~ 8 parts, antiseptic-germicide 2 ~ 5 parts, photostabilizer 1 ~ 5 part, reinforced modifier 1 ~ 8 part.
Nano imvite and modified polypropene used in combination, can improve the intensity of polypropylene material, thermotolerance, modulus, barrier properties for gases, wear resistance, flame retardant resistance etc., especially thermotolerance and barrier can increase substantially.
In order to realize the present invention better, described modified polypropene is the mixture of block polypropylene and atactic copolymerized polypropene, and its blending ratio is 2 ~ 6:1.
Described dispersion agent is organopolysiloxane, and organopolysiloxane does wetting, dispersion agent, and compared with doing dispersion agent with the material such as the polyethylene wax adopted in prior art, organopolysiloxane has following characteristics: whipability is low, and anti-bubble is strong, non-foaming in using; Excellent thermostability, decomposition temperature is greater than 300 DEG C, and under room temperature, middle low temperature, volatile quantity is minimum; In extent of alternating temperature, temperature raises and reduces little to viscosity B coefficent, good processing stability; To pigment, there is dual-use function that is wetting and dispersion.
Particle diameter≤the 60nm of described nano imvite.
Described antiseptic-germicide is at least one in maleic anhydride copolymer, silver ion antimicrobial agent, cupric ion antiseptic-germicide, zinc oxide.
Described photostabilizer is at least one in titanium dioxide, salicylate, benzophenone.
Described reinforced modifier is nano-silicon.
Beneficial effect of the present invention:
1) compared with high temperature resistant masterbatch of the prior art, the present invention is combined with specific proportioning by nano imvite and selecting of modified polypropene, fundamentally improve the resistance to elevated temperatures of masterbatch, make finished product water pipe can be used for hot water and cold water, expand range of application; Make the masterbatch that obtains in use, good processability, high thermal resistance is good, does not separate out, and the security that user uses is higher.
2) the preferred organopolysiloxane of dispersion agent of the present invention, compare conventional low-molecular-weight polyethylene wax, its temperature tolerance is high, can not become separate out in the course of processing, occur the problem of bubble, and has double effects that is wetting and dispersion.
3) also antiseptic-germicide is added with in the present invention, in anti-antipriming pipe, bacteria breed causes the problem of plugging, and because part water pipe exposes in atmosphere, after solar radiation, easy embrittlement and affect work-ing life, the present invention also added photostabilizer, improves the work-ing life of water pipe, reduces use and the replacement cost of user.
Embodiment
Embodiment 1
A kind of fire resistant polypropylene color concentrate, comprises following raw material by weight: modified polypropene 40 parts, dispersion agent 12 parts, nano imvite 10 parts, pigment dyestuff 3 parts, antiseptic-germicide 2 parts, photostabilizer 1 part, reinforced modifier 1 part.
Embodiment 2
A kind of fire resistant polypropylene color concentrate, comprises following raw material by weight: modified polypropene 50 parts, dispersion agent 20 parts, nano imvite 18 parts, pigment dyestuff 8 parts, antiseptic-germicide 5 parts, photostabilizer 5 parts, reinforced modifier 8 parts.
Embodiment 3
A kind of fire resistant polypropylene color concentrate, comprises following raw material by weight: modified polypropene 45 parts, dispersion agent 12 parts, nano imvite 15 parts, pigment dyestuff 4 parts, antiseptic-germicide 3 parts, photostabilizer 3 parts, reinforced modifier 5 parts.
Embodiment 4
A kind of fire resistant polypropylene color concentrate, comprises following raw material by weight: modified polypropene 40 parts, dispersion agent 18 parts, nano imvite 16 parts, pigment dyestuff 6 parts, antiseptic-germicide 4 parts, photostabilizer 4 parts, reinforced modifier 7 parts.
In the present embodiment, modified polypropene is the mixture of block polypropylene and atactic copolymerized polypropene, and its blending ratio is 2:1.
Embodiment 5
A kind of fire resistant polypropylene color concentrate, comprises following raw material by weight: modified polypropene 40 parts, dispersion agent 18 parts, nano imvite 16 parts, pigment dyestuff 6 parts, antiseptic-germicide 4 parts, photostabilizer 5 parts, reinforced modifier 8 parts.
In the present embodiment, modified polypropene is homo-polypropylene; Dispersion agent is organopolysiloxane.
Embodiment 6
The present embodiment is on the basis of embodiment 5, and nano imvite selection particle diameter is the nano imvite raw material of 50nm, and the instrument of particle diameter choice for use is JL-1177 type laser particle distribution detectors.
Embodiment 7
A kind of fire resistant polypropylene color concentrate, comprises following raw material by weight: modified polypropene 44 parts, dispersion agent 13 parts, nano imvite 15 parts, pigment dyestuff 4 parts, antiseptic-germicide 3 parts, photostabilizer 3 parts, reinforced modifier 5 parts.
In the present embodiment in the present embodiment, modified polypropene is the mixture of block polypropylene and atactic copolymerized polypropene, and its blending ratio is 5:1; The particle diameter of nano imvite is 60nm; Antiseptic-germicide is maleic anhydride copolymer; Photostabilizer is titanium dioxide.
Embodiment 8
A kind of fire resistant polypropylene color concentrate, comprises following raw material by weight: modified polypropene 47 parts, dispersion agent 12 parts, nano imvite 18 parts, pigment dyestuff 8 parts, antiseptic-germicide 5 parts, photostabilizer 3 parts, reinforced modifier 5 parts.
In the present embodiment, antiseptic-germicide is the mixture of silver ion antimicrobial agent and zinc oxide, blending ratio no requirement (NR); Photostabilizer is the mixture of two salicylates and benzophenone.
Embodiment 9
A kind of fire resistant polypropylene color concentrate comprises following raw material by weight: modified polypropene 50 parts, dispersion agent 20 parts, nano imvite 12 parts, pigment dyestuff 5 parts, antiseptic-germicide 3 parts, photostabilizer 3 parts, reinforced modifier 3 parts.
In the present embodiment, modified polypropene is the mixture of block polypropylene and atactic copolymerized polypropene, and its blending ratio is 6:1; The particle diameter of nano imvite is 40nm; Antiseptic-germicide is cupric ion antiseptic-germicide; Photostabilizer is the mixture of titanium dioxide, salicylate; Reinforced modifier is nano-silicon.
Embodiment 10
The difference of the present embodiment and embodiment 9 is: the particle diameter of nano imvite is 40nm; Antiseptic-germicide is zinc oxide; Photostabilizer is benzophenone.
Implement 11
A kind of fire resistant polypropylene color concentrate, comprises following raw material by weight: modified polypropene 45 parts, dispersion agent 18 parts, nano imvite 12 parts, pigment dyestuff 4 parts, antiseptic-germicide 3 parts, photostabilizer 3 parts, reinforced modifier 3 parts.
In the present embodiment, modified polypropene is the mixture of block polypropylene and atactic copolymerized polypropene, and its blending ratio is 3:1; The particle diameter of nano imvite is 50nm; Antiseptic-germicide is cupric ion antiseptic-germicide; Photostabilizer is salicylate; Reinforced modifier is nano-silicon.
The preparation method of the fire resistant polypropylene color concentrate described in the present embodiment is as follows:
A. batch mixing
The modified polypropene taken by weight and dispersion agent are added in high speed mixer, after Preblend 5min, adds the nano imvite, pigment dyestuff, antiseptic-germicide, photostabilizer and the reinforced modifier that take by weight, discharging after continuation mixing 15min;
B. extrude
Material mixed for steps A is transferred to twin screw extruder, and each warm area temperature of forcing machine is: 95 DEG C, 110 DEG C, 135 DEG C, 130 DEG C, 125 DEG C, and extruder die head temperature is 128 DEG C;
C. granulation, packaging
By the strand extruded after the cooling of cooling basin, through granulator granulation, the particle length of granulation is no more than 3cm; Be cooled to normal temperature after granulation to pack.
Claims (7)
1. a fire resistant polypropylene color concentrate, is characterized in that: comprise following raw material by weight: modified polypropene 40 ~ 50 parts, dispersion agent 12 ~ 20 parts, nano imvite 10 ~ 18 parts, pigment dyestuff 3 ~ 8 parts, antiseptic-germicide 2 ~ 5 parts, photostabilizer 1 ~ 5 part, reinforced modifier 1 ~ 8 part.
2. fire resistant polypropylene color concentrate as claimed in claim 1, it is characterized in that: described modified polypropene is the mixture of block polypropylene and atactic copolymerized polypropene, its blending ratio is 2 ~ 6:1.
3. fire resistant polypropylene color concentrate as claimed in claim 1, is characterized in that: described dispersion agent is organopolysiloxane.
4. fire resistant polypropylene color concentrate as claimed in claim 1, is characterized in that: the particle diameter≤60nm of described nano imvite.
5. fire resistant polypropylene color concentrate as claimed in claim 1, is characterized in that: described antiseptic-germicide is at least one in maleic anhydride copolymer, silver ion antimicrobial agent, cupric ion antiseptic-germicide, zinc oxide.
6. fire resistant polypropylene color concentrate as claimed in claim 1, is characterized in that: described photostabilizer is at least one in titanium dioxide, salicylate, benzophenone.
7. fire resistant polypropylene color concentrate as claimed in claim 1, is characterized in that: described reinforced modifier is nano-silicon.
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| CN201510388488.4A CN104927283A (en) | 2015-07-06 | 2015-07-06 | High-temperature-resistant polypropylene coloring master batch |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131428A (en) * | 2015-09-29 | 2015-12-09 | 蓝星（成都）新材料有限公司 | Preparation method of polypropylene coloring master batch |
| CN105175894A (en) * | 2015-09-29 | 2015-12-23 | 蓝星（成都）新材料有限公司 | Method for preparing polypropylene coloring master batch |
| CN105175893A (en) * | 2015-09-29 | 2015-12-23 | 蓝星（成都）新材料有限公司 | High-temperature-resistance polypropylene coloring master batch |
| CN105694251A (en) * | 2016-04-06 | 2016-06-22 | 邱建收 | High-temperature poly(allylbenzene) plastic |
| CN105694258A (en) * | 2016-04-06 | 2016-06-22 | 邱建收 | Modified high-temperature-resistant polystyrene plastic |
| CN107739469A (en) * | 2017-09-28 | 2018-02-27 | 成都天航智虹知识产权运营管理有限公司 | A kind of fire resistant polypropylene color concentrate |
| CN109265830A (en) * | 2018-09-25 | 2019-01-25 | 蚌埠创特新材料科技有限公司 | A kind of high stability Masterbatch |
| CN109943012A (en) * | 2019-03-29 | 2019-06-28 | 广东美的制冷设备有限公司 | Plastics, plastic products and preparation method thereof |
| CN111205488A (en) * | 2020-03-12 | 2020-05-29 | 广东世童智能科技有限公司 | Anion flame-retardant high-temperature-resistant nano-silicon modified antibacterial engineering plastic master batch |
| CN112646273A (en) * | 2020-12-22 | 2021-04-13 | 江苏尚艾新材料科技有限公司 | Polypropylene composite material with high light transmittance, hydrolysis resistance, antibiosis and mildew resistance and preparation method thereof |
| CN113683826A (en) * | 2020-05-16 | 2021-11-23 | 上海冠旗电子新材料股份有限公司 | Special color master batch modifier with migration resistance, high temperature resistance and reduced pigment and auxiliary agent consumption |
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| CN1316457A (en) * | 2000-04-03 | 2001-10-10 | 中国科学院化学研究所 | Composite polypropylene material filled by nm-class organized montmorillonite and inorganic spherical rigid particles and its preparing process |
| CN101402753A (en) * | 2008-10-31 | 2009-04-08 | 浙江七色鹿色母粒有限公司 | Begin-color flame-proof antistatic polyolefin master batch |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131428A (en) * | 2015-09-29 | 2015-12-09 | 蓝星（成都）新材料有限公司 | Preparation method of polypropylene coloring master batch |
| CN105175894A (en) * | 2015-09-29 | 2015-12-23 | 蓝星（成都）新材料有限公司 | Method for preparing polypropylene coloring master batch |
| CN105175893A (en) * | 2015-09-29 | 2015-12-23 | 蓝星（成都）新材料有限公司 | High-temperature-resistance polypropylene coloring master batch |
| CN105694251A (en) * | 2016-04-06 | 2016-06-22 | 邱建收 | High-temperature poly(allylbenzene) plastic |
| CN105694258A (en) * | 2016-04-06 | 2016-06-22 | 邱建收 | Modified high-temperature-resistant polystyrene plastic |
| CN107739469A (en) * | 2017-09-28 | 2018-02-27 | 成都天航智虹知识产权运营管理有限公司 | A kind of fire resistant polypropylene color concentrate |
| CN109265830A (en) * | 2018-09-25 | 2019-01-25 | 蚌埠创特新材料科技有限公司 | A kind of high stability Masterbatch |
| CN109943012A (en) * | 2019-03-29 | 2019-06-28 | 广东美的制冷设备有限公司 | Plastics, plastic products and preparation method thereof |
| CN109943012B (en) * | 2019-03-29 | 2021-11-19 | 广东美的制冷设备有限公司 | Plastic, plastic product and preparation method thereof |
| CN111205488A (en) * | 2020-03-12 | 2020-05-29 | 广东世童智能科技有限公司 | Anion flame-retardant high-temperature-resistant nano-silicon modified antibacterial engineering plastic master batch |
| CN113683826A (en) * | 2020-05-16 | 2021-11-23 | 上海冠旗电子新材料股份有限公司 | Special color master batch modifier with migration resistance, high temperature resistance and reduced pigment and auxiliary agent consumption |
| CN112646273A (en) * | 2020-12-22 | 2021-04-13 | 江苏尚艾新材料科技有限公司 | Polypropylene composite material with high light transmittance, hydrolysis resistance, antibiosis and mildew resistance and preparation method thereof |
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Application publication date: 20150923 |