CN105061897A - Modified plastics - Google Patents
Modified plastics Download PDFInfo
- Publication number
- CN105061897A CN105061897A CN201510520122.8A CN201510520122A CN105061897A CN 105061897 A CN105061897 A CN 105061897A CN 201510520122 A CN201510520122 A CN 201510520122A CN 105061897 A CN105061897 A CN 105061897A
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- polypropylene
- coupling agent
- modified plastics
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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
- 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
- C08L23/14—Copolymers of propene
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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
- C08L2201/04—Antistatic
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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
-
- 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
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to modified plastics. The modified plastics is characterized by comprising, by weight, 50 parts to 65 parts of polypropylene, 50 parts to 70 parts of carbon fibers, 25 parts to 40 parts of thermoplastic elastomer, 8 parts to 20 parts of fire retardants, 2.5 parts to 4 parts of coupling reagents and 2.5 parts to 4 parts of antioxidants. The modified plastics can effectively resist the cold low-temperature environment, and has the advantages of being resistant to acid, base, oxidation, static electricity and impacting.
Description
Technical field
The invention belongs to the technical field of plastics-production, relate to a kind of modified plastics in this field specifically.
Background technology
The plastics of prior art mostly are isolator, the poor performance of its heat conduction and conduction, are not suitable for applying it in hot water line; Although but use metal tubes can realize good heat conduction and conductivity, the Anticorrosion of metal tubes is difficult to process, and cost is relatively high.
Although moreover there is non-metallic plastic in prior art and it has the performance of heat conduction and conduction, existing non-metallic plastic can't resist the low temperature of subzero less than 50 degree, can not have all properties of antiacid alkali, anti-oxidant and anti-electrostatic concurrently.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides a kind of modified plastics, this modified plastics effectively can resist cold low temperature environment, and has antiacid alkali, anti-oxidant, anti-electrostatic and impact-resistant technique effect.
The technical solution adopted in the present invention is:
A kind of modified plastics, is prepared by the raw material of following portions by weight: polypropylene 50-65 part, carbon fiber 50-70 part, thermoplastic elastomer 25-40 part, fire retardant 8-20 part, coupling agent 2.5-4 part and oxidation inhibitor 2.5-4 part.
The technical scheme of further improvement, polypropylene is the mixture of homopolymer polypropylene and polypropylene copolymer, and the proportioning of homopolymer polypropylene and polypropylene copolymer is 1: 1.
The technical scheme of advantageous embodiment, polypropylene copolymer is atactic copolymerized polypropene.
The technical scheme of advantageous embodiment, is prepared by the raw material of following portions by weight: polypropylene 50 parts, 50 parts, carbon fiber, thermoplastic elastomer 25 parts, fire retardant 8 parts, coupling agent 2.5 parts and 2.5 parts, oxidation inhibitor.
The technical scheme of advantageous embodiment, is prepared by the raw material of following portions by weight: polypropylene 60 parts, 65 parts, carbon fiber, thermoplastic elastomer 32 parts, fire retardant 16 parts, coupling agent 3.5 parts and 3.5 parts, oxidation inhibitor.
The technical scheme of advantageous embodiment, is prepared by the raw material of following portions by weight: polypropylene 55 parts, 65 parts, carbon fiber, thermoplastic elastomer 38 parts, fire retardant 18 parts, coupling agent 2.6 parts and 3 parts, oxidation inhibitor.
The technical scheme of advantageous embodiment, is prepared by the raw material of following portions by weight: polypropylene 65 parts, 70 parts, carbon fiber, thermoplastic elastomer 40 parts, fire retardant 20 parts, coupling agent 4 parts and 4 parts, oxidation inhibitor.
The technical scheme of further improvement, thermoplastic elastomer is any one or its combination of SIS or SEPS or TPO or TPB or TPEE.
The technical scheme of further improvement, fire retardant is aluminium hydroxide; Coupling agent is chromium network coupling agent, titanate coupling agent or silane coupling agent; Oxidation inhibitor is 2,6-, tri-grades of butyl-4-methylphenols or four (β-(3,5-, tri-grades of butyl-4-hydroxy phenyls) propionic acid) pentaerythritol ester.
The technical scheme of further improvement, also comprises N, N '-dinitrosopentamethylene tetramine 2-6 part.
Beneficial effect of the present invention is: effectively can resist cold low temperature environment, and has antiacid alkali, anti-oxidant, anti-electrostatic and impact-resistant technique effect.
Embodiment
The invention provides a kind of modified plastics, prepared by the raw material of following portions by weight: polypropylene 50-65 part, carbon fiber 50-70 part, thermoplastic elastomer 25-40 part, fire retardant 8-20 part, coupling agent 2.5-4 part and oxidation inhibitor 2.5-4 part.
Embodiment one:
By homopolymer polypropylene and polypropylene copolymer according to 1: 1 ratio mix, then the polypropylene 50 parts mixed is got, 50 parts, carbon fiber and thermoplastic elastomer 25 parts, put into reactor stir and heat, when temperature reaches more than 75 DEG C, fire retardant 8 parts is added in reactor, coupling agent 2.5 parts and 2.5 parts, oxidation inhibitor, when temperature in question response still reaches 85 DEG C to 120 DEG C, get the reactant in reactor and be added in conical double screw extruder and carry out granulation, produce granulated plastic, the pipe fitting that this granulated plastic is produced can resist the low temperature of subzero less than 50 degree, and there is fire-retardant and oxidation resistant technique effect.
Embodiment two:
By homopolymer polypropylene and atactic copolymerized polypropene according to 1: 1 ratio mix, then the polypropylene 60 parts mixed is got, 65 parts, carbon fiber and thermoplastic elastomer 32 parts, put into reactor stir and heat, when temperature reaches more than 75 DEG C, fire retardant 16 parts is added in reactor, coupling agent 3.5 parts and 3.5 parts, oxidation inhibitor, when temperature in question response still reaches 85 DEG C to 120 DEG C, get the reactant in reactor and be added in conical double screw extruder and carry out granulation, produce granulated plastic, the pipe fitting that this granulated plastic is produced can resist the low temperature of subzero less than 60 degree, and there is fire-retardant and oxidation resistant technique effect.
Embodiment three:
By homopolymer polypropylene and atactic copolymerized polypropene according to 1: 1 ratio mix, then the polypropylene 55 parts mixed is got, 65 parts, carbon fiber and thermoplastic elastomer (SEPS) 38 parts, put into reactor stir and heat, when temperature reaches more than 75 DEG C, fire retardant (aluminium-hydroxide powder) 18 parts is added in reactor, chromium network coupling agent 2.6 parts and oxidation inhibitor (four (β-(3, 5-tri-grades of butyl-4-hydroxy phenyls) propionic acid) pentaerythritol ester) 3 parts, when temperature in question response still reaches 85 DEG C to 120 DEG C, get the reactant in reactor and be added in conical double screw extruder and carry out granulation, produce granulated plastic, the pipe fitting that this granulated plastic is produced can resist the low temperature of subzero less than 65 degree, and there is fire-retardant and oxidation resistant technique effect.
Embodiment four:
By homopolymer polypropylene and atactic copolymerized polypropene according to 1: 1 ratio mix, then the polypropylene 65 parts mixed is got, 70 parts, carbon fiber and thermoplastic elastomer 40 parts, put into reactor stir and heat, when temperature reaches more than 75 DEG C, aluminium-hydroxide powder 20 parts is added in reactor, titanate coupling agent 4 parts and oxidation inhibitor (2, 6-tri-grades of butyl-4-methylphenols) 4 parts, when temperature in question response still reaches 85 DEG C to 120 DEG C, get the reactant in reactor and be added in conical double screw extruder and carry out granulation, produce granulated plastic, the pipe fitting that this granulated plastic is produced can resist the low temperature of subzero less than 70 degree, there is fire-retardant and oxidation resistant technique effect, thermal conductivity effect is better than above embodiment simultaneously.
Embodiment five
By homopolymer polypropylene and atactic copolymerized polypropene according to 1: 1 ratio mix, then the polypropylene 65 parts and thermoplastic elastomer 40 parts that mix is got, put into reactor stir and heat, when temperature reaches more than 75 DEG C, aluminium-hydroxide powder 20 parts is added in reactor, titanate coupling agent 4 parts and oxidation inhibitor (2, 6-tri-grades of butyl-4-methylphenols) 4 parts, when temperature in question response still reaches 85 DEG C to 120 DEG C, 50-70 part carbon fiber (carbon fiber exothermic part) is added in the reactant in reactor, be connected to each other in the carbon fiber added in the present embodiment plastics after shaping, for dispelling the heat better or generating heat better when being energized to carbon fiber, also the convenience of wiring is conducive to, can be resisted the low temperature of subzero less than 70 degree by the pipe fitting of this plastics-production, have fire-retardant and oxidation resistant technique effect, thermal conductivity effect is better than above embodiment simultaneously.
Embodiment six
By homopolymer polypropylene and atactic copolymerized polypropene according to 1: 1 ratio mix, then the polypropylene 65 parts and thermoplastic elastomer 40 parts that mix is got, put into reactor stir and heat, when temperature reaches more than 75 DEG C, aluminium-hydroxide powder 20 parts is added in reactor, titanate coupling agent 4 parts and oxidation inhibitor (2, 6-tri-grades of butyl-4-methylphenols) 4 parts, when temperature in question response still reaches 85 DEG C to 120 DEG C, 50-70 part carbon fiber (carbon fiber exothermic part) is added in the reactant in reactor, be connected to each other in the carbon fiber added in the present embodiment plastics after shaping, for dispelling the heat better or generating heat better when being energized to carbon fiber, also the convenience of wiring is conducive to, the low temperature of subzero less than 70 degree can be resisted by the pipe fitting of this plastics-production, there is fire-retardant and oxidation resistant technique effect.For make shaping after pipe fitting there is better purposes, when making plastics, carbon fiber is kept to stretch out shaping plastics, and a conducting terminal is suppressed on the one end of the carbon fiber stretched out, the other end of the carbon fiber stretched out also suppresses a conducting terminal, when the pipe fitting adstante febre needing to be made up of the present embodiment, only need be energized on two conducting terminals, and heating is fast, energy-conservation.
It should be noted that, above material also has the alternative of some equivalences, and such as carbon fiber can use a kind of or several ceramic powder comprised in beryllium oxide, aluminium nitride, silicon nitride, boron nitride, magnesium oxide or aluminum oxide to replace; Carbon fiber also can use metal-powder to replace; And thermoplastic elastomer when lower than 50%, appropriate can improve cold performance when increasing the amount of thermoplastic elastomer.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done on its composition or condition; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (9)
1. a modified plastics, is characterized in that, is prepared by the raw material of following portions by weight: polypropylene 50-65 part, carbon fiber 50-70 part, thermoplastic elastomer 25-40 part, fire retardant 8-20 part, coupling agent 2.5-4 part and oxidation inhibitor 2.5-4 part.
2. modified plastics according to claim 1, is characterized in that, polypropylene is the mixture of homopolymer polypropylene and polypropylene copolymer, and the proportioning of homopolymer polypropylene and polypropylene copolymer is 1: 1.
3. modified plastics according to claim 2, is characterized in that, polypropylene copolymer is atactic copolymerized polypropene.
4. modified plastics according to claim 3, is characterized in that, is prepared by the raw material of following portions by weight: polypropylene 50 parts, 50 parts, carbon fiber, thermoplastic elastomer 25 parts, fire retardant 8 parts, coupling agent 2.5 parts and 2.5 parts, oxidation inhibitor.
5. modified plastics according to claim 3, is characterized in that, is prepared by the raw material of following portions by weight: polypropylene 60 parts, 65 parts, carbon fiber, thermoplastic elastomer 32 parts, fire retardant 16 parts, coupling agent 3.5 parts and 3.5 parts, oxidation inhibitor.
6. modified plastics according to claim 3, is characterized in that, is prepared by the raw material of following portions by weight: polypropylene 55 parts, 65 parts, carbon fiber, thermoplastic elastomer 38 parts, fire retardant 18 parts, coupling agent 2.6 parts and 3 parts, oxidation inhibitor.
7. modified plastics according to claim 3, is characterized in that, is prepared by the raw material of following portions by weight: polypropylene 65 parts, 70 parts, carbon fiber, thermoplastic elastomer 40 parts, fire retardant 20 parts, coupling agent 4 parts and 4 parts, oxidation inhibitor.
8. the modified plastics according to any one of claim 1-7, is characterized in that, thermoplastic elastomer is any one or its combination of SIS or SEPS or TPO or TPB or TPEE.
9. modified plastics according to claim 8, is characterized in that, fire retardant is aluminium hydroxide; Coupling agent is chromium network coupling agent, titanate coupling agent or silane coupling agent; Oxidation inhibitor is 2,6-, tri-grades of butyl-4-methylphenols or four (β-(3,5-, tri-grades of butyl-4-hydroxy phenyls) propionic acid) pentaerythritol ester.
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CN201510520122.8A CN105061897A (en) | 2015-08-19 | 2015-08-19 | Modified plastics |
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CN201510520122.8A CN105061897A (en) | 2015-08-19 | 2015-08-19 | Modified plastics |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105733099A (en) * | 2016-03-08 | 2016-07-06 | 苏州珍展科技材料有限公司 | Preparation method of carbon fiber-polypropylene composites |
CN107828135A (en) * | 2017-12-05 | 2018-03-23 | 苏州水博士建材科技有限公司 | A kind of PPR pipe with copper sense |
CN107936384A (en) * | 2017-12-05 | 2018-04-20 | 苏州水博士建材科技有限公司 | A kind of PPR pipe with aluminum metal effect of high-low temperature resistant |
CN107955273A (en) * | 2017-12-05 | 2018-04-24 | 苏州水博士建材科技有限公司 | A kind of preparation method of the PPR pipe with copper metal effect |
CN108047571A (en) * | 2017-12-05 | 2018-05-18 | 苏州水博士建材科技有限公司 | A kind of method for preparing the PPR pipe with aluminum metal effect |
CN108285577A (en) * | 2018-01-31 | 2018-07-17 | 河北贵航鸿图汽车零部件有限公司 | A kind of TPEE modified thermoplastic elastomers weather strip for automobile |
CN108659348A (en) * | 2018-06-11 | 2018-10-16 | 全椒祥瑞塑胶有限公司 | A kind of method of coupling modifier chopped carbon fiber-pyridiniujm modified montmorillonoid enhancing flame-retardant polypropylene composite material |
CN109206937A (en) * | 2017-07-03 | 2019-01-15 | 镇江市睿泽文化传播有限公司 | A kind of wear-resistant plastic garden instrument |
CN110396244A (en) * | 2019-07-31 | 2019-11-01 | 黄山华塑新材料科技有限公司 | The PP Wood plastic composite and preparation method fire-retardant, low-temperature impact resistance toughness is excellent |
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CN103030879A (en) * | 2011-09-29 | 2013-04-10 | 合肥杰事杰新材料股份有限公司 | Environment-friendly flame retardance permanent antistatic polypropylene material and preparation method of environment-friendly flame retardance permanent antistatic polypropylene material |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105733099A (en) * | 2016-03-08 | 2016-07-06 | 苏州珍展科技材料有限公司 | Preparation method of carbon fiber-polypropylene composites |
CN109206937A (en) * | 2017-07-03 | 2019-01-15 | 镇江市睿泽文化传播有限公司 | A kind of wear-resistant plastic garden instrument |
CN107828135A (en) * | 2017-12-05 | 2018-03-23 | 苏州水博士建材科技有限公司 | A kind of PPR pipe with copper sense |
CN107936384A (en) * | 2017-12-05 | 2018-04-20 | 苏州水博士建材科技有限公司 | A kind of PPR pipe with aluminum metal effect of high-low temperature resistant |
CN107955273A (en) * | 2017-12-05 | 2018-04-24 | 苏州水博士建材科技有限公司 | A kind of preparation method of the PPR pipe with copper metal effect |
CN108047571A (en) * | 2017-12-05 | 2018-05-18 | 苏州水博士建材科技有限公司 | A kind of method for preparing the PPR pipe with aluminum metal effect |
CN108285577A (en) * | 2018-01-31 | 2018-07-17 | 河北贵航鸿图汽车零部件有限公司 | A kind of TPEE modified thermoplastic elastomers weather strip for automobile |
CN108659348A (en) * | 2018-06-11 | 2018-10-16 | 全椒祥瑞塑胶有限公司 | A kind of method of coupling modifier chopped carbon fiber-pyridiniujm modified montmorillonoid enhancing flame-retardant polypropylene composite material |
CN110396244A (en) * | 2019-07-31 | 2019-11-01 | 黄山华塑新材料科技有限公司 | The PP Wood plastic composite and preparation method fire-retardant, low-temperature impact resistance toughness is excellent |
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