CN108329595A - A kind of polypropylene colour smalt and preparation method thereof - Google Patents
A kind of polypropylene colour smalt and preparation method thereof Download PDFInfo
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- CN108329595A CN108329595A CN201810175204.7A CN201810175204A CN108329595A CN 108329595 A CN108329595 A CN 108329595A CN 201810175204 A CN201810175204 A CN 201810175204A CN 108329595 A CN108329595 A CN 108329595A
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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
-
- 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
- C08J3/223—Packed additives
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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
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/10—Peculiar tacticity
-
- 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 relates to colored smalt technical field, a kind of polypropylene colour smalt and preparation method thereof is specifically disclosed.The raw material of polypropylene colour smalt includes 90 110 parts of crystalling propylene body, 20 30 parts of pigment, 10 15 parts of epoxy resin, 58 parts of oiliness dispersant, 58 parts of oiliness antifoaming agent, 10 12 parts of binder by weight and helps 25 parts of agent of knot.Colour smalt provided by the invention and preparation method thereof, can select different pigment as the constitutive material of colored smalt, fully to meet the coloring requirement of different colours product according to the actual conditions of product.
Description
Technical field
The present invention relates to colored smalt technical field, a kind of polypropylene colour smalt and preparation method thereof is specifically disclosed.
Background technology
Smalt is a kind of common colorant in plastic shaping industry, and existing smalt generally uses black carbon powder as coloring
Pigment there is technical issues that tone is single, cannot meet actual production.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of polypropylene colour smalts and preparation method thereof, to solve
The above problem that background technology is mentioned.
To achieve the above object, the present invention provides the following technical solutions：A kind of polypropylene colour smalt, raw material is by weight
Part include：90-110 parts of crystalling propylene body, 20-30 parts of pigment, 10-15 parts of epoxy resin, 5-8 parts of oiliness dispersant, oiliness
5-8 parts of antifoaming agent, 10-12 parts of binder and help knot 2-5 parts of agent.
Preferably, the crystalling propylene body is isotactic polypropylene.
Preferably, the oiliness dispersant is Dispers700, and the oiliness antifoaming agent is BYK-088.
Preferably, the binder is inorganic silicate, the active oxidation for helping knot agent as such as activated magnesia class
Object.
Preferably, the pigment is inorganic pigment.
Another aspect of the present invention also discloses a kind of preparation method of polypropylene colour smalt, and this method includes following
Step：
S1, crystalling propylene body is chosen, by washing and dry, reuses the sieves that mesh diameter is 500 μm and sieve,
Remove the bulky grain in polypropylene crystals.
S2,5-8 parts of 20-30 parts of pigment, 10-15 parts of epoxy resin, 5-8 parts of oiliness dispersant and oiliness antifoaming agent are poured into
In blender, it is warming up to 60-80 DEG C, blender work is for use after being cooled to room temperature after stirring 25-30min.
S3, by 90-110 parts of crystalling propylene body, 10-12 parts of binder, help knot 2-5 part addition blenders of agent in, stir
After 20-25min.
S4,20-30 parts of pigment, 10-15 parts of epoxy resin, 5-8 parts of oiliness dispersant and oil after room temperature be will be cooled to again
Property 5-8 parts of mixtures of antifoaming agent and 90-110 parts of crystalling propylene body, 10-12 parts of binder, help knot 2-5 parts of agent mixture
It is added in blender together, is warming up to 100-120 DEG C, stir 45-60min.
S5, in step s 4, while blender is stirred continuously, air is pumped into blender using air pump, is being stirred
The gas outlet of machine is handled tail gas using air purification and adsorbent equipment, and colored smalt is dried in heating, blender
It is stirred continuously, prevents colored smalt from bonding.
S6, the colored smalt in blender is poured out, after air drying, colour smalt is made.
Preferably, in step S2, S3 and S4, the rotating speed of blender is 50-60r/min.
Preferably, in step s 6, it if having adhesive in the colored smalt poured out, needs to sieve adhesive using sieve
It removes.
Compared with prior art, the present invention has following advantageous effect：
Colour smalt provided by the invention and preparation method thereof, can select different face according to the actual conditions of product
Expect the constitutive material as colored smalt, coloury smalt product is produced, fully to meet the coloring requirement of product.Separately
On the one hand, since isotactic polypropylene easily forms crystalline state, crystallinity is up to 95% or more, and molecular weight has between 8-15 ten thousand
Good heat resistanceheat resistant and solvent resistance, are dyed using isotactic polypropylene as base material, and coordinate epoxy resin, oiliness dispersion
Agent, binder, the collective effect for helping knot agent so that polypropylene colour smalt provided by the invention is more prone to colour, and is not easy
It fades, has saved the energy, reduce production cost.
Specific implementation mode
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution：A kind of polypropylene colour smalt, raw material include by weight：Polypropylene knot
90-110 parts of crystal, 10-15 parts of epoxy resin, 5-8 parts of oiliness dispersant, 5-8 parts of oiliness antifoaming agent, bonds 20-30 parts of pigment
10-12 parts of agent helps and ties 2-5 parts of agent, and crystalling propylene body is isotactic polypropylene, and isotactic polypropylene easily forms crystalline state, crystallinity
Up to 95% or more, molecular weight assigns his good heat resistanceheat resistant and solvent resistance, oiliness dispersant is between 8-15 ten thousand
Dispers700, the oiliness antifoaming agent are BYK-088, and binder is inorganic silicate, described to help knot agent for activating oxide,
Pigment is inorganic pigment.
The preparation method of polypropylene colour smalt of the present invention includes the following steps：
S1, crystalling propylene body is chosen, by washing and dry, reuses the sieves that mesh diameter is 500 μm and sieve,
Remove the bulky grain in polypropylene crystals.
S2,5-8 parts of 20-30 parts of pigment, 10-15 parts of epoxy resin, 5-8 parts of oiliness dispersant and oiliness antifoaming agent are poured into
In blender, it is warming up to 60-80 DEG C, blender work is for use after being cooled to room temperature after stirring 25-30min, and blender turns
Speed is 50-60r/min.
S3, by 90-110 parts of crystalling propylene body, 10-12 parts of binder, help knot 2-5 part addition blenders of agent in, stir
After 20-25min, the rotating speed of blender is 50-60r/min.
S4,20-30 parts of pigment, 10-15 parts of epoxy resin, 5-8 parts of oiliness dispersant and oil after room temperature be will be cooled to again
Property 5-8 parts of mixtures of antifoaming agent and 90-110 parts of crystalling propylene body, 10-12 parts of binder, help knot 2-5 parts of agent mixture
It is added in blender together, is warming up to 100-120 DEG C, stir 45-60min, the rotating speed of blender is 50-60r/min.
S5, in step s 4, while blender is stirred continuously, air is pumped into blender using air pump, is being stirred
The gas outlet of machine is handled tail gas using air purification and adsorbent equipment, and colored smalt is dried in heating, blender
Be stirred continuously, prevent colored smalt from bonding, the rotating speed of blender is 50-60r/min, moving air take away it is being evaporated and
Volatile materials, and the gas outlet of blender can carry out purification absorption to tail gas, prevent from polluting air.
S6, the colored smalt in blender is poured out, after air drying, colour smalt is made, if the colored color poured out
There is adhesive in sand, needs to screen out adhesive using sieve.
Embodiment one
A kind of polypropylene colour smalt, raw material include by weight：90 parts of crystalling propylene body, 20 parts of pigment, epoxy
10 parts of resin, 5 parts of oiliness antifoaming agent, 10 parts of binder, helps and ties 2 parts of agent 5 parts of oiliness dispersant, and crystalling propylene body is isotactic
Polypropylene, isotactic polypropylene easily form crystalline state, and crystallinity is up to 95% or more, and it is good to assign him between 8-15 ten thousand for molecular weight
Good heat resistanceheat resistant and solvent resistance, oiliness dispersant are Dispers700, and the oiliness antifoaming agent is BYK-088, and binder is nothing
Machine silicate, described to help knot agent for activating oxide (such as activated magnesia), pigment is inorganic pigment.
Preparation method includes the following steps：
S1, crystalling propylene body is chosen, by washing and dry, reuses the sieves that mesh diameter is 500 μm and sieve,
Remove the bulky grain in polypropylene crystals.
S2,5 parts of 20 parts of pigment, 10 parts of epoxy resin, 5 parts of oiliness dispersant and oiliness antifoaming agent are poured into blender,
It is warming up to 60-80 DEG C, blender work is for use after being cooled to room temperature after stirring 25-30min, and the rotating speed of blender is 50-
60r/min。
S3, by 90 parts of crystalling propylene body, 10 parts of binder, help knot 2 parts of addition blenders of agent in, stir 20-25min
Afterwards, the rotating speed of blender is 50-60r/min.
S4,20 parts of pigment, 10 parts of epoxy resin, 5 parts of oiliness dispersant and oiliness antifoaming agent 5 after room temperature be will be cooled to again
90 parts of part mixture and crystalling propylene body, help the mixture of 2 parts of agent of knot to be added in blender together at 10 parts of binder, rise
Temperature stirs 45-60min, the rotating speed of blender is 50-60r/min to 100-120 DEG C.
S5, in step s 4, while blender is stirred continuously, air is pumped into blender using air pump, is being stirred
The gas outlet of machine is handled tail gas using air purification and adsorbent equipment, and colored smalt is dried in heating, blender
Be stirred continuously, prevent colored smalt from bonding, the rotating speed of blender is 50-60r/min, moving air take away it is being evaporated and
Volatile materials, and the gas outlet of blender can carry out purification absorption to tail gas, prevent from polluting air.
S6, the colored smalt in blender is poured out, after air drying, colour smalt is made, if the colored color poured out
There is adhesive in sand, needs to screen out adhesive using sieve.
Embodiment two
A kind of polypropylene colour smalt, raw material include by weight：100 parts of crystalling propylene body, 25 parts of pigment, epoxy
12 parts of resin, 6 parts of oiliness antifoaming agent, 11 parts of binder, helps and ties 4 parts of agent 6 parts of oiliness dispersant, and crystalling propylene body is isotactic
Polypropylene, isotactic polypropylene easily form crystalline state, and crystallinity is up to 95% or more, and it is good to assign him between 8-15 ten thousand for molecular weight
Good heat resistanceheat resistant and solvent resistance, oiliness dispersant are Dispers700, and the oiliness antifoaming agent is BYK-088, and binder is nothing
Machine silicate, described to help knot agent for activating oxide, pigment is inorganic pigment.
Preparation method includes the following steps：
S1, crystalling propylene body is chosen, by washing and dry, reuses the sieves that mesh diameter is 500 μm and sieve,
Remove the bulky grain in polypropylene crystals.
S2,6 parts of 25 parts of pigment, 12 parts of epoxy resin, 6 parts of oiliness dispersant and oiliness antifoaming agent are poured into blender,
It is warming up to 60-80 DEG C, blender work is for use after being cooled to room temperature after stirring 25-30min, and the rotating speed of blender is 50-
60r/min。
S3, by 100 parts of crystalling propylene body, 11 parts of binder, help knot 4 parts of addition blenders of agent in, stir 20-25min
Afterwards, the rotating speed of blender is 50-60r/min.
S4,25 parts of pigment, 12 parts of epoxy resin, 6 parts of oiliness dispersant and oiliness antifoaming agent 6 after room temperature be will be cooled to again
100 parts of part mixture and crystalling propylene body, help the mixture of 4 parts of agent of knot to be added in blender together at 11 parts of binder, rise
Temperature stirs 45-60min, the rotating speed of blender is 50-60r/min to 100-120 DEG C.
S5, in step s 4, while blender is stirred continuously, air is pumped into blender using air pump, is being stirred
The gas outlet of machine is handled tail gas using air purification and adsorbent equipment, and colored smalt is dried in heating, blender
Be stirred continuously, prevent colored smalt from bonding, the rotating speed of blender is 50-60r/min, moving air take away it is being evaporated and
Volatile materials, and the gas outlet of blender can carry out purification absorption to tail gas, prevent from polluting air.
S6, the colored smalt in blender is poured out, after air drying, colour smalt is made, if the colored color poured out
There is adhesive in sand, needs to screen out adhesive using sieve.
Embodiment three
A kind of polypropylene colour smalt, raw material include by weight：110 parts of crystalling propylene body, 30 parts of pigment, epoxy
15 parts of resin, 8 parts of oiliness antifoaming agent, 12 parts of binder, helps and ties 5 parts of agent 8 parts of oiliness dispersant, and crystalling propylene body is isotactic
Polypropylene, isotactic polypropylene easily form crystalline state, and crystallinity is up to 95% or more, and it is good to assign him between 8-15 ten thousand for molecular weight
Good heat resistanceheat resistant and solvent resistance, oiliness dispersant are Dispers700, and the oiliness antifoaming agent is BYK-088, and binder is nothing
Machine silicate, described to help knot agent for activating oxide, pigment is inorganic pigment.
Preparation method includes the following steps：
S1, crystalling propylene body is chosen, by washing and dry, reuses the sieves that mesh diameter is 500 μm and sieve,
Remove the bulky grain in polypropylene crystals.
S2,8 parts of 30 parts of pigment, 15 parts of epoxy resin, 8 parts of oiliness dispersant and oiliness antifoaming agent are poured into blender,
It is warming up to 60-80 DEG C, blender work is for use after being cooled to room temperature after stirring 25-30min, and the rotating speed of blender is 50-
60r/min。
S3, by 110 parts of crystalling propylene body, 12 parts of binder, help knot 5 parts of addition blenders of agent in, stir 20-25min
Afterwards, the rotating speed of blender is 50-60r/min.
S4,30 parts of pigment, 15 parts of epoxy resin, 8 parts of oiliness dispersant and oiliness antifoaming agent 8 after room temperature be will be cooled to again
110 parts of part mixture and crystalling propylene body, help the mixture of 5 parts of agent of knot to be added in blender together at 12 parts of binder, rise
Temperature stirs 45-60min, the rotating speed of blender is 50-60r/min to 100-120 DEG C.
S5, in step s 4, while blender is stirred continuously, air is pumped into blender using air pump, is being stirred
The gas outlet of machine is handled tail gas using air purification and adsorbent equipment, and colored smalt is dried in heating, blender
Be stirred continuously, prevent colored smalt from bonding, the rotating speed of blender is 50-60r/min, moving air take away it is being evaporated and
Volatile materials, and the gas outlet of blender can carry out purification absorption to tail gas, prevent from polluting air.
S6, the colored smalt in blender is poured out, after air drying, colour smalt is made, if the colored color poured out
There is adhesive in sand, needs to screen out adhesive using sieve.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of polypropylene colour smalt, which is characterized in that the polypropylene colour smalt includes crystalling propylene body by weight
90-110 parts, 20-30 parts of pigment, 10-15 parts of epoxy resin, 5-8 parts of oiliness dispersant, 5-8 parts of oiliness antifoaming agent, binder
10-12 parts and help knot 2-5 parts of agent.
2. polypropylene colour smalt according to claim 1, it is characterised in that：The crystalling propylene body is isotactic poly- third
Alkene.
3. polypropylene colour smalt according to claim 1, it is characterised in that：The oiliness dispersant is
Dispers700, the oiliness antifoaming agent are BYK-088.
4. polypropylene colour smalt according to claim 1, it is characterised in that：The binder is inorganic silicate, institute
It is activating oxide to state and help knot agent.
5. polypropylene colour smalt according to claim 1, it is characterised in that：The pigment is inorganic pigment.
6. a kind of polypropylene colour smalt preparation method, which is characterized in that the polypropylene colour smalt preparation method includes as follows
Step：
S1, crystalling propylene body is chosen, by washing and drying, reuses the sieves that mesh diameter is 500 μm and sieve, remove
Bulky grain in polypropylene crystals；
S2,5-8 parts of 20-30 parts of pigment, 10-15 parts of epoxy resin, 5-8 parts of oiliness dispersant and oiliness antifoaming agent are poured into stirring
In machine, it is warming up to 60-80 DEG C, blender work is for use after being cooled to room temperature after stirring 25-30min；
S3, by 90-110 parts of crystalling propylene body, 10-12 parts of binder, help knot 2-5 part addition blenders of agent in, stirring 20-
After 25min；
S4,20-30 parts of pigment, 10-15 parts of epoxy resin, 5-8 parts of oiliness dispersant and oiliness after room temperature be will be cooled to again disappear
90-110 parts of 5-8 parts of mixtures of infusion and crystalling propylene body, help the mixture of 2-5 parts of agent of knot together at 10-12 parts of binder
It is added in blender, is warming up to 100-120 DEG C, stir 45-60min；
S5, in step s 4, while blender is stirred continuously, is pumped into air into blender, in blender using air pump
Gas outlet is handled tail gas using air purification and adsorbent equipment, and colored smalt is dried in heating, and blender is continuous
Stirring prevents colored smalt from bonding；
S6, the colored smalt in blender is poured out, after air drying, colour smalt is made.
7. polypropylene colour smalt preparation method according to claim 6, it is characterised in that：In step S2, S3 and S4,
The rotating speed of blender is 50-60r/min.
8. polypropylene colour smalt preparation method according to claim 6, it is characterised in that：In step s 6, if pouring out
There is adhesive in the colored smalt come, needs to screen out adhesive using sieve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810175204.7A CN108329595A (en) | 2018-03-02 | 2018-03-02 | A kind of polypropylene colour smalt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810175204.7A CN108329595A (en) | 2018-03-02 | 2018-03-02 | A kind of polypropylene colour smalt and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6344500B1 (en) * | 1999-11-15 | 2002-02-05 | Honda Giken Kogyo Kabushihi Kaisha | Aqueous primer coating composition and article coated therewith |
| CN102329450A (en) * | 2011-06-20 | 2012-01-25 | 洪伟 | Polypropylene color masterbatch and preparation method thereof |
| CN106700258A (en) * | 2016-12-23 | 2017-05-24 | 苏州曙帆信电子科技有限公司 | Impact-resistant PP (polypropylene) color masterbatch |
-
2018
- 2018-03-02 CN CN201810175204.7A patent/CN108329595A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6344500B1 (en) * | 1999-11-15 | 2002-02-05 | Honda Giken Kogyo Kabushihi Kaisha | Aqueous primer coating composition and article coated therewith |
| CN102329450A (en) * | 2011-06-20 | 2012-01-25 | 洪伟 | Polypropylene color masterbatch and preparation method thereof |
| CN106700258A (en) * | 2016-12-23 | 2017-05-24 | 苏州曙帆信电子科技有限公司 | Impact-resistant PP (polypropylene) color masterbatch |
Non-Patent Citations (1)
| Title |
|---|
| 肖长发主编: "《化学纤维概论》", 30 June 2015, 中国纺织出版社 * |
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Application publication date: 20180727 |
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