CN104277185A - Heat-resisting anti-fogging PVC film and preparation method thereof - Google Patents
Heat-resisting anti-fogging PVC film and preparation method thereof Download PDFInfo
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- CN104277185A CN104277185A CN201410491975.9A CN201410491975A CN104277185A CN 104277185 A CN104277185 A CN 104277185A CN 201410491975 A CN201410491975 A CN 201410491975A CN 104277185 A CN104277185 A CN 104277185A
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Abstract
The invention discloses a heat-resisting anti-fogging PVC film and a preparation method thereof. The PVC film comprises the following components: PVC, an antioxidant, an auxiliary antioxidant, a glass fiber, citric acid, acrylic amide, a lubricating agent, a mineral fiber, carnauba wax and ethylenediamine tetraacetic acid disodium. The preparation method comprises the following steps: firstly adding PVC, a glass fiber, citric acid, acrylic amide, a mineral fiber, carnauba wax and ethylenediamine tetraacetic acid disodium to a reaction kettle; carrying out stirred reaction under a high-temperature vacuum condition to obtain a mixture 1; adding an antioxidant, an auxiliary antioxidant, citric acid and a lubricating agent to the mixture; stirring and mixing evenly at 80-100 DEG C, extruding and pelletizing in a twin-screw extruder to obtain master batches; and finally extruding and blowing the master batches by virtue of a plastic film blowing machine. The heat-resisting anti-fogging PVC film disclosed by the invention has excellent physical performance, heat resistance and anti-fogging performance, and is suitable for popularization and use.
Description
Technical field
The invention belongs to chemical industry film technical field of material, particularly high temperature resistant preventing atomization PVC film of one and preparation method thereof.
Background technology
Polyvinyl chloride, English abbreviation PVC is the thermoplastic resin be polymerized under initiator effect by vinylchlorid.It is the homopolymer of vinylchlorid.Ryuron and vinyl chloride copolymer system are referred to as vinyl chloride resin.PVC is the white powder of amorphous structure, and the degree of branching is less.Industrial PVC molecular weight generally, in 50,000 ~ 120,000 scopes, has larger polymolecularity, the reduction of molecular weight with polymerisation temperature and increasing; Without definite melting point, 80 ~ 85 DEG C start to soften, and 130 DEG C become viscoelastic state, and 160 ~ 180 DEG C start to change viscous state into; There is good mechanical property, about tensile strength 60MPa, shock strength 5 ~ 10kJ/m
2; There are excellent dielectric properties.But to the poor stability of light and heat, more than 100 DEG C or through long-time exposure in sunshine, will decompose and produce hydrogenchloride, and autocatalytically is decomposed further, cause variable color, physical and mechanical properties also declines rapidly, must add stablizer in actual applications to improve the stability to light and heat.PVC is very hard, and solvability is also very poor, and can only be dissolved in the minority solvents such as pimelinketone, ethylene dichloride and tetrahydrofuran (THF), all stable to organic and mineral acid, alkali, salt, chemical stability reduces with the rising of use temperature.PVC is dissolved in acetone-dithiocarbonic anhydride or Acetone-Benzene mixed solvent, forms fiber for dry-spinning or wet-spinning, claims polyvinyl chloride fibre, has difficult combustion, acid and alkali-resistance, antimicrobial, wear-resisting characteristic have good heat retention and elasticity.
PVC has good properties to be thus used to every field due to it.PVC film has been employed for many years as the embody rule product of PVC.Along with the development of every profession and trade, the requirement for product performance is also more and more higher, therefore needs the product developing excellent property more.
Application number be CN201210073862.8 patent discloses a kind of Antifog paddy rice sprout cultivation film, with parts by weight, raw material comprises: polyvinyl chloride resin, softening agent, thermo-stabilizer, Polyglycerine monostearate, sorbitan monosterate, 0 glyceryl monostearate, dihydroxyphenyl propane and UV light absorber, PVC film surface can be made to have more excellent and lasting wetting ability effect, fog is impelled to form uniform water film on PVC film surface, increase the transmittance of PVC film, thus improve the seedling temperature in greenhouse.Application number be CN201210073776.7 patent discloses the antifog food fresh keeping membrane of low temperature, comprising: polyvinyl chloride resin, softening agent, thermo-stabilizer, lubricant and newborn lark; The newborn lark A with low temperature active is as tensio-active agent, and make preservative film have good wetting ability equally in surface at low ambient temperatures, fog can form uniform moisture film at film surface, thus increases the light transmission of PVC film.Although above patent documentation improves on the anti-fog performance of PVC film, but the thermal deformation problem that PVC film at high temperature uses but is not solved, therefore need to be further improved, the resistance to elevated temperatures of PVC film is improved, strengthens other physicalies simultaneously.
Summary of the invention
The object of the invention is to provide a kind of high temperature resistant preventing atomization PVC film and preparation method thereof to overcome above the deficiencies in the prior art, making PVC film have more excellent physicals, there is high temperature resistant, preventing atomization performance well simultaneously.
The present invention adopts following technique means to realize:
A kind of high temperature resistant preventing atomization PVC film, comprise in components by weight percent: PVC 55-70 part, oxidation inhibitor 0.8-2 part, aid anti-oxidants 0.5-1 part, glass fibre 6-13 part, citric acid 1-4 part, acrylamide 3-8 part, lubricant 0.3-1 part, mineral fibre 1-5 part, carnauba wax 1-5 part, disodium ethylene diamine tetraacetate 0.3-1 part.
Described high temperature resistant preventing atomization PVC film, can preferably comprise in components by weight percent: PVC 60-65 part, oxidation inhibitor 1-1.5 part, aid anti-oxidants 0.6-0.8 part, glass fibre 8-11 part, citric acid 2-4 part, acrylamide 5-7 part, lubricant 0.6-0.8 part, mineral fibre 3-5 part, carnauba wax 2-4 part, disodium ethylene diamine tetraacetate 0.5-0.8 part.
Above-described high temperature resistant preventing atomization PVC film, oxidation inhibitor can be oxidation inhibitor DNP or antioxidant CA.
Above-described high temperature resistant preventing atomization PVC film, aid anti-oxidants can be aid anti-oxidants DLTP.
Above-described high temperature resistant preventing atomization PVC film, lubricant can be Magnesium Stearate or barium stearate.
The preparation method of the high temperature resistant preventing atomization PVC film described in more than one, step is as follows:
Step one, joining in reactor by PVC, glass fibre, acrylamide, mineral fibre, carnauba wax and disodium ethylene diamine tetraacetate, is 140-160 DEG C in temperature, and vacuum tightness is under the condition of 0.03-0.06MPa, stirring reaction 40-60 minute, obtains mixture one;
Step 2, joins oxidation inhibitor, aid anti-oxidants, citric acid and lubricant in the mixture one that step one obtains, is uniformly mixed, obtains mixture two under temperature is 80-100 DEG C of condition;
Step 3, mixture two extruding pelletization in twin screw extruder step 2 obtained, obtains master batch;
Step 4, master batch step 3 obtained adopts plastic film blowing machine to extrude blown film, obtains high temperature resistant preventing atomization PVC film.
The preparation method of described high temperature resistant preventing atomization PVC film, in step one, stirring reaction stirring velocity can be 300-400 rev/min.
The preparation method of described high temperature resistant preventing atomization PVC film, the condition that is uniformly mixed in step 2 can for stir with 250-300 rev/min, and the time is 15-30 minute.
The preparation method of described high temperature resistant preventing atomization PVC film, in step 3, extruding pelletization condition can divide four sections of controls for twin screw extruder cylinder back segment temperature, control respectively at 230-250 DEG C, barrel front-end temperature divides four sections of controls, control respectively at 240-260 DEG C, head temperature divides two sections of controls, controls respectively at 240-250 DEG C.
The preparation method of described high temperature resistant preventing atomization PVC film, in step 4, inflation film manufacturing machine condition can divide three sections of controls for barrel back segment temperature, control respectively at 220-240 DEG C, barrel front-end temperature divides three sections of controls, control respectively at 230-250 DEG C, blow-up ratio is 1.8-2.5, screw speed 25-30 rev/min, pulling speed 20-30 m/min.
High temperature resistant preventing atomization PVC film provided by the invention compared with prior art advantage is:
High temperature resistant preventing atomization PVC film provided by the invention has excellent physicals and high temperature resistant and preventing atomization performance, wherein tensile strength reaches more than 45MPa, elongation at break reaches more than 405%, heat-drawn wire reaches more than 166 DEG C, anti-fog performance reaches one-level, and properties is far above prior art.
Embodiment:
Embodiment 1
A kind of high temperature resistant preventing atomization PVC film, comprise in components by weight percent: PVC 55 parts, oxidation inhibitor DNP 0.8 part, aid anti-oxidants DLTP 0.5 part, 6 parts, glass fibre, citric acid 1 part, acrylamide 3 parts, Magnesium Stearate 0.3 part, mineral fibre 1 part, carnauba wax 1 part, disodium ethylene diamine tetraacetate 0.3 part.
The preparation method of described high temperature resistant preventing atomization PVC film, step is as follows:
Step one, joins in reactor by PVC, glass fibre, acrylamide, mineral fibre, carnauba wax and disodium ethylene diamine tetraacetate, is 140 DEG C in temperature, vacuum tightness is under the condition of 0.03MPa, stirring reaction 40 minutes, wherein stirring velocity is 300 revs/min, obtains mixture one;
Step 2, joins oxidation inhibitor, aid anti-oxidants, citric acid and lubricant in the mixture one that step one obtains, is uniformly mixed, is specially and stirs with 250 revs/min, 15 minutes time, obtain mixture two under temperature is 80 DEG C of conditions;
Step 3, mixture two extruding pelletization in twin screw extruder that step 2 is obtained, condition is that twin-screw extrusion machine barrel back segment temperature divides four sections of controls, control at 230 DEG C, 232 DEG C, 236 DEG C, 240 DEG C respectively, barrel front-end temperature divides four sections of controls, controls at 240 DEG C, 243 DEG C, 245 DEG C, 248 DEG C respectively, and head temperature divides two sections of controls, control respectively, at 240 DEG C, 245 DEG C, to obtain master batch;
Step 4, master batch step 3 obtained adopts plastic film blowing machine to extrude blown film, be specially barrel back segment temperature and divide three sections of controls, control at 220 DEG C, 223 DEG C, 226 DEG C respectively, barrel front-end temperature divides three sections of controls, controls at 230 DEG C, 235 DEG C, 240 DEG C respectively, blow-up ratio is 1.8, screw speed 25 revs/min, pulling speed 20 ms/min, obtains high temperature resistant preventing atomization PVC film.
Embodiment 2
A kind of high temperature resistant preventing atomization PVC film, comprises in components by weight percent: PVC 60 parts, oxidation inhibitor DNP 1 part, aid anti-oxidants DLTP 0.6 part, 8 parts, glass fibre, citric acid 2 parts, acrylamide 5 parts, barium stearate 0.6 part, mineral fibre 3 parts, carnauba wax 2 parts, disodium ethylene diamine tetraacetate 0.5 part.
The preparation method of described high temperature resistant preventing atomization PVC film, step is as follows:
Step one, joins in reactor by PVC, glass fibre, acrylamide, mineral fibre, carnauba wax and disodium ethylene diamine tetraacetate, is 145 DEG C in temperature, vacuum tightness is under the condition of 0.04MPa, stirring reaction 45 minutes, wherein stirring velocity is 310 revs/min, obtains mixture one;
Step 2, joins oxidation inhibitor, aid anti-oxidants, citric acid and lubricant in the mixture one that step one obtains, is uniformly mixed, is specially and stirs with 260 revs/min, 20 minutes time, obtain mixture two under temperature is 88 DEG C of conditions;
Step 3, mixture two extruding pelletization in twin screw extruder that step 2 is obtained, condition is that twin-screw extrusion machine barrel back segment temperature divides four sections of controls, control at 232 DEG C, 236 DEG C, 238 DEG C, 243 DEG C respectively, barrel front-end temperature divides four sections of controls, controls at 243 DEG C, 245 DEG C, 251 DEG C, 252 DEG C respectively, and head temperature divides two sections of controls, control respectively, at 243 DEG C, 246 DEG C, to obtain master batch;
Step 4, master batch step 3 obtained adopts plastic film blowing machine to extrude blown film, be specially barrel back segment temperature and divide three sections of controls, control at 222 DEG C, 227 DEG C, 235 DEG C respectively, barrel front-end temperature divides three sections of controls, controls at 235 DEG C, 236 DEG C, 240 DEG C respectively, blow-up ratio is 2, screw speed 28 revs/min, pulling speed 25 ms/min, obtains high temperature resistant preventing atomization PVC film.
Embodiment 3
A kind of high temperature resistant preventing atomization PVC film, comprise in components by weight percent: PVC 63 parts, antioxidant CA 1.3 parts, aid anti-oxidants DLTP 0.7 part, 10 parts, glass fibre, citric acid 3 parts, acrylamide 6 parts, Magnesium Stearate or barium stearate 0.7 part, mineral fibre 4 parts, carnauba wax 3 parts, disodium ethylene diamine tetraacetate 0.7 part.
The preparation method of described high temperature resistant preventing atomization PVC film, step is as follows:
Step one, joins in reactor by PVC, glass fibre, acrylamide, mineral fibre, carnauba wax and disodium ethylene diamine tetraacetate, is 150 DEG C in temperature, vacuum tightness is under the condition of 0.05MPa, stirring reaction 50 minutes, wherein stirring velocity is 360 revs/min, obtains mixture one;
Step 2, joins oxidation inhibitor, aid anti-oxidants, citric acid and lubricant in the mixture one that step one obtains, is uniformly mixed, is specially and stirs with 280 revs/min, 20 minutes time, obtain mixture two under temperature is 95 DEG C of conditions;
Step 3, mixture two extruding pelletization in twin screw extruder that step 2 is obtained, condition is that twin-screw extrusion machine barrel back segment temperature divides four sections of controls, control at 236 DEG C, 239 DEG C, 242 DEG C, 245 DEG C respectively, barrel front-end temperature divides four sections of controls, controls at 242 DEG C, 245 DEG C, 247 DEG C, 251 DEG C respectively, and head temperature divides two sections of controls, control respectively, at 243 DEG C, 246 DEG C, to obtain master batch;
Step 4, master batch step 3 obtained adopts plastic film blowing machine to extrude blown film, be specially barrel back segment temperature and divide three sections of controls, control at 226 DEG C, 230 DEG C, 238 DEG C respectively, barrel front-end temperature divides three sections of controls, controls at 237 DEG C, 241 DEG C, 245 DEG C respectively, blow-up ratio is 2.2, screw speed 30 revs/min, pulling speed 30 ms/min, obtains high temperature resistant preventing atomization PVC film.
Embodiment 4
A kind of high temperature resistant preventing atomization PVC film, comprise in components by weight percent: PVC 65 parts, oxidation inhibitor DNP 1.5 parts, aid anti-oxidants DLTP 0.8 part, 11 parts, glass fibre, citric acid 4 parts, acrylamide 7 parts, barium stearate 0.8 part, mineral fibre 5 parts, carnauba wax 4 parts, disodium ethylene diamine tetraacetate 0.8 part.
The preparation method of described high temperature resistant preventing atomization PVC film, step is as follows:
Step one, joins in reactor by PVC, glass fibre, acrylamide, mineral fibre, carnauba wax and disodium ethylene diamine tetraacetate, is 155 DEG C in temperature, vacuum tightness is under the condition of 0.05MPa, stirring reaction 56 minutes, wherein stirring velocity is 380 revs/min, obtains mixture one;
Step 2, joins oxidation inhibitor, aid anti-oxidants, citric acid and lubricant in the mixture one that step one obtains, is uniformly mixed, is specially and stirs with 290 revs/min, 25 minutes time, obtain mixture two under temperature is 95 DEG C of conditions;
Step 3, mixture two extruding pelletization in twin screw extruder that step 2 is obtained, condition is that twin-screw extrusion machine barrel back segment temperature divides four sections of controls, control at 235 DEG C, 239 DEG C, 243 DEG C, 247 DEG C respectively, barrel front-end temperature divides four sections of controls, controls at 242 DEG C, 246 DEG C, 251 DEG C, 256 DEG C respectively, and head temperature divides two sections of controls, control respectively, at 245 DEG C, 248 DEG C, to obtain master batch;
Step 4, master batch step 3 obtained adopts plastic film blowing machine to extrude blown film, be specially barrel back segment temperature and divide three sections of controls, control at 235 DEG C, 236 DEG C, 240 DEG C respectively, barrel front-end temperature divides three sections of controls, controls at 236 DEG C, 240 DEG C, 244 DEG C respectively, blow-up ratio is 2.3, screw speed 28 revs/min, pulling speed 26 ms/min, obtains high temperature resistant preventing atomization PVC film.
Embodiment 5
A kind of high temperature resistant preventing atomization PVC film, comprises in components by weight percent: PVC 70 parts, oxidation inhibitor DNP 2 parts, aid anti-oxidants DLTP 1 part, 13 parts, glass fibre, citric acid 4 parts, acrylamide 8 parts, Magnesium Stearate 1 part, mineral fibre 5 parts, carnauba wax 5 parts, disodium ethylene diamine tetraacetate 1 part.
The preparation method of described high temperature resistant preventing atomization PVC film, step is as follows:
Step one, joins in reactor by PVC, glass fibre, acrylamide, mineral fibre, carnauba wax and disodium ethylene diamine tetraacetate, is 160 DEG C in temperature, vacuum tightness is under the condition of 0.06MPa, stirring reaction 60 minutes, wherein stirring velocity is 400 revs/min, obtains mixture one;
Step 2, joins oxidation inhibitor, aid anti-oxidants, citric acid and lubricant in the mixture one that step one obtains, is uniformly mixed, is specially and stirs with 300 revs/min, 30 minutes time, obtain mixture two under temperature is 100 DEG C of conditions;
Step 3, mixture two extruding pelletization in twin screw extruder that step 2 is obtained, condition is that twin-screw extrusion machine barrel back segment temperature divides four sections of controls, control at 238 DEG C, 243 DEG C, 246 DEG C, 250 DEG C respectively, barrel front-end temperature divides four sections of controls, controls at 245 DEG C, 250 DEG C, 254 DEG C, 260 DEG C respectively, and head temperature divides two sections of controls, control respectively, at 247 DEG C, 250 DEG C, to obtain master batch;
Step 4, master batch step 3 obtained adopts plastic film blowing machine to extrude blown film, be specially barrel back segment temperature and divide three sections of controls, control at 228 DEG C, 235 DEG C, 240 DEG C respectively, barrel front-end temperature divides three sections of controls, controls at 242 DEG C, 247 DEG C, 250 DEG C respectively, blow-up ratio is 2.5, screw speed 30 revs/min, pulling speed 30 ms/min, obtains high temperature resistant preventing atomization PVC film.
Performance test is carried out to the high temperature resistant preventing atomization PVC film that above embodiment 1-5 prepares, wherein preventing atomization process of the test and criterion as follows:
Preventing atomization is tested:
Get a cylindric bucket, will add the hot water of 60-70 DEG C in bucket, add-on is general to bucket volume, and PVC film provided by the invention covered on bucket mouth, surrounding is shut, and observe the knot mist situation of film, judging criterion is in table 1.
The preventing atomization performance criteria of table 1 film
| Grade | Film knot mist situation | Through performance | Observe the sharpness of water in bucket |
| One-level | Mist phenomenon is not tied on film surface | Perviousness is excellent | High-visible |
| Secondary | There is local knot mist phenomenon on film surface | Perviousness is good | Substantially visible |
| Three grades | Film surface has big area to tie mist phenomenon | Perviousness is general | May be seen indistinctly |
| Level Four | Mist is tied completely in film surface | Perviousness is poor | Do not see Chu completely |
Carry out performance test to the PVC film that embodiment prepares, and make comparisons with the effect that reaches at present in prior art, concrete outcome is in table 2.
The high temperature resistant preventing atomization PVC film the performance test results that table 2 embodiment 1-5 prepares
| Project | Tensile strength/MPa | Elongation at break/% | Heat-drawn wire/DEG C | Anti-fog performance |
| Embodiment 1 | 45 | 405 | 166 | One-level |
| Embodiment 2 | 48 | 423 | 175 | One-level |
| Embodiment 3 | 52 | 435 | 180 | One-level |
| Embodiment 4 | 47 | 428 | 178 | One-level |
| Embodiment 5 | 47 | 416 | 172 | One-level |
| Prior art | 38 | 365 | 100 | Three grades |
Can draw from above test-results, high temperature resistant preventing atomization PVC film provided by the invention has excellent physicals and high temperature resistant and preventing atomization performance, wherein tensile strength reaches more than 45MPa, elongation at break reaches more than 405%, heat-drawn wire reaches more than 166 DEG C, anti-fog performance reaches one-level, and properties is all obviously better than the level that can reach in prior art.
Claims (10)
1. a high temperature resistant preventing atomization PVC film, it is characterized in that, comprise in components by weight percent: PVC 55-70 part, oxidation inhibitor 0.8-2 part, aid anti-oxidants 0.5-1 part, glass fibre 6-13 part, citric acid 1-4 part, acrylamide 3-8 part, lubricant 0.3-1 part, mineral fibre 1-5 part, carnauba wax 1-5 part, disodium ethylene diamine tetraacetate 0.3-1 part.
2. high temperature resistant preventing atomization PVC film according to claim 1, it is characterized in that, comprise in components by weight percent: PVC 60-65 part, oxidation inhibitor 1-1.5 part, aid anti-oxidants 0.6-0.8 part, glass fibre 8-11 part, citric acid 2-4 part, acrylamide 5-7 part, lubricant 0.6-0.8 part, mineral fibre 3-5 part, carnauba wax 2-4 part, disodium ethylene diamine tetraacetate 0.5-0.8 part.
3. high temperature resistant preventing atomization PVC film according to claim 1, is characterized in that, oxidation inhibitor is oxidation inhibitor DNP or antioxidant CA.
4. high temperature resistant preventing atomization PVC film according to claim 1, is characterized in that, aid anti-oxidants is aid anti-oxidants DLTP.
5. high temperature resistant preventing atomization PVC film according to claim 1, is characterized in that, lubricant is Magnesium Stearate or barium stearate.
6. a preparation method for the high temperature resistant preventing atomization PVC film described in any one of claim 1-5, it is characterized in that, step is as follows:
Step one, joining in reactor by PVC, glass fibre, acrylamide, mineral fibre, carnauba wax and disodium ethylene diamine tetraacetate, is 140-160 DEG C in temperature, and vacuum tightness is under the condition of 0.03-0.06MPa, stirring reaction 40-60 minute, obtains mixture one;
Step 2, joins oxidation inhibitor, aid anti-oxidants, citric acid and lubricant in the mixture one that step one obtains, is uniformly mixed, obtains mixture two under temperature is 80-100 DEG C of condition;
Step 3, mixture two extruding pelletization in twin screw extruder step 2 obtained, obtains master batch;
Step 4, master batch step 3 obtained adopts plastic film blowing machine to extrude blown film, obtains high temperature resistant preventing atomization PVC film.
7. the preparation method of high temperature resistant preventing atomization PVC film according to claim 6, is characterized in that, in step one, stirring reaction stirring velocity is 300-400 rev/min.
8. the preparation method of high temperature resistant preventing atomization PVC film according to claim 6, is characterized in that, the condition that is uniformly mixed in step 2 is for stir with 250-300 rev/min, and the time is 15-30 minute.
9. the preparation method of high temperature resistant preventing atomization PVC film according to claim 6, it is characterized in that, in step 3, extruding pelletization condition is that twin-screw extrusion machine barrel back segment temperature divides four sections of controls, control respectively at 230-250 DEG C, barrel front-end temperature divides four sections of controls, control respectively at 240-260 DEG C, head temperature divides two sections of controls, controls respectively at 240-250 DEG C.
10. the preparation method of high temperature resistant preventing atomization PVC film according to claim 6, it is characterized in that, in step 4, inflation film manufacturing machine barrel back segment temperature divides three sections of controls, control respectively at 220-240 DEG C, barrel front-end temperature divides three sections of controls, controls respectively at 230-250 DEG C, and blow-up ratio is 1.8-2.5, screw speed 25-30 rev/min, pulling speed 20-30 m/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106188752A (en) * | 2016-07-19 | 2016-12-07 | 镇江东方红纳米科技有限公司 | A kind of nanometer anti-fog thin film |
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|---|---|---|---|---|
| CN1213391A (en) * | 1996-11-22 | 1999-04-07 | 三井化学株式会社 | Thermoplastic resin composition and film made from the composition |
| CN102260379A (en) * | 2010-05-24 | 2011-11-30 | 深圳职业技术学院 | composite heat stabilizer and method for processing chlorine-containing polymer |
| US20120149809A1 (en) * | 2009-08-24 | 2012-06-14 | Adeka Corporation | Vinyl chloride resin composition for transparent products |
| CN102604269A (en) * | 2012-03-20 | 2012-07-25 | 绍兴宏润消防器材有限公司 | Low-temperature anti-vapour food preservative film |
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- 2014-09-24 CN CN201410491975.9A patent/CN104277185A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213391A (en) * | 1996-11-22 | 1999-04-07 | 三井化学株式会社 | Thermoplastic resin composition and film made from the composition |
| US20120149809A1 (en) * | 2009-08-24 | 2012-06-14 | Adeka Corporation | Vinyl chloride resin composition for transparent products |
| CN102260379A (en) * | 2010-05-24 | 2011-11-30 | 深圳职业技术学院 | composite heat stabilizer and method for processing chlorine-containing polymer |
| CN102604269A (en) * | 2012-03-20 | 2012-07-25 | 绍兴宏润消防器材有限公司 | Low-temperature anti-vapour food preservative film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106188752A (en) * | 2016-07-19 | 2016-12-07 | 镇江东方红纳米科技有限公司 | A kind of nanometer anti-fog thin film |
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