CN104893170A - Composite silanized plastic - Google Patents
Composite silanized plastic Download PDFInfo
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- CN104893170A CN104893170A CN201510332697.7A CN201510332697A CN104893170A CN 104893170 A CN104893170 A CN 104893170A CN 201510332697 A CN201510332697 A CN 201510332697A CN 104893170 A CN104893170 A CN 104893170A
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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
- C08L2201/02—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
- 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
- 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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Abstract
The invention discloses a composite silanized plastic. The composite silanized plastic comprises raw materials in parts by weight as follows: 20-40 parts of polydicyclopentadiene, 410-470 parts of polyvinyl chloride, 1.3-2 parts of ethyl cellulose, 3-4 parts of tetraethyl orthosilicate, 16-20 parts of dodecafluoroheptyl-propyl-trimethoxysilane, 30-34 parts of 90%-95% ethanol, 160-200 parts of an aniline aqueous solution with concentration being 0.5 mol/l, 5-10 parts of sodium peroxide, 0.1-0.2 parts of tin sulfate, 0.7-1 part of a silane coupling agent KH560, 1.4-2 parts of polyglycerol fatty ester, 2.5-3 parts of calcium aluminate and 1-3 parts of aluminum potassium sulfate. Firstly, ammonium polyphosphate is subjected to surface coating with a sol-gel treatment process, and accordingly, the surface strength and the water resistance are improved; then, polyaniline coating is performed, fire resistance and thermal decomposition are improved, and the dispersity and the compatibility of an additive in the plastic are effectively improved.
Description
Technical field
The present invention relates generally to Material Field, particularly relates to a kind of silanization composite plastic.
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 silanization composite plastic.
The present invention is achieved by the following technical solutions:
A kind of silanization composite plastic, 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 polydicyclopentadiene 20-40, polyvinyl chloride 410-470, ethyl cellulose 1.3-2, tetraethoxy 3-4, ten difluoro heptyl propyl trimethoxy silicane 16-20,90-95%, stannous sulfate 0.1-0.2, silane coupling agent KH560 0.7-1, polyglycerol fatty acid ester 1.4-2, calcium aluminate 2.5-3, potassium aluminium sulfate 1-3.
A preparation method for silanization composite plastic, comprises the following steps:
(1) joined by above-mentioned potassium aluminium sulfate in 6-10 water doubly, at 50-60 DEG C, be uniformly mixed 10-20 minute, add ammonium polyphosphate, regulator solution PH is 7-8, stirs 1.6-2 hour, filters, and dries, obtains ammonium polyphosphate modifying;
(2) join in magnetic stirring apparatus by the ethanol of above-mentioned 90-95%, add ethyl cellulose, stirring and dissolving under agitation condition, add silane coupling agent KH560, insulated and stirred 20-30 minute at 60-65 DEG C, obtains 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) joined by ammonium polyphosphate in above-mentioned silicon sol, stirring reaction 2-3 hour, discharging, filter, wash, microwave drying, obtains coated ammonium polyphosphate;
(5) 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;
(6) calcium aluminate is joined in 3-4 times of water, raised temperature is 80-90 DEG C, add polyglycerol fatty acid ester, stannous sulfate, insulated and stirred 10-20 minute, add 6-10%, the polydicyclopentadiene of above-mentioned polyvinyl chloride weight, send in the oil bath of 160-165 DEG C, insulated and stirred 1-2 hour, discharging after cooling, obtains pre-composite plastic;
(7) by above-mentioned pre-composite plastic, water resistant, flame-retardant additive mixing, dry 20-30 minute at 110-120 DEG C, add each raw material of residue, 1000-1300 rev/min is stirred 30-40 minute, feeding twin screw extruder melt extrudes, the product extruded, through circulator bath cooling and pelletizing, obtains described silanization composite plastic.
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.
The present invention adopts polydicyclopentadiene, polychloroethylene blended, has higher intensity, thermotolerance, erosion resistance, improves the use range of traditional igelite.
Embodiment
Embodiment 1
A kind of silanization composite plastic, it is made up of the raw material of following weight parts:
Ethanol 30, the aniline-water solution 200 of 0.5mol/l, sodium peroxide 10, stannous sulfate 0.2, silane coupling agent KH560 0.7, polyglycerol fatty acid ester 1.4, calcium aluminate 2.5, the potassium aluminium sulfate 1 of polydicyclopentadiene 40, polyvinyl chloride 470, ethyl cellulose 1.3, tetraethoxy 3, ten difluoro heptyl propyl trimethoxy silicane 20,95%.
A preparation method for silanization composite plastic, comprises the following steps:
(1) joined by above-mentioned potassium aluminium sulfate in 6-10 water doubly, at 60 DEG C, be uniformly mixed 10 minutes, add ammonium polyphosphate, regulator solution PH is 7-8, stirs 1.6 hours, filters, and dries, obtains ammonium polyphosphate modifying;
(2) join in magnetic stirring apparatus by the ethanol of above-mentioned 95%, add ethyl cellulose, stirring and dissolving under agitation condition, add silane coupling agent KH560, at 65 DEG C, insulated and stirred 30 minutes, obtains lysate;
(3) tetraethoxy, ten difluoro heptyl propyl trimethoxy silicanes are mixed to join in above-mentioned lysate, stir 20 minutes when nitrogen protection, drip above-mentioned Glacial acetic acid, after dropwising at 50 DEG C stirring reaction 1.6 hours, obtain silicon sol;
(4) joined by ammonium polyphosphate in above-mentioned silicon sol, stirring reaction 2 hours, discharging, filter, wash, microwave drying, obtains coated ammonium polyphosphate;
(5) 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 36kHz, power 70W, send into magnetic stirring apparatus, stir 30 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;
(6) calcium aluminate is joined in 3 times of water, raised temperature is 90 DEG C, add polyglycerol fatty acid ester, stannous sulfate, insulated and stirred 10 minutes, add 10% of above-mentioned polyvinyl chloride weight, polydicyclopentadiene, send in the oil bath of 165 DEG C, insulated and stirred 1-2 hour, discharging after cooling, obtains pre-composite plastic;
(7) by above-mentioned pre-composite plastic, water resistant, flame-retardant additive mixing, drying 30 minutes at 120 DEG C, adds each raw material of residue, 1300 revs/min are stirred 30 minutes, feeding twin screw extruder melt extrudes, and the product extruded, through circulator bath cooling and pelletizing, obtains described silanization composite plastic.
Performance test:
Tensile strength: 19.7MPa;
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 (%)-7.3.
Claims (2)
1. a silanization composite plastic, 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 polydicyclopentadiene 20-40, polyvinyl chloride 410-470, ethyl cellulose 1.3-2, tetraethoxy 3-4, ten difluoro heptyl propyl trimethoxy silicane 16-20,90-95%, stannous sulfate 0.1-0.2, silane coupling agent KH560 0.7-1, polyglycerol fatty acid ester 1.4-2, calcium aluminate 2.5-3, potassium aluminium sulfate 1-3.
2. a preparation method for silanization composite plastic as claimed in claim 1, is characterized in that comprising the following steps:
(1) joined by above-mentioned potassium aluminium sulfate in 6-10 water doubly, at 50-60 DEG C, be uniformly mixed 10-20 minute, add ammonium polyphosphate, regulator solution PH is 7-8, stirs 1.6-2 hour, filters, and dries, obtains ammonium polyphosphate modifying;
(2) join in magnetic stirring apparatus by the ethanol of above-mentioned 90-95%, add ethyl cellulose, stirring and dissolving under agitation condition, add silane coupling agent KH560, insulated and stirred 20-30 minute at 60-65 DEG C, obtains 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) joined by ammonium polyphosphate in above-mentioned silicon sol, stirring reaction 2-3 hour, discharging, filter, wash, microwave drying, obtains coated ammonium polyphosphate;
(5) 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;
(6) calcium aluminate is joined in 3-4 times of water, raised temperature is 80-90 DEG C, add polyglycerol fatty acid ester, stannous sulfate, insulated and stirred 10-20 minute, add 6-10%, the polydicyclopentadiene of above-mentioned polyvinyl chloride weight, send in the oil bath of 160-165 DEG C, insulated and stirred 1-2 hour, discharging after cooling, obtains pre-composite plastic;
(7) by above-mentioned pre-composite plastic, water resistant, flame-retardant additive mixing, dry 20-30 minute at 110-120 DEG C, add each raw material of residue, 1000-1300 rev/min is stirred 30-40 minute, feeding twin screw extruder melt extrudes, the product extruded, through circulator bath cooling and pelletizing, obtains described silanization composite plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332697.7A CN104893170A (en) | 2015-06-16 | 2015-06-16 | Composite silanized plastic |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510332697.7A CN104893170A (en) | 2015-06-16 | 2015-06-16 | Composite silanized plastic |
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| CN104893170A true CN104893170A (en) | 2015-09-09 |
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| CN201510332697.7A Pending CN104893170A (en) | 2015-06-16 | 2015-06-16 | Composite silanized plastic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108586812A (en) * | 2018-05-02 | 2018-09-28 | 太仓美克斯机械设备有限公司 | A kind of preparation method and applications of sol dispersion |
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 |
| CN104327348A (en) * | 2014-09-30 | 2015-02-04 | 青岛东泰诚恩新材料科技发展有限公司 | Flame-retardant polyethylene-polypropylene composite plastic |
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2015
- 2015-06-16 CN CN201510332697.7A patent/CN104893170A/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 |
| CN104327348A (en) * | 2014-09-30 | 2015-02-04 | 青岛东泰诚恩新材料科技发展有限公司 | Flame-retardant polyethylene-polypropylene composite plastic |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108586812A (en) * | 2018-05-02 | 2018-09-28 | 太仓美克斯机械设备有限公司 | A kind of preparation method and applications of sol dispersion |
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Application publication date: 20150909 |
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