CN107603045A - A kind of plastic sheeting raw material and its preparation technology - Google Patents
A kind of plastic sheeting raw material and its preparation technology Download PDFInfo
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- CN107603045A CN107603045A CN201710894312.5A CN201710894312A CN107603045A CN 107603045 A CN107603045 A CN 107603045A CN 201710894312 A CN201710894312 A CN 201710894312A CN 107603045 A CN107603045 A CN 107603045A
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Abstract
The invention discloses a kind of plastic sheeting raw material and its preparation technology.One of which plastic sheeting, its raw material by weight, include the raw material components of following parts by weight：20 40 parts of polystyrene, 15 25 parts of makrolon, 10 15 parts of cellulose fibre, 15 25 parts of maleic anhydride grafted polyethylene, 35 parts of plasticizer, 46 parts of light stabilizer, 25 parts of antioxidant, 13 parts of lubricant, 24 parts of antistatic additive.The present invention has applicability wider, the oriented film that Low Temperature Thermal seals between cost lower paper and plastic sheeting or plastic sheeting, when the film is with paper or other Film laminateds, without glue coating, by Low Temperature Thermal sealing with compound, the features such as compound tense will not produce toxic gas can be completed by compound object contact.
Description
Technical field
The present invention relates to thin film materials art, specifically a kind of plastic sheeting raw material and its preparation technology.
Background technology
With the fast development of China's economy, the purchasing power of domestic resident is horizontal and consumption wish also progressively strengthens, and consumes
Idea will tend to further improve the quality of living, the also more and more higher of the requirement to packaging material.
Corvic has good heat resistance, toughness and ductility, and is widely used, polytetrafluoroethylene (PTFE) life
The microporous membrane of production, there is the advantages that Waterproof Breathable, corrosion-resistant, environment-protecting and non-poisonous again, makrolon (PC), be a kind of water white transparency
(or pale yellow transparent) firm and tough and tensile material, satisfactory mechanical property, tensile strength, rigidity, wearability and electrical insulating property
Also it is fine.The resistance to diluted acids of PC, oxidant, reducing agent, grease type, aliphatic hydrocarbon, not ultraviolet resistance, not alkaline-resisting.And by makrolon with
Corvic and polytetrafluoroethylene (PTFE) make packaging material together also seldom to be occurred.
The content of the invention
The invention provides a kind of plastic sheeting raw material and its preparation technology, to solve above-mentioned technical problem.
A kind of plastic sheeting raw material and its preparation technology, by weight, include the raw material components of following parts by weight：Polyphenyl
Ethene 20-40 parts, makrolon 15-25 parts, cellulose fibre 10-15 parts, maleic anhydride grafted polyethylene 15-25 parts, plasticising
Agent 3-5 parts, light stabilizer 4-6 parts, antioxidant 2-5 parts, lubricant 1-3 parts, antistatic additive 2-4 parts.
Preferably, the plasticizer is aliphatic polyol.
Preferably, the lubricant is microcrystalline wax.
Preferably, the antistatic additive is polyoxyethylene dodecyl amine or octadecyldiethanol amine.
For the preparation method of the first polycarboxylate water-reducer, comprise the following steps：
(1) 180 DEG C -280 DEG C are added raw materials into corresponding extruder to be melted, plastified, extrude and conflux in T-shaped or
Rack type die, by die head in 180 DEG C of -280 DEG C of extrusions；
(2) the die head extrudate of supporting layer is cooled down by 10 DEG C -60 DEG C of cooling device, forms diaphragm；Diaphragm is through vertical
Preheated successively to stretching-machine, longitudinal stretching and thermal finalization, 100 DEG C of -170 DEG C of preheatings, longitudinal stretching multiplying power be 2-6, is stretched
Temperature is 60 DEG C -160 DEG C, and the temperature of thermal finalization is 90 DEG C -170 DEG C；
(3) now, the resin of at least one layer of low-temperature heat-sealing layered material molten condition flows out from another die head, equally wants raw material
Add in corresponding extruder and melted, plastified, extrude and conflux in T-shaped or rack type die, extruded by die head, with indulging
Carry out that hot pressing is compound enters back into cross directional stretch preheated zone to the film after stretching；
(4) being preheated through 100 DEG C -190 DEG C, cross directional stretch multiplying power is 6-12, draft temperature is 60 DEG C of -170 DEG C of cross directional stretch,
Temperature range is 90 DEG C -190 DEG C and carries out thermal finalization；
(5) conventional corona or flame treatment are carried out to the outermost layer of the supporting layer of composite membrane after cross directional stretch；
(6) wind.
Beneficial effects of the present invention：
The present invention has applicability wider, and Low Temperature Thermal seals between cost lower paper and plastic sheeting or plastic sheeting
Oriented film, when the film and paper or other Film laminateds, without glue coating, by Low Temperature Thermal sealing with by compound
Object contact can complete compound, the features such as compound tense will not produce toxic gas.
Embodiment
Embodiments of the invention are described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Below by way of specific embodiment, the present invention will be described in detail.
The present invention includes embodiment in detail below：
Embodiment 1
(1) each material component is weighed by following parts by weight：
20 parts of polystyrene, 15 parts of makrolon, 10 parts of cellulose fibre, 15 parts of maleic anhydride grafted polyethylene, plasticising
3 parts of agent, 4 parts of light stabilizer, 2 parts of antioxidant, 1 part of lubricant, 2 parts of antistatic additive；
(2) above-mentioned raw materials are added in corresponding extruder into 180 DEG C to be melted, plastify, extrudes and conflux in T-shaped or clothing
Frame pattern head, by die head in 180 DEG C of extrusions；
(3) the die head extrudate of supporting layer is cooled down by 10 DEG C of cooling device, forms diaphragm；Diaphragm is through longitudinal stretching
Machine is preheated successively, longitudinal stretching and thermal finalization, 100 DEG C of preheatings, longitudinal stretching multiplying power are 2, and draft temperature is 60 DEG C, and heat is fixed
The temperature of type is 90 DEG C；
(4) now, the resin of at least one layer of low-temperature heat-sealing layered material molten condition flows out from another die head, equally above-mentioned
Raw material, which is added in corresponding extruder, to be melted, is plastified, and is extruded and is confluxed in T-shaped or rack type die, is extruded by die head,
Carry out that hot pressing is compound enters back into cross directional stretch preheated zone with the film after longitudinal stretching；
(5) through 100 DEG C of preheatings, cross directional stretch multiplying power is 6, draft temperature is 60 DEG C of cross directional stretch, and temperature range is 90 DEG C
Carry out thermal finalization；
(6) conventional corona or flame treatment are carried out to the outermost layer of the supporting layer of composite membrane after cross directional stretch；
(7) wind.
Embodiment 2
(1) each material component is weighed by following parts by weight：
30 parts of polystyrene, 20 parts of makrolon, 13 parts of cellulose fibre, 20 parts of maleic anhydride grafted polyethylene, plasticising
4 parts of agent, 5 parts of light stabilizer, 3.5 parts of antioxidant, 2 parts of lubricant, 3 parts of antistatic additive；
(2) above-mentioned raw materials are added in corresponding extruder into 230 DEG C to be melted, plastify, extrudes and conflux in T-shaped or clothing
Frame pattern head, by die head in 230 DEG C of extrusions；
(3) the die head extrudate of supporting layer is cooled down by 35 DEG C of cooling device, forms diaphragm；Diaphragm is through longitudinal stretching
Machine is preheated successively, longitudinal stretching and thermal finalization, 135 DEG C of preheatings, longitudinal stretching multiplying power are 4, and draft temperature is 110 DEG C, heat
The temperature of sizing is 130 DEG C；
(4) now, the resin of at least one layer of low-temperature heat-sealing layered material molten condition flows out from another die head, equally above-mentioned
Raw material, which is added in corresponding extruder, to be melted, is plastified, and is extruded and is confluxed in T-shaped or rack type die, is extruded by die head,
Carry out that hot pressing is compound enters back into cross directional stretch preheated zone with the film after longitudinal stretching；
(5) through 145 DEG C of preheatings, cross directional stretch multiplying power is 9, draft temperature is 115 DEG C of cross directional stretch, temperature range 140
DEG C carry out thermal finalization；
(6) conventional corona or flame treatment are carried out to the outermost layer of the supporting layer of composite membrane after cross directional stretch；
(7) wind.
Embodiment 3
(1) each material component is weighed by following parts by weight：
40 parts of polystyrene, 25 parts of makrolon, 15 parts of cellulose fibre, 25 parts of maleic anhydride grafted polyethylene, plasticising
5 parts of agent, 6 parts of light stabilizer, 5 parts of antioxidant, 3 parts of lubricant, 4 parts of antistatic additive；
(2) above-mentioned raw materials are added in corresponding extruder into 280 DEG C to be melted, plastify, extrudes and conflux in T-shaped or clothing
Frame pattern head, by die head in 280 DEG C of extrusions；
(3) the die head extrudate of supporting layer is cooled down by 60 DEG C of cooling device, forms diaphragm；Diaphragm is through longitudinal stretching
Machine is preheated successively, longitudinal stretching and thermal finalization, 170 DEG C of preheatings, longitudinal stretching multiplying power are 6, and draft temperature is 160 DEG C, heat
The temperature of sizing is 170 DEG C；
(4) now, the resin of at least one layer of low-temperature heat-sealing layered material molten condition flows out from another die head, equally above-mentioned
Raw material, which is added in corresponding extruder, to be melted, is plastified, and is extruded and is confluxed in T-shaped or rack type die, is extruded by die head,
Carry out that hot pressing is compound enters back into cross directional stretch preheated zone with the film after longitudinal stretching；
(5) through 190 DEG C of preheatings, cross directional stretch multiplying power is 12, draft temperature is 170 DEG C of cross directional stretch, temperature range 190
DEG C carry out thermal finalization；
(6) conventional corona or flame treatment are carried out to the outermost layer of the supporting layer of composite membrane after cross directional stretch；
(7) wind.
The embodiments of the present invention described above are not intended to limit the scope of the present invention, any in the present invention
Spirit and principle within the modifications, equivalent substitutions and improvements made etc., should be included in the claim protection model of the present invention
Within enclosing.
Claims (5)
1. a kind of plastic sheeting raw material, it is characterised in that by weight, include the raw material components of following parts by weight：Polyphenyl second
Alkene 20-40 parts, makrolon 15-25 parts, cellulose fibre 10-15 parts, maleic anhydride grafted polyethylene 15-25 parts, plasticizer
3-5 parts, light stabilizer 4-6 parts, antioxidant 2-5 parts, lubricant 1-3 parts, antistatic additive 2-4 parts.
2. the plastic sheeting raw material according to claims 1, it is characterised in that the plasticizer is aliphatic polyol.
3. the plastic sheeting raw material according to claims 1, it is characterised in that the lubricant is microcrystalline wax.
4. the plastic sheeting raw material according to claims 1, it is characterised in that the antistatic additive is polyoxyethylene 12
Alkylamine or octadecyldiethanol amine.
5. a kind of preparation technology of plastic sheeting, it is characterised in that comprise the following steps：
(1) 180 DEG C -280 DEG C are added raw materials into corresponding extruder to be melted, plastified, extrudes and confluxes in T-shaped or clothes hanger
Pattern head, by die head in 180 DEG C of -280 DEG C of extrusions；
(2) the die head extrudate of supporting layer is cooled down by 10 DEG C -60 DEG C of cooling device, forms diaphragm；Diaphragm is through longitudinal drawing
Stretch machine preheated successively, longitudinal stretching and thermal finalization, 100 DEG C of -170 DEG C of preheatings, longitudinal stretching multiplying power is 2-6, draft temperature
For 60 DEG C -160 DEG C, the temperature of thermal finalization is 90 DEG C -170 DEG C；
(3) now, the resin of at least one layer of low-temperature heat-sealing layered material molten condition flows out from another die head, same to want raw material to add
Melted, plastified in corresponding extruder, extruded and conflux in T-shaped or rack type die, extruded by die head, with longitudinal drawing
Film after stretching carries out that hot pressing is compound to enter back into cross directional stretch preheated zone；
(4) preheated through 100 DEG C -190 DEG C, cross directional stretch multiplying power is 6-12, draft temperature is 60 DEG C of -170 DEG C of cross directional stretch, temperature
Scope is 90 DEG C -190 DEG C and carries out thermal finalization；
(5) conventional corona or flame treatment are carried out to the outermost layer of the supporting layer of composite membrane after cross directional stretch；
(6) wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710894312.5A CN107603045A (en) | 2017-09-28 | 2017-09-28 | A kind of plastic sheeting raw material and its preparation technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710894312.5A CN107603045A (en) | 2017-09-28 | 2017-09-28 | A kind of plastic sheeting raw material and its preparation technology |
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| CN107603045A true CN107603045A (en) | 2018-01-19 |
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| CN201710894312.5A Pending CN107603045A (en) | 2017-09-28 | 2017-09-28 | A kind of plastic sheeting raw material and its preparation technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370079A (en) * | 2018-09-21 | 2019-02-22 | 上海佰鑫新材料科技有限公司 | A kind of plastic film and its preparation process |
| CN111849033A (en) * | 2020-06-15 | 2020-10-30 | 南京淳达科技发展有限公司 | Auxiliary agent of special linear material for heat-sealing layer CPE packaging film and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398278A (en) * | 2000-02-04 | 2003-02-19 | 拜尔公司 | Films made from mixtures of polycarbonate and polystyrol |
| CN103965558A (en) * | 2014-04-11 | 2014-08-06 | 苏州市依星橡塑有限公司 | Preparation technology of oxidation resisting plastic film |
| CN105566882A (en) * | 2016-03-21 | 2016-05-11 | 苏州锦腾电子科技有限公司 | High-binding-force electroplating engineering plastic |
| CN106084524A (en) * | 2016-06-17 | 2016-11-09 | 铜陵方正塑业科技有限公司 | High tenacity food bag and preparation method thereof |
-
2017
- 2017-09-28 CN CN201710894312.5A patent/CN107603045A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398278A (en) * | 2000-02-04 | 2003-02-19 | 拜尔公司 | Films made from mixtures of polycarbonate and polystyrol |
| CN103965558A (en) * | 2014-04-11 | 2014-08-06 | 苏州市依星橡塑有限公司 | Preparation technology of oxidation resisting plastic film |
| CN105566882A (en) * | 2016-03-21 | 2016-05-11 | 苏州锦腾电子科技有限公司 | High-binding-force electroplating engineering plastic |
| CN106084524A (en) * | 2016-06-17 | 2016-11-09 | 铜陵方正塑业科技有限公司 | High tenacity food bag and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370079A (en) * | 2018-09-21 | 2019-02-22 | 上海佰鑫新材料科技有限公司 | A kind of plastic film and its preparation process |
| CN111849033A (en) * | 2020-06-15 | 2020-10-30 | 南京淳达科技发展有限公司 | Auxiliary agent of special linear material for heat-sealing layer CPE packaging film and preparation method thereof |
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