CN103496240A - High-temperature-resistant wear-resistant film and production method thereof - Google Patents
High-temperature-resistant wear-resistant film and production method thereof Download PDFInfo
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- CN103496240A CN103496240A CN201310434307.8A CN201310434307A CN103496240A CN 103496240 A CN103496240 A CN 103496240A CN 201310434307 A CN201310434307 A CN 201310434307A CN 103496240 A CN103496240 A CN 103496240A
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Abstract
The invention relates to a high-temperature-resistant wear-resistant film. The film comprises three parts, namely an outer layer, a middle layer and an inner layer, wherein the outer layer accounts for 40% by weight, the middle layer accounts for 20% by weight, and the inner layer accounts for 40% by weight. According to the film, raw materials for improving the wear resistance and high-temperature tolerance of the film are added into the outer layer, and meanwhile, raw materials for improving the high-temperature resistance of the film are added into the inner layer, so that the quality of the film is improved. The invention further provides a production method of the film, which comprises the steps of (1) mixing materials; (2) proportioning the materials; (3) carrying out film blowing. The film provided by the invention has the characteristics of high surface flatness, easiness in being subjected to corona, easiness in cladding, high-temperature resistance and wear resistance, and continuous production can be realized through a film blowing machine by combining material proportioning equipment.
Description
Technical field
The present invention relates to the film production manufacture field, specifically a kind of heat resistant and wear resistant film and production method thereof.
Background technology
Blown film (BlowMembrane) is a kind of plastic working method, refers to the plastic pellet heating and melting is blown out to a kind of plastic processing of film again.If the film blown out with virgin material, color and luster is even, and clean, finished product stretches.If the plastic pellet made from the waste plastics reclaimed usually will add pigment when making film, the film of making may be just painted irregular, crisp and easily broken, and price is also lower.Blown film material by professional inflation film manufacturing machine production is applicable to various high-grade blister-packs.This film is due to its good barrier property, fresh-keeping, damp proof, frost protection, and oxygen barrier, oil resistant, can be widely used in the weight packing.As various fresh fruits, meat product, pickles, fresh milk, liquid beverage, medical supplies etc.If non-professional inflation film manufacturing machine or inflation film manufacturing machine do not make on sound lines in process, the coating materials of making so may be also substandard products.Most of PE are for the blown film film processed, and general low density PE (LDPE) or linearity are hanged down close PE(LLDPE) all available.The HDPE film-grade is generally used for the place that requires superior draftability and fabulous barrier properties.For example, the HDPE film is usually used in commodity bag, groceries bag and food Package.The PE processing film is generally by common blown film processing or the flat processing method of squeezing.
Due to the scope difference of film application, the characteristic of requirement has very large difference, also there is no at present a kind of easy volume production, high, the easy corona of surface smoothness, easily compound, high temperature resistant, and wear-resisting film.
Summary of the invention
The present invention is above technical problem just, and a kind of easy volume production, high, the easy corona of surface smoothness, easily compound, high temperature resistant, and wear-resisting film are provided.
The present invention is achieved through the following technical solutions:
A kind of heat resistant and wear resistant film, comprise skin, middle level, internal layer three parts, the each several part proportion of composing is (percentage by weight): outer 40%, middle level 20%, internal layer 40%, its ectomesoderm is comprised of LDPE2420H, LLDPE920NT, PBT polybutylene terephthalate (PBT), PPO polyphenylene oxide, each component ratio for (percentage by weight): LDPE2420H accounts for 55%~60%, LLDPE920NT accounts for 25%~40%, PBT polybutylene terephthalate (PBT) 5%~10%, PPO polyphenylene oxide 5%~10%; Middle level is comprised of LDPE2420H, LLDPE920NT, and each component ratio is for (percentage by weight): LDPE2420H accounts for 30%~40%, LLDPE920NT accounts for 60%~70%; Internal layer is comprised of LDPE2426H, MDPE5401, LLDPE218W, LLDPE920NT, PBT polybutylene terephthalate (PBT), each component ratio for (percentage by weight): LDPE2426H accounts for 20%~30%, MDPE5401 accounts for 20%~30%, LLDPE218W accounts for 20%~30%, LLDPE920NT accounts for 20%~30%, the PBT polybutylene terephthalate (PBT) accounts for 1%~5%.
A kind of production method of heat resistant and wear resistant film comprises the following steps:
Step 1, batch mixing, stir each raw material to scale and make former mixed materials for later use by the percentage by weight of skin, middle level, each component of internal layer;
Step 2, batching, the former mixed material by the percentage by weight of skin, middle level, internal layer prepared by step 1 is prepared burden;
Step 3, blown film, adopt the inflation film manufacturing machine blow molding of being furnished with Automatic batching equipment to produce the film needed.
Film provided by the invention has high, the easy corona of surface smoothness, easily compound, high temperature resistant, and wear-resisting characteristics, and can, in conjunction with dispensing equipment, by inflation film manufacturing machine, realize producing continuously.
The specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1
At first, by weight percentage by 60% LDPE2420H, 30% LLDPE920NT, 5% PBT polybutylene terephthalate (PBT), 5% PPO polyphenylene oxide stirs and makes outer former mixed material, by weight percentage by 35% LDPE2420H, 65% LLDPE920NT stirs and makes the former mixed material in middle level, by weight percentage by 25% LDPE2426H, 25% MDPE5401, 25% LLDPE218W, 24% LLDPE920NT, 1% PBT polybutylene terephthalate (PBT) stirs and makes the former mixed material of internal layer, by weight percentage then by the former mixed material of skin, the former mixed material in middle level, the former mixed material of internal layer is by outer 40%, middle level 20%, internal layer 40% is prepared burden, after having prepared burden, can adopt the inflation film manufacturing machine blow molding of being furnished with Automatic batching equipment to produce the film needed.
Embodiment 2
At first, by weight percentage by 55% LDPE2420H, 25% LLDPE920NT, 10% PBT polybutylene terephthalate (PBT), 10% PPO polyphenylene oxide stirs and makes outer former mixed material, by weight percentage by 30% LDPE2420H, 70% LLDPE920NT stirs and makes the former mixed material in middle level, by weight percentage by 20% LDPE2426H, 30% MDPE5401, 20% LLDPE218W, 25% LLDPE920NT, 5% PBT polybutylene terephthalate (PBT) stirs and makes the former mixed material of internal layer, by weight percentage then by the former mixed material of skin, the former mixed material in middle level, the former mixed material of internal layer is by outer 40%, middle level 20%, internal layer 40% is prepared burden, after having prepared burden, can adopt the inflation film manufacturing machine blow molding of being furnished with Automatic batching equipment to produce the film needed.
Embodiment 3
At first, by weight percentage by 58% LDPE2420H, 26% LLDPE920NT, 8% PBT polybutylene terephthalate (PBT), 8% PPO polyphenylene oxide stirs and makes outer former mixed material, by weight percentage by 40% LDPE2420H, 60% LLDPE920NT stirs and makes the former mixed material in middle level, by weight percentage by 30% LDPE2426H, 20% MDPE5401, 27% LLDPE218W, 20% LLDPE920NT, 3% PBT polybutylene terephthalate (PBT) stirs and makes the former mixed material of internal layer, by weight percentage then by the former mixed material of skin, the former mixed material in middle level, the former mixed material of internal layer is by outer 40%, middle level 20%, internal layer 40% is prepared burden, after having prepared burden, can adopt the inflation film manufacturing machine blow molding of being furnished with Automatic batching equipment to produce the film needed.
Through test of many times, prove, PBT polybutylene terephthalate (PBT) and PPO polyphenylene oxide mixed in equal amounts dispersiveness are best, and effect is the most obvious.And, along with the increase of addition, its high temperature tolerance and wearability also show a rising trend.
Film provided by the invention has high, the easy corona of surface smoothness, easily compound, high temperature resistant, and wear-resisting characteristics, and can, in conjunction with dispensing equipment, by inflation film manufacturing machine, realize producing continuously.
Claims (5)
1. a heat resistant and wear resistant film, comprise skin, middle level, internal layer three parts, the each several part proportion of composing is (percentage by weight): outer 40%, middle level 20%, internal layer 40%, its ectomesoderm is comprised of LDPE2420H, LLDPE920NT, PBT polybutylene terephthalate (PBT), PPO polyphenylene oxide, each component ratio for (percentage by weight): LDPE2420H accounts for 55%~60%, LLDPE920NT accounts for 25%~40%, PBT polybutylene terephthalate (PBT) 5%~10%, PPO polyphenylene oxide 5%~10%; Middle level is comprised of LDPE2420H, LLDPE920NT, and each component ratio is for (percentage by weight): LDPE2420H accounts for 30%~40%, LLDPE920NT accounts for 60%~70%; Internal layer is comprised of LDPE2426H, MDPE5401, LLDPE218W, LLDPE920NT, PBT polybutylene terephthalate (PBT), each component ratio for (percentage by weight): LDPE2426H accounts for 20%~30%, MDPE5401 accounts for 20%~30%, LLDPE218W accounts for 20%~30%, LLDPE920NT accounts for 20%~30%, the PBT polybutylene terephthalate (PBT) accounts for 1%~5%.
2. a kind of film according to claim 1, is characterized in that outer each component ratio is that LDPE2420H accounts for 60%, LLDPE920NT accounts for 30%, PBT polybutylene terephthalate (PBT) 5%, PPO polyphenylene oxide 5%; Each component ratio of middle level is that LDPE2420H accounts for 35%, LLDPE920NT accounts for 65%; Each component ratio of internal layer is that LDPE2426H accounts for 25%, MDPE5401 accounts for 25%, LLDPE218W accounts for 25%, LLDPE920NT accounts for 24%, the PBT polybutylene terephthalate (PBT) accounts for 1%.
3. a kind of film according to claim 1, is characterized in that outer each component ratio is that LDPE2420H accounts for 55%, LLDPE920NT accounts for 25%, PBT polybutylene terephthalate (PBT) 10%, PPO polyphenylene oxide 10%; Each component ratio of middle level is that LDPE2420H accounts for 30%, LLDPE920NT accounts for 70%; Each component ratio of internal layer is that LDPE2426H accounts for 20%, MDPE5401 accounts for 30%, LLDPE218W accounts for 20%, LLDPE920NT accounts for 25%, the PBT polybutylene terephthalate (PBT) accounts for 5%.
4. a kind of film according to claim 1, is characterized in that outer each component ratio is that LDPE2420H accounts for 58%, LLDPE920NT accounts for 26%, PBT polybutylene terephthalate (PBT) 8%, PPO polyphenylene oxide 8%; Each component ratio of middle level is that LDPE2420H accounts for 40%, LLDPE920NT accounts for 60%; Each component ratio of internal layer is that LDPE2426H accounts for 30%, MDPE5401 accounts for 20%, LLDPE218W accounts for 27%, LLDPE920NT accounts for 20%, the PBT polybutylene terephthalate (PBT) accounts for 3%.
5. the production method of a film comprises the following steps:
Step 1, batch mixing, stir each raw material to scale and make former mixed materials for later use by the percentage by weight of skin, middle level, each component of internal layer;
Step 2, batching, the former mixed material by the percentage by weight of skin, middle level, internal layer prepared by step 1 is prepared burden;
Step 3, blown film, adopt the inflation film manufacturing machine blow molding of being furnished with Automatic batching equipment to produce the film needed.
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Cited By (1)
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CN103465577A (en) * | 2013-09-23 | 2013-12-25 | 苏州市涵信塑业有限公司 | Wear-resistant film and production method thereof |
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Application publication date: 20140108 |