CN102532645A - Polyethylene-based composite barrier material and preparing method thereof - Google Patents
Polyethylene-based composite barrier material and preparing method thereof Download PDFInfo
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- CN102532645A CN102532645A CN2010105998444A CN201010599844A CN102532645A CN 102532645 A CN102532645 A CN 102532645A CN 2010105998444 A CN2010105998444 A CN 2010105998444A CN 201010599844 A CN201010599844 A CN 201010599844A CN 102532645 A CN102532645 A CN 102532645A
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Abstract
The invention relates to a polyethylene-based composite barrier material and a preparing method thereof. The polyethylene-based composite barrier material contains the following components according to content of part by weight, 50-90 of high-density polyethylene resin, 40-100 of polymer fiber and 0-10 of compatilizer. The high-density polyethylene resin is fused, the polymer fiber is scattered and soaked through fuse element of the high-density polyethylene resin containing the compatilizer to be completely soaked and cut into granules with corresponding lengths after cooling, the obtained granules are performed with blow molding, extruding or injection molding, and a product with barrier performance is obtained. Compared with the prior art, the preparing method of the polyethylene-based composite barrier material is simple and easy to operate, the machining process is easy to control, and the obtained product has good barrier performance.
Description
Technical field
The present invention relates to a kind of barrier material and preparation method thereof, especially relate to compound barrier material of a kind of polyvinyl and preparation method thereof.
Background technology
High density polyethylene(HDPE) is as wrapping material commonly used; Have a lot of advantages: rigidity, intensity, hardness, creep resistance, glossiness and resistance moisture permeability are all higher; Have toughness, electrical insulating property, tear strength, lower temperature resistance etc. preferably, but the resistance O of HDPE
2, CO
2Very poor with the oil resistance penetrating quality, handle so need carry out modification, to adapt to the requirement of the higher barrier property of wrapping material it.
The method that is used for improving the barrier property of high density polyethylene(HDPE) at present mainly contains: to frosting fluoridize, process for treating surface such as sulfonation or spraying; Multi-layer co-extruded technology such as polyethylene layer, adhesive linkage, barrier layer; High density polyethylene(HDPE) and barrier resins stratiform blending and modifying technology.
Process for treating surface can cause environmental pollution, should not adopt; The multilayer System of Hollow Blow Shaping Machine that multi-layer co-extruded technical requirements is special-purpose, high to equipment requirements, the technology controlling and process difficulty, product cost is higher; The mechanism of stratiform blending and modifying technology is: the barrier resins that takes blocking effect is dispersed phase distribution in the external phase matrix resin; Barrier layer and matrix are formed multilayered structure; Make that the solvent molecule approach of penetrating becomes full of twists and turns in the container; Increase the length of approach, thereby increased the barrier property of container.In the blend course of processing,, and be distributed in the matrix resin with the larger particles shape if barrier resins is by enough stretchings; Perhaps; Barrier resins is fractured into particulate owing to being strong shearing, does not form sheet, and the barrier property of blend all can not get improving.
In recent decades, polyolefine/barrier resins material purposes on packing business and automotive industry is more and more wider, and research and exploitation have high barrier and be easy to realize that the polymer materials of industrialization just seems more and more important.
Summary of the invention
The object of the invention is exactly to provide a kind of preparation method simple for the defective that overcomes above-mentioned prior art existence, compound barrier material of polyvinyl that complete processing is easy to control and preparation method thereof.
The object of the invention can be realized through following technical scheme:
The compound barrier material of a kind of polyvinyl is characterized in that, this material comprises following component and weight part content:
High-density polyethylene resin 50-90;
Polymer fiber 40-10;
Compatilizer 0-10.
Described high-density polyethylene resin is commercially available HDPE resin.
Described polymer fiber has good barrier property, is selected from nylon 6 fiber (PA6), nylon 66 fiber (PA66), pet fiber (PET) or the polyethylene naphthalate fiber (PEN) one or more.
The melt temperature of described polymer fiber is greater than 220 ℃.
Described compatilizer is the grafts or the multipolymer of maleic anhydride or SY-Monomer G, vinylformic acid etc.
The preparation method of the compound barrier material of a kind of polyvinyl is characterized in that, this method may further comprise the steps:
(1) get the raw materials ready according to following component and weight part content:
High-density polyethylene resin 50-90,
Polymer fiber 40-10,
Compatilizer 0-10;
(2) with high-density polyethylene resin in 170～190 ℃ of fusions, obtain the high-density polyethylene resin melt;
(3) with polymer fiber through containing the melt dispersion and the infiltration of high-density polyethylene resin of compatilizer, polymer fiber is soaked into fully;
Be cut into the pellet of respective length after the polymer fiber that soaks into the fully cooling that (4) will obtain;
(5) pellet that obtains is carried out blowing, extrudes or injection moulding, promptly obtain having the product of barrier property.
Polymer fiber described in the step (3) is drawn by creel, through the tensioning roller adjustment of tonicity, gets into the melt impregnation die head, in die head, utilizes the melt of compatilizer and high-density polyethylene resin that polymer fiber is disperseed and soaks into.
Compared with prior art; The material that takes blocking effect in the product that the present invention prepares exists with fibers form all the time; Because the separating polymer fiber does not have to shear and control the temperature of high-density polyethylene resin melt in the melt impregnation process; Make the separating polymer fiber in the matrix material that makes, not suffer damage and be dispersed in the matrix resin; Kept the continuity and the dispersiveness of separating polymer fiber in the pellet, also guaranteed through follow-up blowing, the integrity of extruding separating polymer fiber in the goods that obtain with injection moulding process and homogeneity, therefore; Will be beset with resistance owing to the existence of these separating polymer fibers when solvent molecule penetrates wall of container in the container, thereby improved the barrier property of material.
Embodiment
Below in conjunction with specific embodiment the present invention is elaborated.
Embodiment 1
The HDPE resin is plastifying fusion under 170 ℃ of temperature condition, obtains the HDPE resin melt; With the continuous P ET fiber of 50kg melt impregnation, make the PET fiber soak into fully through the HDPE resin of 50kg.Wherein, continuous P ET fiber is drawn by creel, through the tensioning roller adjustment of tonicity; Get into the melt impregnation die head, in die head, realize the dispersion and the infiltration of fiber, the content of the control of export fiber of the fiber through die head; Cooling curing is cut into fixed length (for example 8mm, 12mm etc.) through dicing machine.
Embodiment 2
The HDPE resin is plastifying fusion under 180 ℃ of temperature condition, obtains the HDPE resin melt; With the continuous P A66 fiber of 60kg melt impregnation, make the PA66 fiber soak into fully through the HDPE resin of 30kg.Wherein, continuous P A66 fiber is drawn by creel, through the tensioning roller adjustment of tonicity; Get into the melt impregnation die head, in die head, realize the dispersion and the infiltration of fiber, the content of the control of export fiber of the fiber through die head; Cooling curing is cut into fixed length (for example 8mm, 12mm etc.) through dicing machine.
Embodiment 3
The HDPE resin is plastifying fusion under 190 ℃ of temperature condition, obtains the HDPE resin melt; With the successive PEN fiber of 70kg melt impregnation, make the PEN fiber soak into fully through the HDPE resin of 20kg.Wherein, continuous P EN fiber is drawn by creel, through the tensioning roller adjustment of tonicity; Get into the melt impregnation die head, in die head, realize the dispersion and the infiltration of fiber, the content of the control of export fiber of the fiber through die head; Cooling curing is cut into fixed length (for example 8mm, 12mm etc.) through dicing machine.
Embodiment 4
The preparation method of the compound barrier material of a kind of polyvinyl, this method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
High-density polyethylene resin 50kg, polymer fiber 40kg, compatilizer 10kg; Wherein, High-density polyethylene resin adopts commercially available HDPE resin, and polymer fiber has good barrier property, and melt temperature is greater than 220 ℃; The polymer fiber that present embodiment adopted is the blend fiber of nylon 6 fiber and nylon 66 fiber, and compatilizer is a copolymer-maleic anhydride;
(2) with high-density polyethylene resin in 180 ℃ of fusions, obtain the high-density polyethylene resin melt;
(3) polymer fiber is drawn by creel,, get into the melt impregnation die head, in die head, utilize the melt of compatilizer and high-density polyethylene resin that polymer fiber is disperseed and soak into, polymer fiber is soaked into fully through the tensioning roller adjustment of tonicity;
Be cut into the pellet of respective length after the polymer fiber that soaks into the fully cooling that (4) will obtain;
(5) pellet that obtains is carried out blowing, extrudes or injection moulding, promptly obtain having the product of barrier property.
Claims (7)
1. the compound barrier material of polyvinyl is characterized in that, this material comprises following component and weight part content:
High-density polyethylene resin 50-90;
Polymer fiber 40-10;
Compatilizer 0-10.
2. the compound barrier material of a kind of polyvinyl according to claim 1 is characterized in that, described high-density polyethylene resin is commercially available HDPE resin.
3. the compound barrier material of a kind of polyvinyl according to claim 1; It is characterized in that; Described polymer fiber has good barrier property, is selected from nylon 6 fiber (PA6), nylon 66 fiber (PA66), pet fiber (PET) or the polyethylene naphthalate fiber (PEN) one or more.
4. the compound barrier material of a kind of polyvinyl according to claim 1 is characterized in that the melt temperature of described polymer fiber is greater than 220 ℃.
5. the compound barrier material of a kind of polyvinyl according to claim 1 is characterized in that, described compatilizer is the grafts or the multipolymer of maleic anhydride or SY-Monomer G, vinylformic acid etc.
6. the preparation method of the compound barrier material of polyvinyl as claimed in claim 1 is characterized in that, this method may further comprise the steps:
(1) get the raw materials ready according to following component and weight part content:
High-density polyethylene resin 50-90,
Polymer fiber 40-10,
Compatilizer 0-10;
(2) with high-density polyethylene resin in 170～190 ℃ of fusions, obtain the high-density polyethylene resin melt;
(3) with polymer fiber through containing the melt dispersion and the infiltration of high-density polyethylene resin of compatilizer, polymer fiber is soaked into fully;
Be cut into the pellet of respective length after the polymer fiber that soaks into the fully cooling that (4) will obtain;
(5) pellet that obtains is carried out blowing, extrudes or injection moulding, promptly obtain having the product of barrier property.
7. the preparation method of the compound barrier material of a kind of polyvinyl according to claim 6; It is characterized in that; Polymer fiber described in the step (3) is drawn by creel; Through the tensioning roller adjustment of tonicity, get into the melt impregnation die head, in die head, utilize the melt of compatilizer and high-density polyethylene resin that polymer fiber is disperseed and soak into.
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| CN201010599844.4A CN102532645B (en) | 2010-12-17 | 2010-12-17 | Polyethylene-based composite barrier material and preparing method thereof |
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| CN201010599844.4A CN102532645B (en) | 2010-12-17 | 2010-12-17 | Polyethylene-based composite barrier material and preparing method thereof |
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| CN102532645A true CN102532645A (en) | 2012-07-04 |
| CN102532645B CN102532645B (en) | 2014-12-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756095A (en) * | 2014-01-15 | 2014-04-30 | 佛山市南方包装有限公司 | High-barrier colorful plastic product capable of retarding moisture and air |
| CN104098835A (en) * | 2014-06-27 | 2014-10-15 | 广东威林工程塑料有限公司 | PEN fiber-reinforced polypropylene heat-resisting material and preparation method thereof |
| CN106700445A (en) * | 2016-12-29 | 2017-05-24 | 桂林电器科学研究院有限公司 | High-temperature resistant polynaphthalene ester microporous diaphragm and preparation method thereof |
| CN109503926A (en) * | 2018-11-30 | 2019-03-22 | 厦门赢晟科技有限公司 | A kind of preparation method of composite barrier material |
| CN110938248A (en) * | 2019-12-16 | 2020-03-31 | 良和包装(浙江)有限公司 | High-barrier heat-resistant PE plastic bottle and preparation process thereof |
| CN112898768A (en) * | 2019-11-19 | 2021-06-04 | 上海龙程塑料制品有限公司 | High-performance barrier material and multilayer composite barrier structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1618853A (en) * | 2003-11-17 | 2005-05-25 | 上海杰事杰新材料股份有限公司 | Continuous high strength terylene fiber reinforced thermoplastic resin composite material |
| CN1694923A (en) * | 2002-09-20 | 2005-11-09 | 通用电气公司 | Underhood components |
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2010
- 2010-12-17 CN CN201010599844.4A patent/CN102532645B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1694923A (en) * | 2002-09-20 | 2005-11-09 | 通用电气公司 | Underhood components |
| CN1618853A (en) * | 2003-11-17 | 2005-05-25 | 上海杰事杰新材料股份有限公司 | Continuous high strength terylene fiber reinforced thermoplastic resin composite material |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756095A (en) * | 2014-01-15 | 2014-04-30 | 佛山市南方包装有限公司 | High-barrier colorful plastic product capable of retarding moisture and air |
| CN103756095B (en) * | 2014-01-15 | 2016-02-10 | 佛山市南方包装有限公司 | A kind of high-barrier color plastic products hindering dampness gas |
| CN104098835A (en) * | 2014-06-27 | 2014-10-15 | 广东威林工程塑料有限公司 | PEN fiber-reinforced polypropylene heat-resisting material and preparation method thereof |
| CN106700445A (en) * | 2016-12-29 | 2017-05-24 | 桂林电器科学研究院有限公司 | High-temperature resistant polynaphthalene ester microporous diaphragm and preparation method thereof |
| CN106700445B (en) * | 2016-12-29 | 2019-01-29 | 桂林电器科学研究院有限公司 | A kind of poly- naphthalene ester micro-pore septum of high temperature resistant and preparation method thereof |
| CN109503926A (en) * | 2018-11-30 | 2019-03-22 | 厦门赢晟科技有限公司 | A kind of preparation method of composite barrier material |
| CN112898768A (en) * | 2019-11-19 | 2021-06-04 | 上海龙程塑料制品有限公司 | High-performance barrier material and multilayer composite barrier structure |
| CN110938248A (en) * | 2019-12-16 | 2020-03-31 | 良和包装(浙江)有限公司 | High-barrier heat-resistant PE plastic bottle and preparation process thereof |
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| CN102532645B (en) | 2014-12-17 |
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