CN104877273A - Heat-resistant plastic for heat pipe protecting sleeve - Google Patents
Heat-resistant plastic for heat pipe protecting sleeve Download PDFInfo
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- CN104877273A CN104877273A CN201510332323.5A CN201510332323A CN104877273A CN 104877273 A CN104877273 A CN 104877273A CN 201510332323 A CN201510332323 A CN 201510332323A CN 104877273 A CN104877273 A CN 104877273A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses heat-resistant plastic for a heat pipe protecting sleeve. The heat-resistant plastic is prepared from the following raw materials in parts by weight: 100 to 106 parts of ammonium polyphosphate, 1.3 to 2 parts of glacial acetic acid, 1.3 to 2 parts of ethyecellulose, 3 to 4 parts of tetraethoxysilane, 16 to 20 parts of dodecyl heptanoic propyl-trimethoxysilane, 30 to 34 parts of 90 to 95% of ethanol, 160 to 20 parts of 0.5mol/l of aniline water solution, 5 to 10 parts of sodium peroxide, 460 to 500 parts of polyvinyl chloride, 2 to 3 parts of aluminum ammonium sulfate, 3 to 4 parts of oxidized polyethlene wax, 5 to 7 parts of bisphenol A phosphate, 2 to 3 parts of hexabromocyclododecane, 0.7 to 1 part of alpha-bromocinnamaldehyde, and 8 to 10 parts of wollastonite in powder. According to the heat-resistant plastic, ammonium polyphosphate is subjected to surface wrapping by the sol-gel treatment process, in order to improve the surface strength and water resistance; then polyaniline is subjected to wrapping to improve the flaming retarding performance and thermal decomposition performance; therefore, the diffusion performance and compatibility of additives in the plastic can be effectively improved.
Description
Technical field
The present invention relates generally to Material Field, particularly relates to a kind of heat pipe sheath heat resistant plastice.
Background technology
Halogen, low cigarette, low toxicity, efficiently environment friendly flame retardant are the targets that people pursue always, some fire retardant supplies of the whole world in recent years and application business show very high enthusiasm to the non-halogen of fire retardant, have also dropped into very large strength to the application and development of halogen-free flame retardants and fire retardant material.
Phosphorus flame retardant mainly comprises the APP, primary ammonium phosphate, Secondary ammonium phosphate, phosphoric acid ester etc. of red phosphorus combustion inhibitor, inorganic phosphorus system, the non-halophosphate etc. of organophosphorus system.Inorganic hydrate mainly comprises magnesium hydroxide, aluminium hydroxide, material modified as hydrotalcite etc.APP, hydrotalcite are this serial environment-friendly type and the representative products of good market prospect; APP is that a kind of long-chain shape is phosphorous, the inorganic polymer of nitrogen.Because it has, chemical stability is good, water absorbability is little, dispersiveness is excellent, density is little, low toxin, is widely used in the fields such as flame retardant plastics, rubber, fiber; But there is the problem of a general character in domestic and international APP application process, the water tolerance being exactly APP is not good, and water absorbability is stronger.Therefore, hydrophobically modified process must be carried out when applying in some electron devices.At present, the method improving APP water resistance mainly contains: carry out surface treatment by coupling agent to APP, carry out micro encapsulation process to APP, utilize sol-gel processing technique to carry out the methods such as coating modification to APP.Wherein sol-gel processing technique generally adopts positive silicon ester to be hydrolyzed in-situ preparation orthosilicic acid, then polymerization generates the surface that polysiloxane is coated on APP, complete the coating modification to APP, due to the synergistic existence of SiO2 and APP, while improving APP water resistance, the flame retardant properties of APP can be improved.
Summary of the invention
The object of the invention provides a kind of heat pipe sheath heat resistant plastice.
The present invention is achieved by the following technical solutions:
A kind of heat pipe sheath heat resistant plastice, it is made up of the raw material of following weight parts:
Aniline-water solution 160-200, the sodium peroxide 5-10 of ethanol 30-34,0.5mol/l of ammonium polyphosphate 100-106, Glacial acetic acid 1.3-2, ethyl cellulose 1.3-2, tetraethoxy 3-4, ten difluoro heptyl propyl trimethoxy silicane 16-20,90-95%, polyvinyl chloride 460-500, exsiccated ammonium alum 2-3, oxidized polyethlene wax 3-4, phosphorous acid dihydroxyphenyl propane ester 5-7, hexabromocyclododecane 2-3, alpha-bromo-cinnamaldehyde 0.7-1, wollastonite powder 8-10.
A preparation method for heat pipe sheath heat resistant plastice, comprises the following steps:
(1) joined by exsiccated ammonium alum in 3-5 times of glycerine, stirring and dissolving, adds oxidized polyethlene wax, and raised temperature is 60-65 DEG C, insulated and stirred 1-2 hour, obtains wax liquid;
(2) ethanol of above-mentioned 90-95% is joined in magnetic stirring apparatus, add ethyl cellulose under agitation condition, stirring and dissolving, obtain lysate;
(3) tetraethoxy, ten difluoro heptyl propyl trimethoxy silicanes are mixed to join in above-mentioned lysate, 20-30 minute is stirred when nitrogen protection, drip above-mentioned Glacial acetic acid, after dropwising at 50-60 DEG C stirring reaction 1-1.6 hour, obtain silicon sol;
(4) wollastonite powder is sent in the sulphuric acid soln of 10-15mol/l and soak 1-2 hour, through washing, oven dry, abrasive dust after filtration, mix with phosphorous acid dihydroxyphenyl propane ester, send in the oil bath of 100-110 DEG C, add hexabromocyclododecane, insulated and stirred 30-40 minute, cooling discharging, obtains heat-resisting wollastonite powder;
(5) above-mentioned heat-resisting wollastonite powder, ammonium polyphosphate are mixed to join in silicon sol, stirring reaction 2-3 hour, add wax liquid, send in the oil bath of 100-110 DEG C, insulated and stirred 40-50 minute, cooling discharging, filter, wash, microwave drying, obtains coated ammonium polyphosphate;
(6) PH is regulated to be 1-2 the aniline-water solution hydrochloric acid of above-mentioned 0.5mol/l, add above-mentioned coated ammonium polyphosphate, ultrasonic 30-35min in the ultrasonic dispersers that frequency is 36-40kHz, power 60-70W, send into magnetic stirring apparatus, stir 30-40 minute, sodium peroxide is dissolved in after in 6-10 times of distilled water and adds, stirring reaction 3-5 hour under normal temperature, product is used successively hydrochloric acid, dehydrated alcohol, deionization washes clean, filter cake is fully dry at 120-130 DEG C, obtains water resistant, flame-retardant additive;
(7) above-mentioned water resistant, flame-retardant additive are mixed with each raw material of residue, 300-400 rev/min of dispersed with stirring 20-30 minute, dehydration, 800-1000 rev/min is stirred 30-40 minute, feeding twin screw extruder melt extrudes, the product extruded, through circulator bath cooling and pelletizing, obtains described heat pipe sheath heat resistant plastice.
Advantage of the present invention is:
First the present invention adopts tetraethoxy, ten difluoro heptyl propyl trimethoxy silicanes are precursor, first hydrolysis reaction is passed through, then further polymerization reaction take place, form the tight and shaggy coating film of one deck quality, also be coated on the surface of ammonium polyphosphate while being introduced by vinyl in coating film, effectively raise reactive behavior and the water resisting property of ammonium polyphosphate;
Then aniline is formed comparatively stable suspension in hydrochloric acid soln, after adding coated ammonium polyphosphate, a part is dispersed in the surface of coated ammonium polyphosphate film, part dispersion in the liquid phase, after adding oxygenant sodium peroxide, the polyreaction major part of aniline occurs in coated ammonium polyphosphate film surface, and the polyaniline of formation effectively delays the thermolysis effect of ammonium polyphosphate, improves flame retardant resistance, surface strength and additive dispersiveness in the plastic, consistency.
Plastics of the present invention have good heat-resisting, acid and alkali-resistance, water tolerance, are particularly suitable as the protective sleeve of heat pipe, and protectiveness is strong, good stability.
Embodiment
Embodiment 1
A kind of heat pipe sheath heat resistant plastice, it is made up of the raw material of following weight parts:
Ammonium polyphosphate 106, Glacial acetic acid 1.3, ethyl cellulose 1.3, the ethanol 34 of tetraethoxy 4, ten difluoro heptyl propyl trimethoxy silicane 20,95%, the aniline-water solution 200 of 0.5mol/l, sodium peroxide 10, polyvinyl chloride 500, exsiccated ammonium alum 2, oxidized polyethlene wax 3, phosphorous acid dihydroxyphenyl propane ester 5, hexabromocyclododecane 3, alpha-bromo-cinnamaldehyde 0.7, wollastonite powder 10.
A preparation method for heat pipe sheath heat resistant plastice, comprises the following steps:
(1) joined by exsiccated ammonium alum in 5 times of glycerine, stirring and dissolving, adds oxidized polyethlene wax, and raised temperature is 65 DEG C, and insulated and stirred 1 hour, obtains wax liquid;
(2) ethanol of above-mentioned 95% is joined in magnetic stirring apparatus, add ethyl cellulose under agitation condition, stirring and dissolving, obtain lysate;
(3) tetraethoxy, ten difluoro heptyl propyl trimethoxy silicanes are mixed to join in above-mentioned lysate, stir 20-30 minute when nitrogen protection, drip above-mentioned Glacial acetic acid, after dropwising at 60 DEG C stirring reaction 1.6 hours, obtain silicon sol;
(4) wollastonite powder is sent in the sulphuric acid soln of 15mol/l and soak 2 hours, through washing, oven dry, abrasive dust after filtration, mix with phosphorous acid dihydroxyphenyl propane ester, send in the oil bath of 110 DEG C, add hexabromocyclododecane, insulated and stirred 40 minutes, cooling discharging, obtains heat-resisting wollastonite powder;
(5) be mixed to join in silicon sol by above-mentioned heat-resisting wollastonite powder, ammonium polyphosphate, stirring reaction 3 hours, adds wax liquid, sends in the oil bath of 110 DEG C, insulated and stirred 50 minutes, cooling discharging, and filter, wash, microwave drying, obtains coated ammonium polyphosphate;
(6) PH is regulated to be 2 the aniline-water solution hydrochloric acid of above-mentioned 0.5mol/l, add above-mentioned coated ammonium polyphosphate, ultrasonic 35min in the ultrasonic dispersers that frequency is 40kHz, power 70W, send into magnetic stirring apparatus, stir 40 minutes, sodium peroxide is dissolved in after in 10 times of distilled water and adds, stirring reaction 3 hours under normal temperature, product is used successively hydrochloric acid, dehydrated alcohol, deionization washes clean, filter cake is fully dry at 130 DEG C, obtains water resistant, flame-retardant additive;
(7) above-mentioned water resistant, flame-retardant additive are mixed with each raw material of residue, 400 revs/min of dispersed with stirring 30 minutes, dehydration, 1000 revs/min are stirred 40 minutes, feeding twin screw extruder melt extrudes, and the product extruded, through circulator bath cooling and pelletizing, obtains described heat pipe sheath heat resistant plastice.
Performance test:
Tensile strength: 20.7MPa;
Low temperature brittleness impact temperature (DEG C) :-30 DEG C are passed through;
Fire-retardant rank: V-0;
After 100 DEG C × 240h hot air aging: tensile strength velocity of variation (%)-7.4;
Extension at break velocity of variation (%)-7.9.
Claims (2)
1. a heat pipe sheath heat resistant plastice, is characterized in that what it was made up of the raw material of following weight parts:
Aniline-water solution 160-200, the sodium peroxide 5-10 of ethanol 30-34,0.5mol/l of ammonium polyphosphate 100-106, Glacial acetic acid 1.3-2, ethyl cellulose 1.3-2, tetraethoxy 3-4, ten difluoro heptyl propyl trimethoxy silicane 16-20,90-95%, polyvinyl chloride 460-500, exsiccated ammonium alum 2-3, oxidized polyethlene wax 3-4, phosphorous acid dihydroxyphenyl propane ester 5-7, hexabromocyclododecane 2-3, alpha-bromo-cinnamaldehyde 0.7-1, wollastonite powder 8-10.
2. a preparation method for heat pipe sheath heat resistant plastice as claimed in claim 1, is characterized in that comprising the following steps:
(1) joined by exsiccated ammonium alum in 3-5 times of glycerine, stirring and dissolving, adds oxidized polyethlene wax, and raised temperature is 60-65 DEG C, insulated and stirred 1-2 hour, obtains wax liquid;
(2) ethanol of above-mentioned 90-95% is joined in magnetic stirring apparatus, add ethyl cellulose under agitation condition, stirring and dissolving, obtain lysate;
(3) tetraethoxy, ten difluoro heptyl propyl trimethoxy silicanes are mixed to join in above-mentioned lysate, 20-30 minute is stirred when nitrogen protection, drip above-mentioned Glacial acetic acid, after dropwising at 50-60 DEG C stirring reaction 1-1.6 hour, obtain silicon sol;
(4) wollastonite powder is sent in the sulphuric acid soln of 10-15mol/l and soak 1-2 hour, through washing, oven dry, abrasive dust after filtration, mix with phosphorous acid dihydroxyphenyl propane ester, send in the oil bath of 100-110 DEG C, add hexabromocyclododecane, insulated and stirred 30-40 minute, cooling discharging, obtains heat-resisting wollastonite powder;
(5) above-mentioned heat-resisting wollastonite powder, ammonium polyphosphate are mixed to join in silicon sol, stirring reaction 2-3 hour, add wax liquid, send in the oil bath of 100-110 DEG C, insulated and stirred 40-50 minute, cooling discharging, filter, wash, microwave drying, obtains coated ammonium polyphosphate;
(6) PH is regulated to be 1-2 the aniline-water solution hydrochloric acid of above-mentioned 0.5mol/l, add above-mentioned coated ammonium polyphosphate, ultrasonic 30-35min in the ultrasonic dispersers that frequency is 36-40kHz, power 60-70W, send into magnetic stirring apparatus, stir 30-40 minute, sodium peroxide is dissolved in after in 6-10 times of distilled water and adds, stirring reaction 3-5 hour under normal temperature, product is used successively hydrochloric acid, dehydrated alcohol, deionization washes clean, filter cake is fully dry at 120-130 DEG C, obtains water resistant, flame-retardant additive;
(7) above-mentioned water resistant, flame-retardant additive are mixed with each raw material of residue, 300-400 rev/min of dispersed with stirring 20-30 minute, dehydration, 800-1000 rev/min is stirred 30-40 minute, feeding twin screw extruder melt extrudes, the product extruded, through circulator bath cooling and pelletizing, obtains described heat pipe sheath heat resistant plastice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332323.5A CN104877273A (en) | 2015-06-16 | 2015-06-16 | Heat-resistant plastic for heat pipe protecting sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332323.5A CN104877273A (en) | 2015-06-16 | 2015-06-16 | Heat-resistant plastic for heat pipe protecting sleeve |
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| CN104877273A true CN104877273A (en) | 2015-09-02 |
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| CN201510332323.5A Pending CN104877273A (en) | 2015-06-16 | 2015-06-16 | Heat-resistant plastic for heat pipe protecting sleeve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317386A (en) * | 2016-08-29 | 2017-01-11 | 佛山市高明区尚润盈科技有限公司 | Preparing method of antibacterial polylactic acid material |
| CN106349663A (en) * | 2016-08-29 | 2017-01-25 | 佛山市高明区尚润盈科技有限公司 | Preparing method for polylactic acid antibacterial radiation-resistant masterbatch |
| CN106366591A (en) * | 2016-08-29 | 2017-02-01 | 佛山市高明区尚润盈科技有限公司 | Preparation method for anti-bacterial anti-radiation PLA (Poly Lactic Acid) material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554787A (en) * | 2013-11-08 | 2014-02-05 | 苏州市双赢包装材料有限公司 | Formula of flame-retardant polyvinyl chloride (PVC) plastics |
| CN104356529A (en) * | 2014-09-26 | 2015-02-18 | 青岛桐晟桐橡塑科技有限公司 | Formula of heat-resistant antistatic plastic |
-
2015
- 2015-06-16 CN CN201510332323.5A patent/CN104877273A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554787A (en) * | 2013-11-08 | 2014-02-05 | 苏州市双赢包装材料有限公司 | Formula of flame-retardant polyvinyl chloride (PVC) plastics |
| CN104356529A (en) * | 2014-09-26 | 2015-02-18 | 青岛桐晟桐橡塑科技有限公司 | Formula of heat-resistant antistatic plastic |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317386A (en) * | 2016-08-29 | 2017-01-11 | 佛山市高明区尚润盈科技有限公司 | Preparing method of antibacterial polylactic acid material |
| CN106349663A (en) * | 2016-08-29 | 2017-01-25 | 佛山市高明区尚润盈科技有限公司 | Preparing method for polylactic acid antibacterial radiation-resistant masterbatch |
| CN106366591A (en) * | 2016-08-29 | 2017-02-01 | 佛山市高明区尚润盈科技有限公司 | Preparation method for anti-bacterial anti-radiation PLA (Poly Lactic Acid) material |
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Application publication date: 20150902 |
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