CN1134497C - Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material - Google Patents
Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material Download PDFInfo
- Publication number
- CN1134497C CN1134497C CNB991257480A CN99125748A CN1134497C CN 1134497 C CN1134497 C CN 1134497C CN B991257480 A CNB991257480 A CN B991257480A CN 99125748 A CN99125748 A CN 99125748A CN 1134497 C CN1134497 C CN 1134497C
- Authority
- CN
- China
- Prior art keywords
- retardant
- ester
- flame
- antioxidant
- methyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The present invention relates to a radiation-crosslinked thermal shrinking polyalkene material with combustion retardancy and the use temperature of 150 DEG C. Low-density polyethylene, an ethylene-vinyl acetate copolymer, an ethylene propylene terpolymer and antioxidants, flame retardants, lubricants and crosslinking auxiliary agents are mixed, extruded, granulated and extruded into pipes, and then the polyalkene material is obtained through radiation crosslinkage and can be prepared into thermal shrinking elements. The polyalkene material has the advantages of good performance, easy acquisition of raw materials, convenient preparation method and low price, and is suitable for industrialized production.
Description
The present invention relates to a kind of radiation crosslinking 150 ℃ fire-retardant polyolefin heat-shrinkable material, preparation method and its usage.
Though it is easy that commercially available radiation crosslinking flame-retardant polyolefin heat-shrinkable material is processed, cheap, but its heatproof is all between 90-135 ℃, NRS-1 type low temperature heat-shrink tube as material contracting with heat factory of Changchun Inst. of Applied Chemistry, Chinese Academy of Sciences is made up of the cross-linked polyolefin material, working temperature is-55 ℃-+125 ℃, the A-3 type polyolefin heat-shrinkable material product working temperature of Korea S Woosuck company limited is 135 ℃, the CRN of U.S. Raychem company, RNF-100, RNF-3000, polyolefin heat-shrinkable material such as RP-4800 and DCPT working temperature heatproof is at the 90-135 ℃ of product description referring to each enterprise), the said products can be satisfied the demand under normal conditions, but in aviation, space flight, building, automobile, industries such as military project, need to use heatproof at the heat-shrinkage material more than 135 ℃, these materials now use fluoroplastics or silicon rubber, A-8 type product as Korea S Woosuck company limited, the AP-99 product working temperature of U.S. Raychem company reaches 150 ℃ and 175 ℃ respectively, but all be fluoroplastics, these materials not only cost an arm and a leg, and processing difficulties, the production process toxic is big.And silicon rubber intensity is lower, needs special processing units.So people still expect the polyolefin heat-shrinkable material with the radiation crosslinking flame-retardant of new inexpensive and heatproof.
The object of the invention provides a kind of polyolefin heat-shrinkable material of radiation crosslinking flame-retardant, the heat-shrinkage material that the energy heatproof is 150 ℃.
The object of the invention also provides the method for the polyolefin heat-shrinkable material of the above-mentioned radiation crosslinking flame-retardant of preparation.
Another purpose of the present invention provides the purposes of the polyolefin heat-shrinkable material of above-mentioned radiation crosslinking flame-retardant.
Radiation crosslinking 150 of the present invention ℃ fire-retardant polyolefin heat-shrinkable material is made up of the material of following weight ratio: new LDPE (film grade) (LDPE) 30-70, ethylene-vinyl acetate copolymer (EVA) 20-50, terpolymer EP rubber (EPDM) 10-30, composite antioxidant 0.5-8, halogen containing flame-retardant 20-60, antimonous oxide fire retardant 10-30, lubricant 1-3, multi-functional (methyl) acrylate cross linked auxiliary agent 1-5.Above-mentioned substance is all commercially available.
The common melt index of described LDPE (MI)≤0.5g/min.The melt index of EVA (MI)=2-5g/min, wherein vinyl acetate (VA) content equals 14-18%.
Described commercially available composite antioxidant, recommending to adopt by phenolic antioxidant, ester kind antioxidant, amine antioxidants weight ratio is 1: the composite antioxidant of 1-3: 0.1-2.
Above-mentioned ester kind antioxidant can be β-propanedioic acid stearyl (antioxidant 1076), pentaerythritol tetrathioglycollate (antioxidant 1010), Tyox B (oxidation inhibitor DLDP), thio-2 acid stearyl (oxidation inhibitor DSTP), β-cyclohexyl propionate (oxidation inhibitor 121), thio-2 acid two (tetradecyl ester) (oxidation inhibitor DMTDP), thio-2 acid two (tridecyl) ester (oxidation inhibitor 711), lauryl-thio-2 acid octadecyl ester mixture (oxidation inhibitor 1212), 1,3,5-triisocyanate (antioxidant 3114), trilauryl trithiophosphite (anti-aging agent TLTTP) etc.Phenolic antioxidant (anti-aging agent) can be 2,4,6-tri-tert-butylphenol (anti-aging agent Q46), 2,5-ditert-butylhydro quinone (anti-aging agent NS-7), 4,4 '-two (2,6-di-tert-butylphenol (anti-aging agent 712), 4 ', 4-methylene-bis (2, the 6-di-tert-butylphenol) (anti-aging agent 702), 4,4 ' one butylidenes two (methyl m-methyl phenol between the 6-tertiary butyl) (anti-aging agent BBM) or 2,6-di-tert-butyl-4-methylphenol (oxidation inhibitor OC) or styrenated phenol (antioxidant SP) etc.Amine antioxidants (anti-aging agent) can be N, N '-two-Ursol D (anti-aging agent 4030), N, N '-di-sec-butyl-p-phenyl enediamine (antioxidant D BPP), N, N '-two-betanaphthyl-Ursol D (oxidation inhibitor DNP), N-phenyl-N '-cyclohexyl Ursol D (antioxidant 4010) or N-phenyl-N '-sec.-propyl Ursol D (oxidation inhibitor 4010NA) etc.
Described halogen containing flame-retardant can be a brominated flame-retardant, as hexabromobenzene, decabromodiphenyl oxide, tetrabromoethane, tetrabromophthalic anhydride, dimethylene-two (tetrabromo-phthalic two formyls) imines, tricresyl phosphate (2,3-dibromo third) ester etc., it also can be chlorine-containing flame retardant, as tricresyl phosphate (2,3-dichloro third) ester or perchloro-penta ring certain herbaceous plants with big flowers alkane etc.
Described lubricant is the hard acid ester salt of divalence or trivalent metal.
Described linking agent is polyfunctional group (methyl) acrylate monomer, as Viscoat 295 (TMPTA), trimethylolpropane trimethacrylate (TMPTMA), tri (propylene glycol) diacrylate (TPGPA) or pentaerythritol triacrylate (PEPA) etc.
In radiation crosslinking 150 of the present invention ℃ flame-retardant polyolefin heat-shrinkable material, also can contain relative weight than being the colour batch of 0-3, so that make material of the present invention present shades of colour.Recommend to add relative weight than being the colour batch of 1-3.
The preparation method of radiation crosslinking 150 of the present invention ℃ flame-retardant polyolefin heat-shrinkable material is with the material blend of above-mentioned weight ratio, extrude, granulation, be extruded into pipe and form.Specifically, at room temperature thorough mixing is even with the relative weight material of 0.5-8,20-60,10-30,1-3,0-3 and 1-5 with composite antioxidant, halogen containing flame-retardant, antimonous oxide, lubricant, colour batch and crosslinking coagent, be the LDPE of 30-70 then with relative weight, the EVA of 20-50 and the EPDM of 10-30 with twin screw extruder in 100-200 ℃ of interval, extrude, wire drawing, air-cooled, pelletizing.Then above-mentioned particle is extruded into tubulose under 100-200 ℃ of temperature.Described tubular material be the linear polymeric material through gamma-rays or electron rays radiation, radiation dose is 80-150KGY.Behind radiation crosslinking, be three-dimensional netted polymer.Usually this tubular material under 80-150 ℃ of temperature, spread stretching 0.5-5 times heat-shrink tube.Above-mentioned tubular material and heat-shrinkable tube use temperature through radiation crosslinking reach 150 ℃.
Radiation crosslinking flame-retardant polyolefin heat-shrinkable material of the present invention can be used for making various thermal contraction devices, comprises heat-shrinkable tube, and use temperature reaches 150 ℃.Not only temperature tolerance is good, and the physical strength height, electrical property is good and good flame resistance, and the preparation method is simple and easy, and raw material is easily purchased, and is cheap.The present invention has widened the use range of poly-combustion hydrocarbon material, is suitable for suitability for industrialized production.
The present invention will be helped to understand by following embodiment, but content of the present invention can not be stoped.
Embodiment 1
With commercially available following compounds composite antioxidant 2-6kg, decabromodiphenyl oxide or tricresyl phosphate (2,3-trichlorine propyl ester 30-50kg, antimonous oxide 15-30kg,, barium stearate salt or zinc salt 1-3kg, redness or black masterbatch, crosslinking coagent TMPTMA or TMPTA 2-4kg are in 200L high speed kneader, mix with rotating speed 750-1500r/min under the room temperature, said mixture and 40-60kgLDPE then, 20-45kg EVA, 15-25kg EPDM extrudes at 100-200 ℃ at twin screw extruder each interval mixing, wire drawing, air-cooled, pelletizing, packing.
Described composite antioxidant is phenolic type antioxidant NS-T or BBM 1kg, ester kind antioxidant 1076, DLDP or 121 1-3kg, the mixture of three kinds of components of amine antioxidants 4030, DBPP or 4010 0.5-2kg.
Embodiment 2
Above-mentioned master batch is extruded into tubulose under 100-200 ℃ of temperature, with gamma-rays or electron rays radiation, radiation dose is 80-150KGY, makes the linear polymeric material be three-dimensional netted high molecular tubular material, and this tubular material is expanded stretching 0.5-5 and doubly become heat-shrink tube under 80-150 ℃ of temperature.
Embodiment 3
Measure as embodiment 2 described radiation crosslinking 150s ℃ fire retardant polyolefin thermal contraction tubulose material and thermal contraction casing tube performance, the result is as follows:
Mechanical property: tensile strength 〉=10Mpa, elongation at break 〉=300%, through thermal ageing (180 ℃ ± 1 ℃/168h) after, its tensile strength conservation rate 〉=75%, elongation at break conservation rate 〉=75%.
Electrical property: volume specific resistance 〉=1 * 10
14Ω cm, disruptive strength 〉=20kv/mm.
Flame retardant resistance: oxygen index 〉=28.
Other meets the standard of country.
This thermal contraction tubulose material and thermal contraction casing tube use temperature can reach 150 ℃.
Claims (10)
1, a kind of polyolefin heat-shrinkable material of radiation crosslinking flame-retardant, it is characterized in that forming: new LDPE (film grade) 30-70 by the material of following weight ratio, ethylene-vinyl acetate copolymer 20-50, terpolymer EP rubber 10-30, composite antioxidant 0.5-8, halogen containing flame-retardant 20-60, antimonous oxide 10-30, the stearate 1-5 of divalence or trivalent metal, multi-functional (methyl) acrylic crosslinking agent 1-5, described composite antioxidant is made up of the oxidation inhibitor of following weight ratio: phenolic antioxidant 1, ester kind antioxidant 1-3, amine antioxidants 0.1-2.
2, material as claimed in claim 1 is characterized in that the melt index MI≤0.5g/min of described new LDPE (film grade).
3, material as claimed in claim 1 is characterized in that the melt index MI=2-5g/min of described ethylene-vinyl acetate copolymer, and wherein vinyl acetate content is 14-18%.
4, material as claimed in claim 1, it is characterized in that described halogen containing flame-retardant is to comprise hexabromobenzene, decabromodiphenyl oxide, tetrabromoethane, tetrabromophthalic anhydride, dimethylene-two (tetrabromo phthalimide) or tricresyl phosphate (2,3-dibromo third) ester is at interior brominated flame-retardant, or comprise that tricresyl phosphate (2,3-dichloro third) ester, perchloro-penta cyclodecane are at interior chlorine-containing flame retardant.
5, material as claimed in claim 1 is characterized in that described multi-functional (methyl) acrylic crosslinking agent is TriMethylolPropane(TMP), trimethylolpropane trimethacrylate, tri (propylene glycol) diacrylate or pentaerythritol triacrylate.
6, material as claimed in claim 1, it is characterized in that described ester kind antioxidant is β-propionic acid octadecyl ester, pentaerythritol tetrathioglycollate, Tyox B, thio-2 acid octadecyl ester, β-cyclohexyl propionate, thio-2 acid two (tetradecyl ester), thio-2 acid two (tridecyl) ester, lauryl-thio-2 acid octadecyl ester mixture, 1,3,5-triisocyanate or trilauryl trithiophosphite.
7, material as claimed in claim 1, it is characterized in that described phenolic antioxidant is 2,4,6-tri-tert-butylphenol, 2,5-ditert-butylhydro quinone, 4,4 '-two (2,4,4 the 6-di-tert-butylphenol), '-methylene-bis (2, the 6-di-tert-butylphenol), 4,4 '-butylidene two (methyl m-methyl phenol between the 6-tertiary butyl), 2,6-di-tert-butyl-4-methylphenol or styrenated phenol.
8, material as claimed in claim 1, it is characterized in that described amine antioxidants is N, N '-two-Ursol D, N, N '-di-sec-butyl-p-phenyl enediamine, N, N '-two-betanaphthyl-Ursol D, N-phenyl-N '-cyclohexyl Ursol D or N-phenyl-N '-sec.-propyl Ursol D.
9, a kind of preparation method of polyolefin heat-shrinkable material of radiation crosslinking flame-retardant as claimed in claim 1, it is characterized in that composite antioxidant with the 0.5-8 of described weight ratio, the 20-60 halogen containing flame-retardant, 10-30 antimonous oxide fire retardant, the stearate of 1-5 divalence or trivalent metal, 1-5 multi-functional (methyl) Acrylic Acid Monomer thorough mixing, then with the 30-70 new LDPE (film grade), 20～50 ethylene-vinyl acetate copolymers and 10-30 terpolymer EP rubber mix, extrude, become tubing or extruding pelletization, this particle is extruded into tubing again, and described tubing is through the 80-150KGY of gamma-rays or electron rays radiation.
10, a kind of purposes of polyolefin heat-shrinkable material of radiation crosslinking flame-retardant as claimed in claim 1 is characterized in that being used for the thermal contraction device that comprises heat-shrinkable tube that heatproof reaches 150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991257480A CN1134497C (en) | 1999-12-24 | 1999-12-24 | Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991257480A CN1134497C (en) | 1999-12-24 | 1999-12-24 | Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1257090A CN1257090A (en) | 2000-06-21 |
| CN1134497C true CN1134497C (en) | 2004-01-14 |
Family
ID=5284158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991257480A Expired - Fee Related CN1134497C (en) | 1999-12-24 | 1999-12-24 | Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1134497C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387646C (en) * | 2006-05-30 | 2008-05-14 | 广州凯恒科塑有限公司 | Fire-retarding thermal-shrinked indicated double pipe of radiant cross-linked and its preparation |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3530154B2 (en) * | 2001-07-17 | 2004-05-24 | 住友電工ファインポリマー株式会社 | Polyethylene heat shrink tubing |
| CN100448926C (en) * | 2005-09-28 | 2009-01-07 | 中国石油化工股份有限公司 | Polyolefine toughening modifier and its production |
| EP1845416A3 (en) * | 2006-04-11 | 2009-05-20 | Rohm and Haas Electronic Materials, L.L.C. | Coating compositions for photolithography |
| CN101661803B (en) * | 2009-08-07 | 2011-08-10 | 长园集团股份有限公司 | 1E-level K1-type shrinkable tube used in nuclear power station and preparation method thereof |
| CN101698720B (en) * | 2009-10-28 | 2011-09-14 | 江苏达胜热缩材料有限公司 | Medium and low pressure single wall thermal shrinkage pipe and preparation method thereof |
| CN101701091B (en) * | 2009-10-28 | 2011-08-31 | 江苏达胜热缩材料有限公司 | Low-voltage single-wall heat-shrinkable tube and preparation method thereof |
| CN101831095A (en) * | 2010-04-01 | 2010-09-15 | 北京富迪创业科技有限公司 | Cable sheath tube for ships and preparation method thereof |
| CN101824180B (en) * | 2010-05-17 | 2011-11-23 | 佛山塑料集团股份有限公司 | High elasticity polyolefin hose with radiation crosslinking and preparation method thereof |
| CN102898708A (en) * | 2011-07-27 | 2013-01-30 | 上海凯波特种电缆料厂有限公司 | High-efficiency low-radiation dose irradiation crosslinking polyethylene insulation material and preparation method thereof |
| CN102977441B (en) * | 2012-12-12 | 2015-02-04 | 长园电子（东莞）有限公司 | Radiation crosslinking chloroprene rubber heat shrinkage material and preparation method thereof |
| CN103435889A (en) * | 2013-08-23 | 2013-12-11 | 吴江市英力达塑料包装有限公司 | Polyvinyl chloride soft foam plastic coiled material and preparation method thereof |
| CN103450553A (en) * | 2013-09-13 | 2013-12-18 | 无锡杰科塑业有限公司 | High-flame retardance polyolefin cable material and preparation method thereof |
| CN106496734A (en) * | 2016-10-21 | 2017-03-15 | 扬州大学 | The production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant |
| CN109079962A (en) * | 2018-08-13 | 2018-12-25 | 张剑 | A kind of building structure module and preparation method thereof |
-
1999
- 1999-12-24 CN CNB991257480A patent/CN1134497C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387646C (en) * | 2006-05-30 | 2008-05-14 | 广州凯恒科塑有限公司 | Fire-retarding thermal-shrinked indicated double pipe of radiant cross-linked and its preparation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1257090A (en) | 2000-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1134497C (en) | Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material | |
| CN1286895C (en) | Halogen-free flame-retardant thermal-shrinkage sleeve materials and sleeve prepared thereby | |
| CN102276905B (en) | A kind of formula of radiant cross-linked thermal-shrinked halogen-free fire-retardant identified casing product and making method | |
| CN100369968C (en) | Radiation cross-linked low-smoke halogen-free phosphor-free nanometer flame retardant thermal shrinkage material and method for preparing the same | |
| CN101629015B (en) | Polyamide elastomer thermal shrinkable material, polyamide elastomer double-layer material | |
| CN1137932C (en) | Low-temp thermoshrinking halogen-free polyolefine material with properties of radiation cross-linking, low smoke and flame retardation | |
| CN1091296C (en) | Radiation-crosslinked low smoke no halide flame retaining thermal shrinking electric cable fitting | |
| CN101560314A (en) | Halogen-free phosphorus-free inflaming retarding polyolefine material prepared by radiation grafting technology, preparation method and the application thereof | |
| CN101525470B (en) | Thermal shrinkable material of radiation crosslinking polyester elastomer | |
| CN109762232B (en) | Wear-resistant heat-shrinkable sleeve and preparation method thereof | |
| CN110760123A (en) | High-carbon-black tracking-resistant silane crosslinked polyethylene insulating material and preparation method thereof | |
| CN113278233B (en) | PVC cable material for bunched flame-retardant wires and cables and preparation method thereof | |
| CN112920436B (en) | Application of polyesteramide as high-temperature-resistant heat-shrinkable film | |
| CN1345893A (en) | Process for preparing halogen-free flame-retardant organosilane cross-linked poly-ethylene cable material | |
| CN111690216B (en) | High-temperature-resistant light diffusion PVC material and preparation method thereof | |
| CN114957848B (en) | Efficient ultraviolet crosslinked black low-smoke halogen-free cable material and preparation method and application thereof | |
| CN103183868A (en) | Halogen-free flame retardant heat shirnkable sleeving and production technology | |
| JP3175355B2 (en) | Heat-shrinkable tube made of resin composition | |
| CN114874532A (en) | High-performance optical cable thermoplastic sheath material and preparation method thereof | |
| JPH06107919A (en) | Flame-resistant polyester elastomer composition and its molding | |
| CN112143086B (en) | 1E-grade heat-shrinkable tubing for nuclear power station and preparation method thereof | |
| CN117624789B (en) | Modified polypropylene composite pipe and preparation process thereof | |
| CN115286864B (en) | Irradiation crosslinking polyolefin heat shrinkage tube material and preparation method and application thereof | |
| CN102276890A (en) | Formulation of bundling type radiant cross-linked polyolefin tag, and preparation method thereof | |
| CN104151692B (en) | Long-afterglow photo-induced light-storing heat-shrink tube and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |