CN103483784A - Flame-retardant PET (polyethylene glycol terephthalate) heat shrink film and preparation method thereof - Google Patents
Flame-retardant PET (polyethylene glycol terephthalate) heat shrink film and preparation method thereof Download PDFInfo
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- CN103483784A CN103483784A CN201310453557.6A CN201310453557A CN103483784A CN 103483784 A CN103483784 A CN 103483784A CN 201310453557 A CN201310453557 A CN 201310453557A CN 103483784 A CN103483784 A CN 103483784A
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 36
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims description 17
- 229920006300 shrink film Polymers 0.000 title abstract description 5
- 239000002202 Polyethylene glycol Substances 0.000 title 1
- 229920001223 polyethylene glycol Polymers 0.000 title 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 title 1
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 229920006257 Heat-shrinkable film Polymers 0.000 claims description 23
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical group CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 17
- 229920000728 polyester Polymers 0.000 claims description 15
- 229920000642 polymer Polymers 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 239000004902 Softening Agent Substances 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000005453 pelletization Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 4
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- -1 1 ~ 3 part Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 230000002269 spontaneous effect Effects 0.000 abstract description 2
- 239000004014 plasticizer Substances 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 37
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 7
- 229920002799 BoPET Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- FDSYTWVNUJTPMA-UHFFFAOYSA-N 2-[3,9-bis(carboxymethyl)-3,6,9,15-tetrazabicyclo[9.3.1]pentadeca-1(15),11,13-trien-6-yl]acetic acid Chemical compound C1N(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC2=CC=CC1=N2 FDSYTWVNUJTPMA-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 150000007520 diprotic acids Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical class C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000176 photostabilization Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a flame-retardant PET heat shrink film which comprises the following material in parts by weight: 80 to 90 parts of PET resin, 5 to 10 parts of environmentally friendly fire retardant, 1 to 5 parts of auxiliaries, 2 to 5 parts of lubricant and 1 to 3 parts of plasticizer. The flame-retardant PET heat shrink film not only has high tensile strength and high shrinkage performance, but also has a flame-retardant function, is applicable to external packing of electronic products, can prevent spontaneous combustion, which is caused by heat, of electronic products, and prevents fire hazard.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of Flame-retardant PET heat-shrinkable film and preparation method thereof.
Background technology
The PET resin is that (ethylene glycol, EG) with diprotic acid, (terephthalic acid, TPA) polycondensation forms line style homopolymerization polyester, and copolyester is with alcohol or the polyester of sour modification, and PETG, PCTG and PCTA and degradable copolyester are arranged by dibasic alcohol.
The PET film is the more comprehensive packaging film of a kind of Performance Ratio.Its transparency is good, glossy; There is good resistance to air loss and fragrance protectiveness; Moistureproofness is medium, and rate of perviousness descends at low temperatures.The mechanical property of PET film is good, and its obdurability is best in all thermoplasticss, and tensile strength and resistance to impact shock are more much higher than general film; And very power is good, and dimensional stabilizing, be suitable for the secondary processing such as printing, paper bag.The PET film also has good heat-resisting, winter hardiness and good chemical proofing and oil-proofness.But its not anti-highly basic; Easily static electrification, still do not have the method for suitable anti-electrostatic, so should arouse attention when the packing granular goods.
The PET film is specifically applied to the high-performance shrink film, and large dry 70% final shrinking percentage is arranged, and can be made into the packing of complex configuration container, has high plastic uptake power, high-clarity, high gloss, low haze, be easy to printing, difficult drop-off, during storage, the low advantage of natural shrinking rate, be applied to beverage bottle, food and change.Wherein the PETG film of two-way stretch is applicable to the high-quality base material of high-grade packing, printing, electronic apparatus, dressing of cable, insulating material and various industrial circles.Unilateral stretching PET, heat-shrinkable film are applicable to various canned, the external application labels such as polyester bottles, various containers.
In life, we sometimes keep away the generations such as unavoidable fire, and also there is no at present correlative study and the report of the PET heat-shrinkable film about flame retardant effect is arranged.
Summary of the invention
Goal of the invention: for the problems referred to above, but first purpose of the present invention is to provide a kind of good toughness, transparent Flame-retardant PET heat-shrinkable film.Second purpose of the present invention is to provide the preparation method of this shrink film.
Technical scheme: in order to solve the problems of the technologies described above, the invention provides a kind of Flame-retardant PET heat-shrinkable film, mainly made by following raw material by weight: 80 ~ 90 parts of PET resins, 5 ~ 10 parts of environment friendly flame retardants, 1 ~ 5 part of auxiliary agent, 2 ~ 5 parts of lubricants, 1 ~ 3 part, softening agent.
Described environment friendly flame retardant is a kind of in TDE, brominated epoxy resin or brominated Polystyrene.TDE 80108010 does not belong to polybromodiphenyl ether, absolutely not generation PBDD or PBDF in burning; 8010 relative molecular weight is 971; Bromine content 82%, and the brominated amount of DBDPO suitable (83%), so flame retardant properties is basically identical; Just fusing point is 345 ℃, and thermostability is than DBDPO(305 ℃) height; Its photostabilization and the characteristics that are difficult for dialysis all are better than DBDPO, and the most valuable is that its fire-retardant plastics can reclaim use, and this is the not available characteristics of many bromide fire retardants.The white crystalline powder that 8010 industrial goods are mean particle size 3 μ m, unrestricted flow, micronizing is easily disperseed in modifying plastics, and the plastics color freely.And the industrialization cost is suitable with DBDPO, it is the ideal substitute of DBDPO.As the addition type bromide fire retardant, 8010 also need to be used in conjunction with stibnide in use procedure, and mixing ratio is identical with DBDPO/ stibnide ratio; With DBDPO, compare, 8010 are more suitable for the engineering plastics of high-temperature sticky characteristic.
Described lubricant is a kind of in Zinic stearas, ethylene bis stearamide, inspissated wax or butyl stearate.
Described softening agent is dibutyl phthalate.
Wherein, auxiliary agent is HANKINS NCP-2.HANKINS*NCP/2 is a kind of nonvolatile, low viscous polymeric additive.Product is environmentally friendly additive, colorless and odorless, can be used for vinegar third, pure third and benzene emulsion in, to give outstanding viscosity and to the sticking power of base material.Because its unique chemical structure HANKINS*NCP/2 has hydrolysis, frost resistance and the hydrophobicity of height.Significantly improve glossiness and transparency after emulsion film forming, significant ductility and Restoration, strengthen glue-line elasticity and force of cohesion, strengthened snappiness and elasticity, excellent moist cohesive strength and dryness bond strength, improved stripping strength, the sticking power of the sticky base of difficulty is being shown to raising, good high temperature performance, strengthen the film formation at low temp performance, greatly improve the low temperature resistant of polymkeric substance, anti-freezing property.
The preparation method of described Flame-retardant PET heat-shrinkable film comprises the following steps:
1) take the raw material of above-mentioned parts by weight;
2) add PET resin, environment friendly flame retardant, auxiliary agent, lubricant, softening agent and stir 10 ~ 20min with 150 ~ 200rpm rotating speed in reactor at 75 ~ 85 ℃;
3) reactor temperature is increased to 290 ~ 300 ℃, Pressure Drop, to 90pa, reacts with this understanding 2 ~ 3h and obtains polymer melt, then the polymer melt of preparation is extruded, pelletizing, drying, obtains the PET polyester slice;
4) above-mentioned PET polyester slice is melt extruded, die head slab, slab spooling, two-way stretch, cooling and shaping, detect thickness, rolling, cutting and rewinding, packing, finished product.
Described to melt extrude temperature be 285 ~ 290 ℃, and described two-way stretch temperature is 112 ~ 117 ℃, and described detect thickness is 35 ~ 45 μ m.
Beneficial effect: Flame-retardant PET heat-shrinkable film prepared by the present invention, not only there is high tensile strength, shrinkage is strong, but also possesses anti-flaming function, is suitable for the outer packaging of electronic product, can prevent that the heating such as electronic product from causing the generation of spontaneous combustion, stops the generation of fire.
Embodiment
According to following embodiment, the present invention may be better understood.Yet, those skilled in the art will readily understand, the described concrete material proportion of embodiment is only for the present invention is described, and should also can not limit the present invention described in detail in claims.
Embodiment 1
A kind of Flame-retardant PET heat-shrinkable film, mainly made by following raw material: 80 parts of PET resins, 5 parts of TDE, 1 part of HANKINS NCP-2,2 parts of Zinic stearass, 1 part of dibutyl phthalate by weight.
The preparation method of Flame-retardant PET heat-shrinkable film comprises the following steps: the raw material that takes above-mentioned parts by weight;
Add PET resin, TDE, HANKINS NCP-2, Zinic stearas, dibutyl phthalate at 75 ℃ in reactor, and stir 10min with the 150rpm rotating speed; Reactor temperature is increased to 290 ℃, and Pressure Drop, to 90pa, reacts with this understanding 2 ~ 3h and obtains polymer melt, then the polymer melt of preparation is extruded, pelletizing, drying, obtains the PET polyester slice; By above-mentioned PET polyester slice melt extrude, die head slab, slab spooling, two-way stretch, cooling and shaping, detect thickness, rolling, cutting and rewinding, packing, finished product.Melt extruding temperature is 285 ℃, and the two-way stretch temperature is 112 ℃, and detect thickness is 35 μ m.The performance perameter measuring result:
Embodiment 2
A kind of Flame-retardant PET heat-shrinkable film, mainly made by following raw material: 90 parts of PET resins, 10 parts of brominated epoxy resins, 5 parts of HANKINS NCP-2,5 parts of ethylene bis stearamides, 3 parts of dibutyl phthalates by weight.
The preparation method of Flame-retardant PET heat-shrinkable film comprises the following steps: the raw material that takes above-mentioned parts by weight; Add PET resin, brominated epoxy resin, HANKINS NCP-2, ethylene bis stearamide, dibutyl phthalate at 85 ℃ in reactor, and stir 20min with the 200rpm rotating speed; Reactor temperature is increased to 300 ℃, and Pressure Drop, to 90pa, reacts with this understanding 3h and obtains polymer melt, then the polymer melt of preparation is extruded, pelletizing, drying, obtains the PET polyester slice; By above-mentioned PET polyester slice melt extrude, die head slab, slab spooling, two-way stretch, cooling and shaping, detect thickness, rolling, cutting and rewinding, packing, finished product.Melt extruding temperature is 290 ℃, and the two-way stretch temperature is 117 ℃, and detect thickness is 45 μ m.The performance perameter measuring result:
Embodiment 3
A kind of Flame-retardant PET heat-shrinkable film, mainly made by following raw material: 85 parts of PET resins, 7 parts of brominated Polystyrenes, 3 parts of HANKINS NCP-2,3 parts of inspissated waxs, 2 parts of dibutyl phthalates by weight.
The preparation method of Flame-retardant PET heat-shrinkable film comprises the following steps: the raw material that takes above-mentioned parts by weight; Add PET resin, brominated Polystyrene, HANKINS NCP-2, inspissated wax, dibutyl phthalate at 80 ℃ in reactor, and stir 15min with the 180rpm rotating speed; Reactor temperature is increased to 295 ℃, and Pressure Drop, to 90pa, reacts with this understanding 2.5h and obtains polymer melt, then the polymer melt of preparation is extruded, pelletizing, drying, obtains the PET polyester slice; By above-mentioned PET polyester slice melt extrude, die head slab, slab spooling, two-way stretch, cooling and shaping, detect thickness, rolling, cutting and rewinding, packing, finished product.Melt extruding temperature is 287 ℃, and the two-way stretch temperature is 115 ℃, and detect thickness is 40 μ m.
The performance perameter measuring result:
Embodiment 4
A kind of Flame-retardant PET heat-shrinkable film, mainly made by following raw material: 87 parts of PET resins, 8 parts of TDE, 4 parts of HANKINS NCP-2, Zinic stearas, 4 parts of stearic acid, 2 parts of dibutyl phthalates by weight.The preparation method of described Flame-retardant PET heat-shrinkable film comprises the following steps: the raw material that takes above-mentioned parts by weight; Add PET resin, TDE, HANKINS NCP-2, stearic acid, dibutyl phthalate at 77 ℃ in reactor, and stir 13min with the 155rpm rotating speed; Reactor temperature is increased to 297 ℃, and Pressure Drop, to 90pa, reacts with this understanding 2.5h and obtains polymer melt, then the polymer melt of preparation is extruded, pelletizing, drying, obtains the PET polyester slice; By above-mentioned PET polyester slice melt extrude, die head slab, slab spooling, two-way stretch, cooling and shaping, detect thickness, rolling, cutting and rewinding, packing, finished product.Melt extruding temperature is 288 ℃, and the two-way stretch temperature is 113 ℃, and detect thickness is 36 μ m.The performance perameter measuring result:
Claims (7)
1. a Flame-retardant PET heat-shrinkable film, is characterized in that, mainly by following raw material, made by weight: 80 ~ 90 parts of PET resins, 5 ~ 10 parts of environment friendly flame retardants, 1 ~ 5 part of auxiliary agent, 2 ~ 5 parts of lubricants, 1 ~ 3 part, softening agent.
2. Flame-retardant PET heat-shrinkable film according to claim 1, is characterized in that, described environment friendly flame retardant is a kind of in TDE, brominated epoxy resin or brominated Polystyrene.
3. Flame-retardant PET heat-shrinkable film according to claim 1, is characterized in that, described lubricant is a kind of in Zinic stearas, ethylene bis stearamide, inspissated wax or butyl stearate.
4. Flame-retardant PET heat-shrinkable film according to claim 1, is characterized in that, described softening agent is dibutyl phthalate.
5. Flame-retardant PET heat-shrinkable film according to claim 1, is characterized in that, described auxiliary agent is HANKINS NCP-2.
6. the preparation method of the described Flame-retardant PET heat-shrinkable film of claim 1 ~ 5 any one, is characterized in that, comprises the following steps:
1) take the raw material of above-mentioned parts by weight;
2) add PET resin, environment friendly flame retardant, auxiliary agent, lubricant, softening agent and stir 10 ~ 20min with 150 ~ 200rpm rotating speed in reactor at 75 ~ 85 ℃;
3) reactor temperature is increased to 290 ~ 300 ℃, Pressure Drop, to 90pa, reacts with this understanding 2 ~ 3h and obtains polymer melt, then the polymer melt of preparation is extruded, pelletizing, drying, obtains the PET polyester slice;
4) above-mentioned PET polyester slice is melt extruded, die head slab, slab spooling, two-way stretch, cooling and shaping, detect thickness, rolling, cutting and rewinding, packing, finished product.
7. the preparation method of Flame-retardant PET heat-shrinkable film according to claim 6, is characterized in that, described to melt extrude temperature be 285 ~ 290 ℃, and described two-way stretch temperature is 112 ~ 117 ℃, and described detect thickness is 35 ~ 45 μ m.
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Cited By (10)
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| CN104231571A (en) * | 2014-09-23 | 2014-12-24 | 苏州圣谱拉新材料科技有限公司 | Inflaming retarding thermal insulating film and preparation method thereof |
| CN106009556A (en) * | 2016-08-10 | 2016-10-12 | 安徽省宁国天成电工有限公司 | Polyethylene glycol terephthalate plastic film used for heating cable |
| CN106280303A (en) * | 2016-08-10 | 2017-01-04 | 安徽省宁国天成电工有限公司 | A kind of heater polyethylene terephthalate membrane material |
| CN106398132A (en) * | 2016-08-25 | 2017-02-15 | 太仓市鸿运包装材料有限公司 | Anti-ultraviolet PET heat shrinkable film and preparation method thereof |
| CN106398139A (en) * | 2016-09-28 | 2017-02-15 | 东莞市金顺包装材料有限公司 | Preparation method of sterilizing PET (Polyethylene Terephthalate) plastic |
| CN106398133A (en) * | 2016-08-25 | 2017-02-15 | 太仓市鸿运包装材料有限公司 | Antistatic PET heat shrinkable film and preparation method thereof |
| CN107556634A (en) * | 2017-08-31 | 2018-01-09 | 无锡英普林纳米科技有限公司 | A kind of environment-friendly type nano compressive film |
| CN108641310A (en) * | 2018-05-04 | 2018-10-12 | 宁国市千洪电子有限公司 | A kind of fire-retardant heat shrink films and manufacturing method |
| CN109135025A (en) * | 2016-11-03 | 2019-01-04 | 漳州龙文区汇洋远软件开发有限公司 | A kind of fire-retardant heat shrinkable package film and preparation method thereof |
| CN111793334A (en) * | 2020-08-18 | 2020-10-20 | 圆创享(苏州)新材料技术有限公司 | PET film and preparation method thereof |
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| CN104231571A (en) * | 2014-09-23 | 2014-12-24 | 苏州圣谱拉新材料科技有限公司 | Inflaming retarding thermal insulating film and preparation method thereof |
| CN104231571B (en) * | 2014-09-23 | 2016-08-24 | 苏州圣谱拉新材料科技有限公司 | Anti-flaming thermal-insulation film and preparation method thereof |
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| CN107556634A (en) * | 2017-08-31 | 2018-01-09 | 无锡英普林纳米科技有限公司 | A kind of environment-friendly type nano compressive film |
| CN108641310A (en) * | 2018-05-04 | 2018-10-12 | 宁国市千洪电子有限公司 | A kind of fire-retardant heat shrink films and manufacturing method |
| CN111793334A (en) * | 2020-08-18 | 2020-10-20 | 圆创享(苏州)新材料技术有限公司 | PET film and preparation method thereof |
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