CN103881183A - Fire-retardant master batch used for preparing heatproof polyethylene and preparation method thereof - Google Patents
Fire-retardant master batch used for preparing heatproof polyethylene and preparation method thereof Download PDFInfo
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- CN103881183A CN103881183A CN201210559379.0A CN201210559379A CN103881183A CN 103881183 A CN103881183 A CN 103881183A CN 201210559379 A CN201210559379 A CN 201210559379A CN 103881183 A CN103881183 A CN 103881183A
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- master granule
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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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
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- 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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- 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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a fire-retardant master batch used for preparing heatproof polyethylene and a preparation method thereof. The fire-retardant master batch is composed of the following components in percentage by weight: 20% to 40% of matrix resin, 30% to 70% of compound fire retardant, 3% to 8% of nano talcum powder, 0.1% to 1% of cross-linking resisting agent, 0.5% to 2% of coupling agent, 1% to 3% of dispersant, 0.1% to 1% of stabilizing agent, and 0.1% to 1% of antioxidant. The heatproof polyethylene prepared from the fire-retardant master batch has a high fire-retardant performance, which can reach a UL94-0 fire retardant grade standard, strong temperature resistant performance, durable static liquid pressure resisting strength, and excellent impact resisting strength; and moreover the flexibility and stability of temperature resisting property of the heatproof polyethylene are further improved. The polyethylene also has a good processing property and appearance, is capable of being applied to a cold water system or a hot water system, and can be used to prepared heatproof polyethylene pipes of a ground radiation heating system.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of fire-retardant master granule for heat-proof polythene and preparation method thereof.
Background technology
In recent years, heat-resisting polyethylene tube (PE-RT) is in the suitable share of plastic pipe market share, and is and adds gradually megatrend.Heat-resisting polyethylene tube is that C8 medium-density polyethylene (MDPE DX-800) using stable performance is as main raw material, under 110 DEG C, the stress condition of 1.9MPa, material lifetime exceedes 8760h, and according to the extrapolation foundation of ISO9080, the life-span of material at 70 DEG C exceedes 50 years.Heat-proof polythene is except having polythene material light weight, corrosion resistant, acid and alkali-resistance, have more the outstanding advantages that long-term resistance to 110 DEG C of high temperature and processing fluidity are good, be widely used in the fields such as hot water pipe in construction work or public works, drinking-water pipe, ground heating pipe.At present, domestic heat-proof polythene is flame-retardant modified is directly to add in process of production flame retardant, is unfavorable for cleaner production.
Summary of the invention
The object of the present invention is to provide a kind of fire-retardant master granule for heat-proof polythene and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of fire-retardant master granule for heat-proof polythene, its component by mass percent proportioning is: matrix resin 20%～40%, compound flame retardant 30%～70%, nanomete talc powder 3%～8%, resistance linking agent 0.1%～1%, coupling agent 0.5%～2%, dispersion agent 1%～3%, stablizer 0.1%～1%, oxidation inhibitor 0.1%～1%.
Described matrix resin is ethene or butylene and octene copolymer.
Described compound flame retardant is the compound that polysiloxane fire retardant 50wt%, polyphosphoric acid amine (PPA) 30wt% and polynite 20wt% three mix.
Described resistance linking agent is dimethyl formamide.
Described coupling agent is silane coupling agent or aluminium titanium composite coupler.
Described dispersion agent is low-molecular polyethylene wax.
Described stablizer is hindered amine as light stabilizer.
Described oxidation inhibitor is hindered phenol antioxygen 1010 or 1076 and the compound of phosphite ester kind antioxidant 168.
The preparation method of above-mentioned a kind of fire-retardant master granule for heat-proof polythene, comprises the following steps:
(1) preparation compound flame retardant: take by weight ratio polysiloxane fire retardant 50wt%, polyphosphoric acid amine (PPA) 30wt% and polynite 20wt%, add in super mixer and mix, make compound flame retardant, then at 80 DEG C～85 DEG C, be dried 30～45 minutes, stand-by;
(2) take by weight ratio nanomete talc powder and coupling agent, add in super mixer and mix, temperature is 80 DEG C～100 DEG C, mixing time is 10～30 minutes, obtain the nanomete talc powder that surface activation process is good, then add the matrix resin, compound flame retardant, resistance linking agent, dispersion agent, stablizer and the oxidation inhibitor that take by weight ratio, at 100 DEG C～120 DEG C temperature, continue to mix 15～20 minutes;
(3) add twin screw extruder to carry out melting mixing the above-mentioned material mixing again, then extrude, cooling, granulation, dry, packaging, obtain a kind of fire-retardant master granule for heat-proof polythene of the present invention.
The invention has the beneficial effects as follows, compared with prior art, when the fire-retardant master granule that the present invention makes is applied to heat-proof polythene, make it have high flame retardant (reaching UL94-0 flame retardant grade standard), strong temperature tolerance, lasting resistance to hydrostatic strength and good resistance to impact shock, and the snappiness of material and heatproof stability further improve, and make to obtain good processibility and good appearance, can be widely used in the heat-proof polythene tubing of hot water or cold water's system and ground radiation heating system.
Embodiment
Further illustrate technical scheme of the present invention below in conjunction with specific embodiment.
Embodiment 1:
For a fire-retardant master granule for heat-proof polythene, its component by mass percent proportioning is: the compound 0.4% of ethene and octene copolymer 35%, compound flame retardant 55%, nanomete talc powder 5%, dimethyl formamide 0.5%, silane coupling agent 1.5%, low-molecular polyethylene wax 2%, hindered amine as light stabilizer 0.6%, hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168.Wherein, described compound flame retardant is the compound that polysiloxane fire retardant 50wt%, polyphosphoric acid amine (PPA) 30wt% and polynite 20wt% three mix.
Preparation method: (1) preparation compound flame retardant: take by weight ratio polysiloxane fire retardant 50wt%, polyphosphoric acid amine (PPA) 30wt% and polynite 20wt%, add in super mixer and mix, make compound flame retardant, then at 80 DEG C～85 DEG C, be dried 30～45 minutes, stand-by; (2) take by weight ratio nanomete talc powder and silane coupling agent, add in super mixer and mix, temperature is 80 DEG C～100 DEG C, mixing time is 10～30 minutes, obtain the nanomete talc powder that surface activation process is good, then the compound that adds the ethene that takes by weight ratio and octene copolymer, compound flame retardant, dimethyl formamide, low-molecular polyethylene wax, hindered amine as light stabilizer and hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168 continues to mix 15～20 minutes at 100 DEG C～120 DEG C temperature; (3) add twin screw extruder to carry out melting mixing the above-mentioned material mixing again, then extrude, cooling, granulation, dry, packaging, obtain a kind of fire-retardant master granule for heat-proof polythene of the present invention.
Embodiment 2:
For a fire-retardant master granule for heat-proof polythene, its component by mass percent proportioning is: the compound 0.5% of butylene and octene copolymer 20%, compound flame retardant 65%, nanomete talc powder 8%, dimethyl formamide 0.5%, aluminium titanium composite coupler 2%, low-molecular polyethylene wax 3%, hindered amine as light stabilizer 1%, hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.Wherein, described compound flame retardant is the compound that polysiloxane fire retardant 50wt%, polyphosphoric acid amine (PPA) 30wt% and polynite 20wt% three mix.
Preparation method: (1) preparation compound flame retardant: take by weight ratio polysiloxane fire retardant 50wt%, polyphosphoric acid amine (PPA) 30wt% and polynite 20wt%, add in super mixer and mix, make compound flame retardant, then at 80 DEG C～85 DEG C, be dried 30～45 minutes, stand-by; (2) take by weight ratio nanomete talc powder and aluminium titanium composite coupler, add in super mixer and mix, temperature is 80 DEG C～100 DEG C, mixing time is 10～30 minutes, obtain the nanomete talc powder that surface activation process is good, then the compound that adds the butylene that takes by weight ratio and octene copolymer, compound flame retardant, dimethyl formamide, low-molecular polyethylene wax, hindered amine as light stabilizer and hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168 continues to mix 15～20 minutes at 100 DEG C～120 DEG C temperature; (3) add twin screw extruder to carry out melting mixing the above-mentioned material mixing again, then extrude, cooling, granulation, dry, packaging, obtain a kind of fire-retardant master granule for heat-proof polythene of the present invention.
Claims (9)
1. the fire-retardant master granule for heat-proof polythene, it is characterized in that, its component by mass percent proportioning is: matrix resin 20%～40%, compound flame retardant 30%～70%, nanomete talc powder 3%～8%, resistance linking agent 0.1%～1%, coupling agent 0.5%～2%, dispersion agent 1%～3%, stablizer 0.1%～1%, oxidation inhibitor 0.1%～1%.
2. a kind of fire-retardant master granule for heat-proof polythene according to claim 1, is characterized in that, described matrix resin is ethene or butylene and octene copolymer.
3. a kind of fire-retardant master granule for heat-proof polythene according to claim 1, is characterized in that, described compound flame retardant is the compound that polysiloxane fire retardant 50wt%, polyphosphoric acid amine (PPA) 30wt% and polynite 20wt% three mix.
4. a kind of fire-retardant master granule for heat-proof polythene according to claim 1, is characterized in that, described resistance linking agent is dimethyl formamide.
5. a kind of fire-retardant master granule for heat-proof polythene according to claim 1, is characterized in that, described coupling agent is silane coupling agent or aluminium titanium composite coupler.
6. a kind of fire-retardant master granule for heat-proof polythene according to claim 1, is characterized in that, described dispersion agent is low-molecular polyethylene wax.
7. a kind of fire-retardant master granule for heat-proof polythene according to claim 1, is characterized in that, described stablizer is hindered amine as light stabilizer.
8. a kind of fire-retardant master granule for heat-proof polythene according to claim 1, is characterized in that, described oxidation inhibitor is hindered phenol antioxygen 1010 or 1076 and the compound of phosphite ester kind antioxidant 168.
9. the preparation method of a kind of fire-retardant master granule for heat-proof polythene according to claim 1, is characterized in that, comprises the following steps:
(1) preparation compound flame retardant: take by weight ratio polysiloxane fire retardant 50wt%, polyphosphoric acid amine (PPA) 30wt% and polynite 20wt%, add in super mixer and mix, make compound flame retardant, then at 80 DEG C～85 DEG C, be dried 30～45 minutes, stand-by;
(2) take by weight ratio nanomete talc powder and coupling agent, add in super mixer and mix, temperature is 80 DEG C～100 DEG C, mixing time is 10～30 minutes, obtain the nanomete talc powder that surface activation process is good, then add the matrix resin, compound flame retardant, resistance linking agent, dispersion agent, stablizer and the oxidation inhibitor that take by weight ratio, at 100 DEG C～120 DEG C temperature, continue to mix 15～20 minutes;
(3) add twin screw extruder to carry out melting mixing the above-mentioned material mixing again, then extrude, cooling, granulation, dry, packaging, obtain a kind of fire-retardant master granule for heat-proof polythene of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559379.0A CN103881183A (en) | 2012-12-21 | 2012-12-21 | Fire-retardant master batch used for preparing heatproof polyethylene and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210559379.0A CN103881183A (en) | 2012-12-21 | 2012-12-21 | Fire-retardant master batch used for preparing heatproof polyethylene and preparation method thereof |
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| CN103881183A true CN103881183A (en) | 2014-06-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897371A (en) * | 2019-03-15 | 2019-06-18 | 成都新柯力化工科技有限公司 | A kind of the environment-friendly type flame-retardant plastic masterbatch and preparation method of anti-precipitation |
| CN111019242A (en) * | 2019-12-23 | 2020-04-17 | 广东金发科技有限公司 | Impact-resistant, heat-resistant and flame-retardant MPP power pipe material and preparation method thereof |
-
2012
- 2012-12-21 CN CN201210559379.0A patent/CN103881183A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897371A (en) * | 2019-03-15 | 2019-06-18 | 成都新柯力化工科技有限公司 | A kind of the environment-friendly type flame-retardant plastic masterbatch and preparation method of anti-precipitation |
| CN109897371B (en) * | 2019-03-15 | 2021-05-07 | 佛山市碧坤塑料有限公司 | Precipitation-proof environment-friendly flame-retardant plastic master batch and preparation method thereof |
| CN111019242A (en) * | 2019-12-23 | 2020-04-17 | 广东金发科技有限公司 | Impact-resistant, heat-resistant and flame-retardant MPP power pipe material and preparation method thereof |
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Application publication date: 20140625 |