CN105175887A - Preparation method for enhanced thermal insulation modified plastic capable of secondary processing - Google Patents
Preparation method for enhanced thermal insulation modified plastic capable of secondary processing Download PDFInfo
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- CN105175887A CN105175887A CN201510456066.6A CN201510456066A CN105175887A CN 105175887 A CN105175887 A CN 105175887A CN 201510456066 A CN201510456066 A CN 201510456066A CN 105175887 A CN105175887 A CN 105175887A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
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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
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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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
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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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 discloses a preparation method for enhanced thermal insulation modified plastic capable of secondary processing. The preparation method comprises the following steps: firstly, polyolefin resins, insulation filling materials, flexibilizers and surface treating agents are mixed at a weight ratio of 100:10-80:5-30:0.1-1, the mixture is subjected to fusion at a temperature of 60-100 DEG C for 5-30min; secondly, flame retardants, dispersed lubricants, stabilizing agents and anti-oxidants are mixed uniformly at a weight ratio of 100:5-30:5-20:5-20; thirdly, the mixture obtained in the first step and the mixture obtained in the second step are mixed uniformly at a weight ratio of 100:2-10, and then molding granulation is carried out through a double screw extruder; fourthly, enhanced fibers are added in the double screw extruder through the last heating region feed inlet of the double screw extruder, granules are extruded, and secondary processing enhanced thermal insulation modified plastic can be obtained. The method is simple and practicable, and the prepared plastic has good thermal insulation effects and good flame retardation effects.
Description
Technical field
The invention belongs to plastic material technical field, be specifically related to a kind ofly secondary processing to strengthen the preparation method of heat-insulation and heat-preservation modified plastics.
Background technology
Along with the development of science and technology, insulating plastic pipe is that usage quantity is increasing, but because insulating plastic pipe is difficult to be degraded under field conditions (factors), especially the porous plastics of white, because of light, the bulky feature of its quality, considerably increases degraded difficulty, most employing burning processes it, but can send pungent niff when burning, the more important thing is and cause severe contamination to environment, therefore consequent environmental problem also becomes day by day serious.Along with the improvement to insulating plastic pipe, occurred a lot of degradative plastics in recent years, as biodegradable plastic, photodegradable plastics, but this degradative plastics not easily carries out secondary processing, or secondary processing go out plastics heat insulation and preservation effect bad.
Summary of the invention
The present invention is directed to above-mentioned weak point and provide a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, the method is simple, the heat insulation high insulating effect of the plastics prepared, good flame retardation effect, and tubing, moulding etc. can be formed through secondary processing, can be used for the fields such as energy-saving building material, plumbing pipe, lagging casing.
For achieving the above object, the technical solution adopted for the present invention to solve the technical problems is:
Secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, comprise the following steps:
(1) by polyolefin resin, insulation filler, toughner, surface treatment agent by weight for 100:10-80:5-30:0.1-1 mix, melting 5-30min under 60-100 DEG C of condition;
(2) be that 100:5-30:5-20:5-20 mixes by weight by fire retardant, dispersed lubricant, stablizer, oxidation inhibitor;
(3) mixture in step (1) is mixed by weight for 100:2-10 with the mixture in step (2), mix through high-speed mixer, then through twin screw extruder molding, granulating, control each zone temperatures of twin screw extruder and control as 180-200 DEG C;
(4) fortifying fibre is added twin screw extruder from last heating zone spout of twin screw extruder, extruding pelletization obtains and secondary processing can strengthen heat-insulation and heat-preservation modified plastics; Wherein, in fortifying fibre and step (3), in mixing machine, the weight ratio of mixture is 10-50:100.
Further, described polyolefin resin is acrylic resin, and resin melting index range is 2-30g/10min.
Further, described insulation filler is one or more composite in hollow glass bead, borosilicic acid rock cenosphere, expanded graphite, pearlstone, phase change material.
Further, described toughner is one or more composite in Low Density Polyethylene, high density polyethylene(HDPE), linear low density polyethylene, polyolefin elastomer.
Further, described surface treatment agent is one or more in γ-(methacryloxypropyl) propyl trimethoxy silicane, tetravinyl tetramethyl-ring tetrasiloxane, vinyltrimethoxy silane, vinyltriethoxysilane.
Further, described fire retardant is brominated, phosphorus, nitrogen response type environmental protection fire retarding agent.
Further, described dispersed lubricant is one or more composite in polyethylene wax, Poly Propylene Wax, stearic acid, stearylamide, TAS-2A, EBS, paraffin, microcrystalline wax, whiteruss, calcium stearate, Zinic stearas.
Further, described stablizer is tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
Further, described oxidation inhibitor be the multipolymer of ethylene-octene, pentanoic, to one or more in benzene two ammonium.
Further, described fortifying fibre is one or more in glass fibre, mineral fibre, continuous basalt fiber, calcium carbonate crystal whisker.
Provided by the inventionly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, have following several beneficial effect:
(1) preparation method is simple, the heat insulation high insulating effect of the plastics prepared, good flame retardation effect.
(2) plastics prepared can form tubing, moulding etc. through secondary processing, can be used for the fields such as energy-saving building material, plumbing pipe, lagging casing.
Embodiment
Embodiment 1
Secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, comprise the following steps:
(1) be the acrylic resin of 2-30g/min by resin melting index, hollow glass bead, polyolefin elastomer, γ-(methacryloxypropyl) propyl trimethoxy silicane mix by weight for 100:10:5:0.1, melting 30min under 60 DEG C of conditions;
(2) by the multipolymer of brominated response type environmental protection fire retarding agent, polyethylene wax, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, ethylene-octene be 100:5:5:5 mixing by weight;
(3) mixture in step (1) is mixed by weight for 50:1 with the mixture in step (2), mix through high-speed mixer, then through twin screw extruder molding, granulating, control each zone temperatures of twin screw extruder and control as 180-200 DEG C;
(4) glass fibre is added twin screw extruder from last heating zone spout of twin screw extruder, extruding pelletization obtains and secondary processing can strengthen heat-insulation and heat-preservation modified plastics; Wherein, in fortifying fibre and step (3), in mixing machine, the weight ratio of mixture is 1:10.
Embodiment 2
Secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, comprise the following steps:
(1) be the acrylic resin of 2-30g/min by resin melting index, expanded graphite, high density polyethylene(HDPE), Low Density Polyethylene, tetravinyl tetramethyl-ring tetrasiloxane mix by weight for 100:80:15:15:1, melting 5min under 100 DEG C of conditions;
(2) be that 100:30:20:20 mixes by weight by phosphorous response type environmental protection fire retarding agent, stearic acid, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, pentanoic;
(3) mixture in step (1) is mixed by weight for 10:1 with the mixture in step (2), mix through high-speed mixer, then through twin screw extruder molding, granulating, control each zone temperatures of twin screw extruder and control as 180-200 DEG C;
(4) mineral fibre is added twin screw extruder from last heating zone spout of twin screw extruder, extruding pelletization obtains and secondary processing can strengthen heat-insulation and heat-preservation modified plastics; Wherein, in fortifying fibre and step (3), in mixing machine, the weight ratio of mixture is 1:2.
Embodiment 3
Secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, comprise the following steps:
(1) be the acrylic resin of 2-30g/min by resin melting index, hollow glass bead, borosilicic acid rock cenosphere, high density polyethylene(HDPE), linear low density polyethylene, vinyltrimethoxy silane mix by weight for 100:30:30:10:10:0.5, melting 15min under 80 DEG C of conditions;
(2) by nitrogenous response type environmental protection fire retarding agent, calcium stearate, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, to benzene two ammonium by weight for 100:15:12:12 mix;
(3) mixture in step (1) is mixed by weight for 20:1 with the mixture in step (2), mix through high-speed mixer, then through twin screw extruder molding, granulating, control each zone temperatures of twin screw extruder and control as 180-200 DEG C;
(4) continuous basalt fiber is added twin screw extruder from last heating zone spout of twin screw extruder, extruding pelletization obtains and secondary processing can strengthen heat-insulation and heat-preservation modified plastics; Wherein, in fortifying fibre and step (3), in mixing machine, the weight ratio of mixture is 1:5.
Embodiment 4
Secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, comprise the following steps:
(1) be the acrylic resin of 2-30g/min by resin melting index, expanded graphite, pearlstone, polyolefin elastomer, vinyltriethoxysilane mix by weight for 100:25:25:20:0.6, melting 10min under 100 DEG C of conditions;
(2) by the multipolymer of phosphorous response type environmental protection fire retarding agent, TAS-2A, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, ethylene-octene be 100:20:13:15 mixing by weight;
(3) mixture in step (1) is mixed by weight for 25:2 with the mixture in step (2), mix through high-speed mixer, then through twin screw extruder molding, granulating, control each zone temperatures of twin screw extruder and control as 180-200 DEG C;
(4) calcium carbonate crystal whisker is added twin screw extruder from last heating zone spout of twin screw extruder, extruding pelletization obtains and secondary processing can strengthen heat-insulation and heat-preservation modified plastics; Wherein, in fortifying fibre and step (3), in mixing machine, the weight ratio of mixture is 2:5.
Provided by the inventionly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, the method is simple, the heat insulation high insulating effect of the plastics prepared, good flame retardation effect, and tubing, moulding etc. can be formed through secondary processing, can be used for the fields such as energy-saving building material, plumbing pipe, lagging casing.
Claims (10)
1. secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, comprise the following steps:
(1) by polyolefin resin, insulation filler, toughner, surface treatment agent by weight for 100:10-80:5-30:0.1-1 mix, melting 5-30min under 60-100 DEG C of condition;
(2) be that 100:5-30:5-20:5-20 mixes by weight by fire retardant, dispersed lubricant, stablizer, oxidation inhibitor;
(3) mixture in step (1) is mixed by weight for 100:2-10 with the mixture in step (2), mix through high-speed mixer, then through twin screw extruder molding, granulating, control each zone temperatures of twin screw extruder and control as 180-200 DEG C;
(4) fortifying fibre is added twin screw extruder from last heating zone spout of twin screw extruder, extruding pelletization obtains and secondary processing can strengthen heat-insulation and heat-preservation modified plastics; Wherein, in fortifying fibre and step (3), in mixing machine, the weight ratio of mixture is 10-50:100.
2. according to claim 1ly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, described polyolefin resin is acrylic resin, and resin melting index range is 2-30g/10min.
3. according to claim 1ly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, described insulation filler is one or more composite in hollow glass bead, borosilicic acid rock cenosphere, expanded graphite, pearlstone, phase change material.
4. according to claim 3ly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, described toughner is one or more composite in Low Density Polyethylene, high density polyethylene(HDPE), linear low density polyethylene, polyolefin elastomer.
5. according to claim 1ly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, described surface treatment agent is one or more in γ-(methacryloxypropyl) propyl trimethoxy silicane, tetravinyl tetramethyl-ring tetrasiloxane, vinyltrimethoxy silane, vinyltriethoxysilane.
6. according to claim 1ly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, described fire retardant is brominated, phosphorus, nitrogen response type environmental protection fire retarding agent.
7. according to claim 1ly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, described dispersed lubricant is one or more composite in polyethylene wax, Poly Propylene Wax, stearic acid, stearylamide, TAS-2A, EBS, paraffin, microcrystalline wax, whiteruss, calcium stearate, Zinic stearas.
8. according to claim 1ly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, described stablizer is tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
9. according to claim 1ly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, described oxidation inhibitor be the multipolymer of ethylene-octene, pentanoic, to one or more in benzene two ammonium.
10. according to claim 1ly a kind ofly secondary processing can strengthen the preparation method of heat-insulation and heat-preservation modified plastics, it is characterized in that, described fortifying fibre is one or more in glass fibre, mineral fibre, continuous basalt fiber, calcium carbonate crystal whisker.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021780A (en) * | 2017-03-30 | 2017-08-08 | 合肥金同维低温科技有限公司 | A kind of refrigerator sound-insulating material and preparation method |
| CN108752736A (en) * | 2018-05-16 | 2018-11-06 | 合肥市旺友门窗有限公司 | A kind of novel heat insulation door and window composite material and preparation method |
| CN108948534A (en) * | 2018-07-26 | 2018-12-07 | 合肥帧讯低温科技有限公司 | A kind of insulation supplying pipe and preparation method thereof |
| CN109320843A (en) * | 2018-10-11 | 2019-02-12 | 安庆市泽烨新材料技术推广服务有限公司 | Polypropylene flame redardant thermal insulation material and preparation method thereof |
| CN109354774A (en) * | 2018-10-11 | 2019-02-19 | 安庆市泽烨新材料技术推广服务有限公司 | Polypropylene toughening heat-preserving complex material and preparation method thereof |
| CN109467798A (en) * | 2018-10-11 | 2019-03-15 | 安庆市泽烨新材料技术推广服务有限公司 | Polypropylene thermal insulation material and preparation method thereof |
| CN112048918A (en) * | 2020-09-12 | 2020-12-08 | 浙江省天台天峰滤料有限公司 | Special heat-insulating cover cloth for durable electrolytic cell and preparation method |
| US11459411B2 (en) * | 2017-06-29 | 2022-10-04 | Dow Global Technologies Llc | Polyolefin composition |
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| CN101775173A (en) * | 2010-02-25 | 2010-07-14 | 奇瑞汽车股份有限公司 | Polypropylene composite material and preparation method thereof |
| CN103160030A (en) * | 2011-12-16 | 2013-06-19 | 上海铂砾耐材料科技有限公司 | Thermoplastic composite material for hollow building templates and manufacture method thereof and application thereof |
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| CN104403197A (en) * | 2014-11-28 | 2015-03-11 | 苏州银禧科技有限公司 | Reinforced flame-retardant heat insulation composite material |
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2015
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Patent Citations (4)
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| CN101775173A (en) * | 2010-02-25 | 2010-07-14 | 奇瑞汽车股份有限公司 | Polypropylene composite material and preparation method thereof |
| CN103160030A (en) * | 2011-12-16 | 2013-06-19 | 上海铂砾耐材料科技有限公司 | Thermoplastic composite material for hollow building templates and manufacture method thereof and application thereof |
| CN103289221A (en) * | 2012-02-29 | 2013-09-11 | 汤广武 | Insulation board taking waste plastics as raw materials and preparation method thereof |
| CN104403197A (en) * | 2014-11-28 | 2015-03-11 | 苏州银禧科技有限公司 | Reinforced flame-retardant heat insulation composite material |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021780A (en) * | 2017-03-30 | 2017-08-08 | 合肥金同维低温科技有限公司 | A kind of refrigerator sound-insulating material and preparation method |
| US11459411B2 (en) * | 2017-06-29 | 2022-10-04 | Dow Global Technologies Llc | Polyolefin composition |
| CN108752736A (en) * | 2018-05-16 | 2018-11-06 | 合肥市旺友门窗有限公司 | A kind of novel heat insulation door and window composite material and preparation method |
| CN108948534A (en) * | 2018-07-26 | 2018-12-07 | 合肥帧讯低温科技有限公司 | A kind of insulation supplying pipe and preparation method thereof |
| CN109320843A (en) * | 2018-10-11 | 2019-02-12 | 安庆市泽烨新材料技术推广服务有限公司 | Polypropylene flame redardant thermal insulation material and preparation method thereof |
| CN109354774A (en) * | 2018-10-11 | 2019-02-19 | 安庆市泽烨新材料技术推广服务有限公司 | Polypropylene toughening heat-preserving complex material and preparation method thereof |
| CN109467798A (en) * | 2018-10-11 | 2019-03-15 | 安庆市泽烨新材料技术推广服务有限公司 | Polypropylene thermal insulation material and preparation method thereof |
| CN112048918A (en) * | 2020-09-12 | 2020-12-08 | 浙江省天台天峰滤料有限公司 | Special heat-insulating cover cloth for durable electrolytic cell and preparation method |
| CN112048918B (en) * | 2020-09-12 | 2021-10-26 | 浙江省天台天峰滤料有限公司 | Special heat-insulating cover cloth for durable electrolytic cell and preparation method |
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Application publication date: 20151223 |