CN104710765A - High-performance thermal-conducting thermal-insulation PC/ABS alloy prepared from waste electrical appliance outer shells and preparation method thereof - Google Patents
High-performance thermal-conducting thermal-insulation PC/ABS alloy prepared from waste electrical appliance outer shells and preparation method thereof Download PDFInfo
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
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Abstract
A high-performance thermal-conducting thermal-insulation PC/ABS alloy prepared from waste electrical appliance outer shells has the raw material formula prepared from the following substances in parts by weight: 50-70 parts of a waste electrical appliance outer shell PC crushed material, 30-50 parts of a waste electrical appliance outer shell ABS crushed material, 25-100 parts of a modified thermal-conducting thermal-insulation filler, 15-25 parts of glass fiber, 10-25 parts of a compatibility agent, 1-5 parts of an initiator, 1-10 parts of an antioxidant, and 1-10 parts of a lubricant. According to the high-performance thermal-conducting thermal-insulation PC/ABS alloy, the waste electrical appliance outer shell PC and ABS materials are adopted for replacing PC and ABS new materials; aiming at the characteristics of the waste PC and ABS, the suitable compatibility agent and other auxiliary agents are adopted, and the higher-performance PC/ABS alloy is prepared, so that a large amount of waste electrical appliance outer shells are saved, and contribution is made to energy saving and environmental protection.
Description
Technical field
The present invention relates to waste electrical equipment shell reclaiming technical field, be specifically related to a kind of high-performance heat conductive insulating PC/ABS alloy of being prepared by waste electrical equipment shell and application thereof.
Background technology
Waste electrical equipment refer to waste in electric equipment products production process and consumption use in Product Renewal or electronic and electrical equipment discarded after reaching work-ing life.From 2003, China had 5,000,000 televisors every year at least, and 4,000,000 refrigerators and 3,000,000 washing machines are scrapped.In addition, the consumption of China's computer and mobile phone increases sharply in recent years.At present, nearly 5,000 ten thousand of whole society's computer recoverable amount, mobile telephone about 3.2 hundred million, and the update speed of computer and mobile telephone is far faster than household appliances.For electronic apparatus shell, use maximum materials for acrylonitrile-butadiene-styrene copolymer (ABS) and polycarbonate (PC).Therefore a large amount of ABS and PC waste and scraps is also created.PC is a kind of engineering plastics of excellent combination property, has excellent electrical insulating property, thermotolerance, flame retardant resistance, dimensional stability and good mechanical property, but processing fluidity is poor, the notch sensitivity of low temperature brittleness and anti-impact.ABS is also a kind of widely used engineering plastics, have good shock strength, tensile strength and processing fluidity, but heat-drawn wire is lower.PC/ABS alloy can improve the over-all properties of ABS and PC.
At present, processing mode for waste electrical equipment sheating material has following two kinds: (1) is buried or burned, as selected to bury mode, because ABS and PC is difficult degradation plastics, can take a large amount of land resources, and in waste and old shell, the poisonous percolate of a lot of small molecules can enter soil and groundwater and produce pollution.As selected burning mode, the great amount of carbon dioxide produced in burning process and toxic gas are just directly discharged in air, cause Greenhouse effect and environmental pollution.(2) simply reclaim, do not do any modification and directly reduce to common plastics use, the waste of material and a large amount of products of inferior quality can be caused like this.Above-mentioned recovery and treatment method not only serious environment pollution, and the resource that waste is valuable, do not meet the Development patterns of the strategy of sustainable development and recycling economy.Therefore, the inevitable approach meeting the requirement of industry development inherent law under also highly efficient regeneration utilizes such waste electrical equipment shell to become novel economizer pattern is reclaimed.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, to propose with waste electrical equipment shell PC and ABS as starting material, prepare a kind of high-performance heat conductive insulating PC/ABS alloy.Be characterized in the strongthener such as heat conduction inorganic filler and glass that with the addition of vinyl silicane coupling agent modification in the preparation process of PC/ABS alloy, improve thermal conductivity and the mechanical property of waste and old PC/ABS alloy.This alloy material can be used for the electronic and electrical equipment such as transformer casing, notebook computer shell, outer casing of power supply, LED illumination Lamp cup of needs heat radiation.
Technical problem to be solved by this invention realizes by the following technical solutions:
The high-performance heat conductive insulating PC/ABS alloy prepared by waste electrical equipment shell, its composition of raw materials is made up of the material of following parts by weight:
Described waste electrical equipment shell PC broken material is the broken material particle diameter that waste electrical equipment shell PC material obtains after crusher in crushing being less than or equal to 8mm;
Described waste electrical equipment shell ABS broken material is the broken material particle diameter that waste electrical equipment shell ABS material obtains after crusher in crushing being less than or equal to 8mm;
Described heat-conductive insulation filling is the Al of particle diameter 1-40 μm
2o
3, 1-20 μm MgO and 1-10 μm ZnO any one and 1-10 μm of AlN, 1-10 μm of Si
3n
4with any one composite filler prepared in proportion of 1-10 μm of SiC, heat-conductive insulation filling is all by silane coupler modified process;
Described glass fibre is fiberglas chopped strand, chopped length 3-5mm, Fibre diameter 9-13 μm;
Described compatilizer is ABS maleic anhydride graft (ABS-g-MAH), atactic styrene-maleic anhydride copolymer (SMA) or MBS (MBS);
Described initiator is dicumyl peroxide (DCP) or 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane (DBPH);
Described oxidation inhibitor is antioxidant 1010 and the irgasfos 168 mixture by weight 1:1;
Described lubricant is ethylene bis stearamide (EBS);
Described silane coupling agent is the one of vinyltrimethoxy silane, vinyltriethoxysilane, vinyltriacetoxy silane, vinyl three tert-butoxy silane or γ-(methacryloxypropyl) propyl trimethoxy silicane.
A preparation method for the as described above high-performance heat conductive insulating PC/ABS alloy prepared by waste electrical equipment shell, comprises the following steps:
(1) preparation of waste electrical equipment shell PC broken material
Collect the waste material of waste electrical equipment shell PC, use cutting machine that length is carried out cutting more than the PC waste material of 300mm, then be added in crusher by the PC waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the PC broken material of 8mm;
(2) preparation of waste electrical equipment shell ABS broken material
Collect the waste material of waste electrical equipment shell ABS, use cutting machine that length is carried out cutting more than the ABS waste material of 300mm, then be added in crusher by the ABS waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the ABS broken material of 8mm;
(3) surface modification treatment of heat-conductive insulation filling
Heat-conductive insulation filling is joined in high-speed mixer, high-speed mixer temperature is set to 100 DEG C, take the silane coupling agent of heat conductive filler quality 0.5-2% again, make mixing solutions after dissolving with water alcohol mixed solution and be hydrolyzed 30 minutes, by on disposable for the mixing solutions filler be sprayed in high-speed mixer, and heating mix and blend 10-30 minute, modified heat-conductive insulation filling removes unnecessary solvent in 80 DEG C of oven dry to constant weights;
(4) preparation of high-performance heat conductive insulating PC/ABS alloy
Take each component by above-mentioned parts by weight and put into high-speed mixer Homogeneous phase mixing 10 minutes, then twin screw extruder extruding pelletization is dropped into, each section of extrusion temperature be respectively 180-220 DEG C, 220-240 DEG C, 230-240 DEG C, 235-245 DEG C, 240-250 DEG C, 235-245 DEG C, 230-240 DEG C, obtained high-performance heat conductive insulating PC/ABS alloy.
Because inorganic surfaces exists hydroxyl, make it be difficult to wetting and dispersion in the base, surface energy is comparatively large and tend to reunite, and generally uses coupling agent to carry out surface modification treatment to heat conductive filler at present.The present invention's vinyl silicane coupling agent used is in surface treatment heat conductive filler process, and methoxyl group contained on silane coupled agent molecule or oxyethyl group can be hydrolyzed into hydroxyl, with heat conductive filler surface, chemical bonding or physisorption occurs; Simultaneously in reactive extrursion process, due to-the CH be connected with double bond in ABS
2-on the activity of hydrogen very strong, under the effect of initiator, first generate free radical, this free radical can cause double bond on vinyl silicane coupling agent and with its combination.Such vinyl silicane coupling agent is used in heat conductive insulating PC/ABS alloy, and on the one hand, after heat conductive filler surface is modified, its surface becomes hydrophobicity by wetting ability, improves the consistency with matrix; On the other hand, after heat-conductive insulation filling is processed, if its surface is connected by two or more vinyl silicane coupling agent, in reactive extrursion process and under the effect of initiator, chemical reaction can be there is in the vinyl on each vinyl silicane coupling agent with ABS, thus two or many polymer molecular chains are coupled together, improve the molecular weight of matrix, play the effect of chain extension.Therefore, the mechanical property of waste and old PC/ABS alloy improves.
Performance test is carried out to PC/ABS alloy prepared by aforesaid method, finds that this PC/ABS alloy has excellent thermal conductivity and mechanical property, can be used for the electronic and electrical equipment such as transformer casing, notebook computer shell, outer casing of power supply, LED illumination Lamp cup of needs heat radiation.
The invention has the beneficial effects as follows:
1, high-performance heat conductive insulating PC/ABS alloy of the present invention, the waste electrical equipment shell PC adopted and ABS material replace PC and ABS virgin material, and for the feature of waste and old PC and ABS, employ suitable compatilizer and other auxiliary agents, prepare the PC/ABS alloy that performance is higher, save a large amount of waste electrical equipment shell, and made contributions for energy-conserving and environment-protective.
2, high-performance heat conductive insulating PC/ABS alloy of the present invention, the silane coupling agent adopted is vinyl coupling agent, after such coupling agent treatment filler, not only effectively improve heat-conductive insulation filling dispersion effect in the base, and react with ABS under the effect of initiator in reactive extrursion process, play the effect of chain extension.Improve the mechanical property of waste and old PC/ABS alloy.
3, high-performance heat conductive insulating PC/ABS alloy of the present invention has excellent performance, can be used for the electronic and electrical equipment such as transformer casing, notebook computer shell, outer casing of power supply, LED illumination Lamp cup of needs heat radiation, for the electronic of country and household electric appliances provide technical support.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
Collect the waste material of waste electrical equipment shell PC, use cutting machine that length is carried out cutting more than the PC waste material of 300mm, then be added in crusher by the PC waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the PC broken material of 8mm.Collect the waste material of waste electrical equipment shell ABS, use cutting machine that length is carried out cutting more than the ABS waste material of 300mm, then be added in crusher by the ABS waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the ABS broken material of 8mm.
Take 1000g Al
2o
3(40 μm) join in high-speed mixer, and high-speed mixer temperature is set to 100 DEG C.Take the vinyltrimethoxy silane of 1% of heat conductive filler quality again, make mixing solutions after dissolving with water alcohol mixed solution and be hydrolyzed 30 minutes.By on disposable for the mixing solutions filler be sprayed in high-speed mixer, and heat mix and blend 10-30 minute.Modified heat-conductive insulation filling, in 80 DEG C of oven dry, obtains Modification on Al
2o
3.Take 1000g SiC (10 μm) again, adopt vinyltriethoxysilane to obtain modification SiC by above-mentioned disposal methods.
80 DEG C of dry 5h in loft drier by waste and old PC broken material and ABS broken material, by the ABS broken material of the PC broken material of 70 parts of above-mentioned dryings, 30 parts of above-mentioned dryings, 50 parts of above-mentioned obtained Modification on Al 2O3,50 parts of above-mentioned obtained SiC, 20 parts of glass fibre, 15 parts of ABS-g-MAH, 0.05 part of DCP, 3 parts of oxidation inhibitor and 1 part of lubricant in high-speed mixer blended 10 minutes, then drop into that forcing machine is extruded, granulation.Wherein, each section of temperature of forcing machine is followed successively by: district's temperature 180 DEG C, two district's temperature 230 DEG C, three district's temperature 235 DEG C, four district's temperature 240, five district's temperature 245 DEG C, six district's temperature 240 DEG C, head temperature 235 DEG C.Obtained high-performance heat conductive insulating PC/ABS alloy.
Gained high-performance heat conductive insulating PC/ABS alloy particle, in 70 DEG C of dryings, is placed 12 hours, is injection molded into standard batten, and testing its heat conductivility is: thermal conductivity is 0.8335W/ (mK).Mechanical property is: tensile strength is 48.24MPa, and notched Izod impact strength is 20.5kJ/m2, and flexural strength is 100.84MPa, and heat-drawn wire is 120 DEG C, and volume specific resistance is 1.11 × 1015 Ω cm.May be used for the electronic and electrical equipment such as transformer casing, notebook computer shell, outer casing of power supply, LED illumination Lamp cup needing heat radiation.
Embodiment 2
Collect the waste material of waste electrical equipment shell PC, use cutting machine that length is carried out cutting more than the PC waste material of 300mm, then be added in crusher by the PC waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the PC broken material of 8mm.Collect the waste material of waste electrical equipment shell ABS, use cutting machine that length is carried out cutting more than the ABS waste material of 300mm, then be added in crusher by the ABS waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the ABS broken material of 8mm.
Taking 600g ZnO (1 μm) joins in high-speed mixer, and high-speed mixer temperature is set to 100 DEG C.Take the vinyltriacetoxy silane coupling agent of 1.5% of heat conductive filler quality again, make mixing solutions after dissolving with water alcohol mixed solution and be hydrolyzed 30 minutes.By on disposable for the mixing solutions filler be sprayed in high-speed mixer, and heat mix and blend 10-30 minute.Modified heat-conductive insulation filling, in 80 DEG C of oven dry, obtains modification ZnO.Take 1400gAlN (10 μm) again, adopt vinyl three tert-butoxy silane to obtain Modification on Al N by above-mentioned treatment process same treatment.
80 DEG C of dry 5h in loft drier by waste and old PC broken material and ABS broken material, by the ABS broken material of the PC broken material of 50 parts of above-mentioned dryings, 50 parts of above-mentioned dryings, 25 parts of above-mentioned obtained modification ZnO, 50 parts of above-mentioned obtained AlN, 15 parts of glass fibre, 10 parts of SMA, 0.03 part of DCP, 2 parts of oxidation inhibitor and 1 part of lubricant in high-speed mixer blended 10 minutes, then drop into that forcing machine is extruded, granulation.Wherein, each section of temperature of forcing machine is followed successively by: 190 DEG C, 220 DEG C, 230 DEG C, 235 DEG C, 240 DEG C, 245 DEG C, 240 DEG C, obtained high-performance heat conductive insulating PC/ABS alloy.
Gained high-performance heat conductive insulating PC/ABS alloy particle, in 70 DEG C of dryings, is placed 12 hours, is injection molded into standard batten, and testing its heat conductivility is: thermal conductivity is 0.7576W/ (mK).Mechanical property is: tensile strength is 42.56MPa, and notched Izod impact strength is 35.2kJ/m2, and flexural strength is 88.52MPa, and heat-drawn wire is 110 DEG C, and volume specific resistance is 3.19 × 1015 Ω cm.May be used for the electronic and electrical equipment such as transformer casing, notebook computer shell, outer casing of power supply, LED illumination Lamp cup needing heat radiation.
Embodiment 3
Collect the waste material of waste electrical equipment shell PC, use cutting machine that length is carried out cutting more than the PC waste material of 300mm, then be added in crusher by the PC waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the PC broken material of 8mm.Collect the waste material of waste electrical equipment shell ABS, use cutting machine that length is carried out cutting more than the ABS waste material of 300mm, then be added in crusher by the ABS waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the ABS broken material of 8mm.
Taking 1000g MgO (20 μm) joins in high-speed mixer, and high-speed mixer temperature is set to 100 DEG C.Take γ-(methacryloxypropyl) propyl trimethoxy silicane of 2% of heat conductive filler quality again, make mixing solutions after dissolving with water alcohol mixed solution and be hydrolyzed 30 minutes.By on disposable for the mixing solutions filler be sprayed in high-speed mixer, and heat mix and blend 10-30 minute.Modified heat-conductive insulation filling, in 80 DEG C of oven dry, obtains modification MgO.Take 2000g Si3N4 (1 μm) again, obtain modification Si3N4 by above-mentioned treatment process same treatment.
80 DEG C of dry 5h in loft drier by waste and old PC broken material and ABS broken material, by the ABS broken material of the PC broken material of 60 parts of above-mentioned dryings, 40 parts of above-mentioned dryings, 15 parts of above-mentioned obtained modification MgO, 50 parts of above-mentioned obtained Si
3n
4, 20 parts of glass fibre, 15 parts of MSB, 0.05 part of DBPH, 2 parts of oxidation inhibitor and 2 parts of lubricants in high-speed mixer blended 10 minutes, then drop into that forcing machine is extruded, granulation.Wherein, each section of temperature of forcing machine is followed successively by: district's temperature 180 DEG C, two district's temperature 220 DEG C, three district's temperature 235 DEG C, four district's temperature 240, five district's temperature 245 DEG C, six district's temperature 240 DEG C, head temperature 230 DEG C.Obtained high-performance heat conductive insulating PC/ABS alloy.
Gained high-performance heat conductive insulating PC/ABS alloy particle, in 70 DEG C of dryings, is placed 12 hours, is injection molded into standard batten, and testing its heat conductivility is: thermal conductivity is 0.6228W/ (mK).Mechanical property is: tensile strength is 46.48MPa, and notched Izod impact strength is 25.6kJ/m2, and flexural strength is 95.35MPa, and heat-drawn wire is 105 DEG C, and volume specific resistance is 6.19 × 1015 Ω cm.May be used for the electronic and electrical equipment such as transformer casing, notebook computer shell, outer casing of power supply, LED illumination Lamp cup needing heat radiation.
The present invention relates to waste electrical equipment shell PC and ABS for starting material, a kind of high-performance heat conductive insulating PC/ABS alloy of preparation and application thereof.This high-performance heat conductive insulating PC/ABS alloy comprises the following material of parts by weight: waste electrical equipment shell PC broken material 50-70 part, waste electrical equipment shell ABS broken material 30-50 part, modification heat-conductive insulation filling 25-100 part, glass fibre 15-25 part, initiator 0.01-1 part, compatilizer 5-25 part, oxidation inhibitor 1-10 part, lubricant 1-10 part; Above-mentioned substance is added in high-speed mixer and mixes, then drop into forcing machine, obtained high-performance heat conductive insulating PC/ABS alloy.The present invention adopts vinyl silicane coupling agent to carry out surface treatment to heat conductive filler, and it is dispersed in the alloy that such coupling agent can not only obviously improve filler; Play chain extension effect simultaneously.Therefore, PC/ABS alloy of the present invention has excellent thermal conductivity, mechanical property and insulativity.Can be used for the electronic and electrical equipment such as transformer casing, notebook computer shell, outer casing of power supply, LED illumination Lamp cup of needs heat radiation.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. the high-performance heat conductive insulating PC/ABS alloy prepared by waste electrical equipment shell, is characterized in that, its composition of raw materials is made up of the material of following parts by weight:
2. high-performance heat conductive insulating PC/ABS alloy according to claim 1, is characterized in that described waste electrical equipment shell PC broken material is the broken material particle diameter that waste electrical equipment shell PC material obtains after crusher in crushing being less than or equal to 8mm; Described waste electrical equipment shell ABS broken material is the broken material particle diameter that waste electrical equipment shell ABS material obtains after crusher in crushing being less than or equal to 8mm.
3. high-performance heat conductive insulating PC/ABS alloy according to claim 1, is characterized in that described heat-conductive insulation filling is the Al of particle diameter 1-40 μm
2o
3, 1-20 μm MgO and 1-10 μm ZnO any one and 1-10 μm of AlN, 1-10 μm of Si
3n
4with any one composite filler prepared in proportion of 1-10 μm of SiC, heat-conductive insulation filling is all by silane coupler modified process.
4. high-performance heat conductive insulating PC/ABS alloy according to claim 1, is characterized in that glass fibre is fiberglas chopped strand, chopped length 3-5mm, Fibre diameter 9-13 μm.
5. high-performance heat conductive insulating PC/ABS alloy according to claim 1, is characterized in that described initiator is dicumyl peroxide or 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane.
6. high-performance heat conductive insulating PC/ABS alloy according to claim 1, is characterized in that described compatilizer is maleic anhydride graft, atactic styrene-maleic anhydride copolymer or MBS.
7. high-performance heat conductive insulating PC/ABS alloy according to claim 1, is characterized in that described oxidation inhibitor is antioxidant 1010 and the irgasfos 168 mixture by weight 1:1.
8. high-performance heat conductive insulating PC/ABS alloy according to claim 1, is characterized in that described lubricant is ethylene bis stearamide.
9. high-performance heat conductive insulating PC/ABS alloy according to claim 3, is characterized in that described silane coupling agent is the one of vinyltrimethoxy silane, vinyltriethoxysilane, vinyltriacetoxy silane, vinyl three tert-butoxy silane or γ-(methacryloxypropyl) propyl trimethoxy silicane.
10. the preparation method of the high-performance heat conductive insulating PC/ABS alloy as described in any one of claim 1-9, is characterized in that, comprise the following steps:
(1) preparation of waste electrical equipment shell PC broken material
Collect the waste material of waste electrical equipment shell PC, use cutting machine that length is carried out cutting more than the PC waste material of 300mm, then be added in crusher by the PC waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the PC broken material of 8mm;
(2) preparation of waste electrical equipment shell ABS broken material
Collect the waste material of waste electrical equipment shell ABS, use cutting machine that length is carried out cutting more than the ABS waste material of 300mm, then be added in crusher by the ABS waste material of cutting and carry out fragmentation, the particle diameter obtained after fragmentation is less than or equal to the ABS broken material of 8mm;
(3) surface modification treatment of heat-conductive insulation filling
Heat-conductive insulation filling is joined in high-speed mixer, high-speed mixer temperature is set to 100 DEG C, take the silane coupling agent of the 0.5-2% of heat conductive filler quality again, make mixing solutions after dissolving with water alcohol mixed solution and be hydrolyzed 30 minutes, by on disposable for the mixing solutions filler be sprayed in high-speed mixer, and heating mix and blend 10-30 minute, modified heat-conductive insulation filling removes unnecessary solvent in 80 DEG C of oven dry to constant weights;
(4) preparation of high-performance heat conductive insulating PC/ABS alloy
Take each component by above-mentioned parts by weight and put into high-speed mixer Homogeneous phase mixing 10 minutes, then twin screw extruder extruding pelletization is dropped into, each section of extrusion temperature be respectively 180-220 DEG C, 220-240 DEG C, 230-240 DEG C, 235-245 DEG C, 240-250 DEG C, 235-245 DEG C, 230-240 DEG C, obtained high-performance heat conductive insulating PC/ABS alloy.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778460A (en) * | 2016-03-28 | 2016-07-20 | 苏州天擎电子通讯有限公司 | Novel panel television shell |
| CN106566036A (en) * | 2016-10-18 | 2017-04-19 | 泰力（安徽）电器股份有限公司 | Efficient regeneration technology of waste and worn appliance switches and sockets |
| CN114634693A (en) * | 2021-12-29 | 2022-06-17 | 重庆普利特新材料有限公司 | Preparation method of low-emission, high-heat-resistance and hydrolysis-resistant regenerated PC/ABS alloy material |
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|---|---|---|---|---|
| CN101508836A (en) * | 2009-03-18 | 2009-08-19 | 重庆友强高分子材料有限公司 | Plastic alloy and preparation thereof |
| CN101899209A (en) * | 2010-03-30 | 2010-12-01 | 金发科技股份有限公司 | Heat conductive insulation material and preparation method thereof |
| CN102585470A (en) * | 2011-01-13 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Insulation heat conduction glass fiber reinforced PC/ABS alloy material and preparation method thereof |
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2015
- 2015-02-09 CN CN201510067472.3A patent/CN104710765B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508836A (en) * | 2009-03-18 | 2009-08-19 | 重庆友强高分子材料有限公司 | Plastic alloy and preparation thereof |
| CN101899209A (en) * | 2010-03-30 | 2010-12-01 | 金发科技股份有限公司 | Heat conductive insulation material and preparation method thereof |
| CN102585470A (en) * | 2011-01-13 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Insulation heat conduction glass fiber reinforced PC/ABS alloy material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778460A (en) * | 2016-03-28 | 2016-07-20 | 苏州天擎电子通讯有限公司 | Novel panel television shell |
| CN106566036A (en) * | 2016-10-18 | 2017-04-19 | 泰力（安徽）电器股份有限公司 | Efficient regeneration technology of waste and worn appliance switches and sockets |
| CN114634693A (en) * | 2021-12-29 | 2022-06-17 | 重庆普利特新材料有限公司 | Preparation method of low-emission, high-heat-resistance and hydrolysis-resistant regenerated PC/ABS alloy material |
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| CN104710765B (en) | 2016-06-01 |
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