CN103554523A - Method for dissolving polyolefin by use of green renewable solvent - Google Patents
Method for dissolving polyolefin by use of green renewable solvent Download PDFInfo
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- CN103554523A CN103554523A CN201310507321.6A CN201310507321A CN103554523A CN 103554523 A CN103554523 A CN 103554523A CN 201310507321 A CN201310507321 A CN 201310507321A CN 103554523 A CN103554523 A CN 103554523A
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Abstract
The invention discloses a method for dissolving polyolefin by use of a green renewable solvent. The method comprises the following steps: adding polyolefin into animal/plant oil or a hydrogenated product thereof; and heating to realize dissolution of the polyolefin, wherein the animal/plant oil is lard oil, butter, gutter oil, mutton fat, peanut oil, fish oil, dolphin oil, soybean oil, rapeseed oil, peanut oil, cottonseed oil, olive oil, palm oil, camellia oil, corn oil, sunflower oil or sesame oil. According to the method disclosed by the invention, the petrochemical product is replaced or partially replaced by a renewable resource, the polyolefin resin is dissolved by use of the green renewable solvent, and dependency on the petrochemical product is reduced in a production process of the polyolefin product, thus the cost is reduced and the method is environment-friendly.
Description
Technical field
The present invention relates to a kind ofly utilize green renewable solvent to dissolve polyolefinic method.
Background technology
Polyolefine is the general name of the analog thermoplastic resin that obtained by the alpha-olefins such as ethene, propylene, 1-butylene, 1-amylene, 1-hexene, 1-octene and some cycloolefin homopolymerization or copolymerization, as the multipolymer of polyethylene, polypropylene, ethylene-vinyl acetate copolymer, ethylene-acrylic acid or acrylate, poly 1-butene, poly(4-methyl-1-pentene), cyclic olefin polymer etc., wherein polyethylene, polypropylene production maximum, most widely used.Polyolefin resin is the main products of petrochemical complex, there is the characteristics such as price is low, moulding process simple, excellent product performance, as little in relative density, chemical proofing is good, water-tolerant, good mechanical property, electrical isolation etc., can make film, fiber, tubing, sheet material and other goods, in all trades and professions, play an important role.
The techniques such as existing polyolefine material moulding mainly adopts compacting sintering, extrudes, injection moulding, blowing, dissolving-reshaping, by dissolving-reshaping technique, be wherein one of main technique of preparing high performance material, existing solvent all comes from petrochemicals, the high and not environmental protection of price.
Summary of the invention
The object of this invention is to provide and a kind ofly utilize green renewable solvent to dissolve polyolefinic method, the solvent main part of using is to come from nature, reproducible green and environment-friendly solvent.
The green renewable solvent of utilization provided by the present invention dissolves polyolefinic method, comprises the steps:
Polyolefine is added in the product after animal-plant oil or its hydrogenation, through heating, realizes described polyolefinic dissolving;
Described animal-plant oil can be lard, butter, sewer oil, sheep oil, peanut oil, fish oil, porpoise oil, soya-bean oil, rapeseed oil, peanut oil, Oleum Gossypii semen, sweet oil, plam oil, Camellia oil, Semen Maydis oil, sunflower oil or sesame wet goods.
In above-mentioned method, described polyolefine can be multipolymer or the homopolymer of ethene, propylene, vinyl acetate between to for plastic, 1-butylene-4-methyl-1-pentene or cycloolefin etc.
In above-mentioned method, described polyolefinic molecular-weight average can be 1～1,500 ten thousand.
In above-mentioned method, the temperature of described heating can be 80 ℃～280 ℃, specifically can be 100 ℃～160 ℃, 140 ℃, 150 ℃, 155 ℃, 160 ℃, 165 ℃ or 180 ℃.
In above-mentioned method, in the mixture of the product after described polyolefine and described animal-plant oil or its hydrogenation, described polyolefinic quality percentage composition can be 0.1%～100%, but is not 100%, specifically can be 2%～20%, 2%, 3%, 5%, 10%, 12%, 13% or 20%.
In above-mentioned method, described dissolving also comprises that described organic solvent can be hexanaphthene, CCl to the step that adds organic solvent in described polyolefine
4, benzene,toluene,xylene, phenol, trieline, N, accelerine, tetrahydrofuran (THF), 1,1,1-trichloroethane, hexalin, normal hexane, propyl carbinol, pimelinketone, Virahol, normal heptane, N, one or more in dinethylformamide, N,N-dimethylacetamide, N-METHYLFORMAMIDE, white oil, paraffin, kerosene, alkene mineral oil and perhydronaphthalene.
The present invention also provides the application in dissolving polyolefine of product after animal-plant oil or its hydrogenation;
Described animal-plant oil can be lard, butter, sewer oil, sheep oil, peanut oil, fish oil, porpoise oil, soya-bean oil, rapeseed oil, peanut oil, Oleum Gossypii semen, sweet oil, plam oil, Camellia oil, Semen Maydis oil, sunflower oil or sesame oil;
Described polyolefine can be multipolymer or the homopolymer of ethene, propylene, vinyl acetate between to for plastic, 1-butylene-4-methyl-1-pentene and cycloolefin.
The present invention has the following advantages:
The present invention utilizes renewable resources to substitute or part petroleum replacing Chemicals, utilizes green renewable solvent to dissolve polyolefin resin, has reduced in polyolefin products production process the dependence for petrochemicals, thereby has reduced cost and environmental protection.
Embodiment
The experimental technique using in following embodiment if no special instructions, is ordinary method.
In following embodiment, material used, reagent etc., if no special instructions, all can obtain from commercial channels.
Embodiment 1, polyacrylic dissolving
In the present embodiment, the polyacrylic mass content of interpolation is 20%, changes polyacrylic molecular weight and carries out following 5 groups of parallel laboratory tests:
(1) being averaged molecular weight is 100,000 acrylic resin 20g, adds 80g peanut oil, and polyacrylic content is 20%, at 140 ℃, dissolves, and 30min has dissolved.
(2) being averaged molecular weight is 200,000 acrylic resin 20g, adds 80g peanut oil, and polyacrylic content is 20%, at 140 ℃, dissolves, and 40min has dissolved.
(3) being averaged molecular weight is 500,000 acrylic resin 20g, adds 80g peanut oil, and polyacrylic content is 20%, at 140 ℃, dissolves, and 50min has dissolved.
(4) be averaged the acrylic resin 20g that molecular weight is 60-100 ten thousand, add 80g peanut oil, polyacrylic content is 20%, at 150 ℃, dissolves, and 50min has dissolved.
(5) be averaged the acrylic resin 20g that molecular weight is 100-300 ten thousand, add 80g peanut oil, polyacrylic content is 20%, at 160 ℃, dissolves, and 50min has dissolved.
Embodiment 2, polyacrylic dissolving
In the present embodiment, the polyacrylic mass content of interpolation is 10%, changes polyacrylic molecular weight and carries out following 5 groups of parallel laboratory tests:
(1) being averaged molecular weight is 100,000 acrylic resin 10g, adds 90g peanut oil, and polyacrylic content is 10%, at 140 ℃, dissolves, and 30min has dissolved.
(2) being averaged molecular weight is 200,000 acrylic resin 10g, adds 90g peanut oil, and polyacrylic content is 10%, at 140 ℃, dissolves, and 40min has dissolved.
(3) being averaged molecular weight is 500,000 acrylic resin 10g, adds 90g peanut oil, and polyacrylic content is 10%, at 140 ℃, dissolves, and 50min has dissolved.
(4) be averaged the acrylic resin 10g that molecular weight is 60-100 ten thousand, add 90g peanut oil, polyacrylic content is 10%, at 150 ℃, dissolves, and 30min has dissolved.
(5) be averaged the acrylic resin 10g that molecular weight is 100-300 ten thousand, add 90g peanut oil, polyacrylic content is 10%, at 160 ℃, dissolves, and 55min has dissolved.
Embodiment 3, poly dissolving
In the present embodiment, change poly molecular weight and addition, carry out following 5 groups of parallel laboratory tests:
(1) be averaged the polyvinyl resin 8g that molecular weight is 20-50 ten thousand, add 92g sweet oil, poly content is 8%, at 150 ℃, dissolves, and 35min has dissolved.
(2) be averaged the polyvinyl resin 5g that molecular weight is 50-100 ten thousand, add 95g sweet oil, poly content is 5%, at 150 ℃, dissolves, and 40min has dissolved.
(3) be averaged the polyvinyl resin 15g that molecular weight is 100-300 ten thousand, add 85g refiltered oil, poly content is 15%, at 155 ℃, dissolves, and 50min has dissolved.
(4) be averaged the polyvinyl resin 2g that molecular weight is 300-500 ten thousand, add 98g sweet oil, poly content is 2%, at 155 ℃, dissolves, and 50min has dissolved.
(5) be averaged the polyvinyl resin 12g that molecular weight is 500-800 ten thousand, add 88g sweet oil, poly content is 12%, at 180 ℃, dissolves, and 50min has dissolved.
Embodiment 4, poly dissolving
In the present embodiment, change poly molecular weight and addition, carry out following 5 groups of parallel laboratory tests:
(1) be averaged the polyvinyl resin 15g that molecular weight is 10-30 ten thousand, add 85g sweet oil, poly content is 15%, at 150 ℃, dissolves, and 35min has dissolved.
(2) be averaged the polyvinyl resin 15g that molecular weight is 70-130 ten thousand, add 85g sweet oil, poly content is 15%, at 150 ℃, dissolves, and 40min has dissolved.
(3) be averaged the acrylic resin 15g that molecular weight is 100-300 ten thousand, add 85g sweet oil, poly content is 15%, at 155 ℃, dissolves, and 50min has dissolved.
(4) be averaged polyvinyl resin 4～18g that molecular weight is 300-500 ten thousand, add 82g sweet oil, poly content is 18%, at 165 ℃, dissolves, and 50min has dissolved.
(5) be averaged the polyvinyl resin 3g that molecular weight is 500-800 ten thousand, add 97g sweet oil, poly content is 3%, at 160 ℃, dissolves, and 50min has dissolved.
Embodiment 5, polyacrylic dissolving
In the present embodiment, change polyacrylic molecular weight and addition, with mixed solvent, carry out following 6 groups of parallel laboratory tests:
(1) be averaged the acrylic resin 15g that molecular weight is 20-50 ten thousand, add 75g sweet oil and 10g soya-bean oil, polyacrylic content is 15%, at 150 ℃, dissolves, and 35min has dissolved.
(2) be averaged the acrylic resin 10g that molecular weight is 50-100 ten thousand, add the mixture (mass ratio is 1:1) of 85～90g sweet oil and soybean oil, polyacrylic content is 10%, at 150 ℃, dissolves, and 40min has dissolved.
(3) be averaged the acrylic resin 15g that molecular weight is 100-300 ten thousand, add the mixture (mass ratio is 2:1) of 85g sweet oil and hexanaphthene, polyacrylic content is 15%, at 155 ℃, dissolves, and 50min has dissolved.
(4) be averaged the acrylic resin 5g that molecular weight is 300-500 ten thousand, add the mixture (mass ratio is 1:1) of 95g sweet oil and pimelinketone, polyacrylic content is 5%, at 150 ℃, dissolves, and 50min has dissolved.
(5) be averaged the acrylic resin 15g that molecular weight is 500-800 ten thousand, add the mixture (mass ratio is 1:1) of 85g sweet oil and pimelinketone, polyacrylic content is 15%, at 160 ℃, dissolves, and 50min has dissolved.
(6) being averaged molecular weight is 400,000 acrylic resin 12g, adds the mixture (mass ratio is 1:2) of 88g soya-bean oil and sherwood oil, and polyacrylic content is 12%, at 150 ℃, dissolves, and 35min has dissolved.
Embodiment 6, poly dissolving
In the present embodiment, change poly molecular weight and addition, with mixed solvent, carry out following 3 groups of parallel laboratory tests:
(1) being averaged molecular weight is 3,000,000 polyvinyl resin 5g, adds 95g plam oil and sherwood oil (120～260 ℃ of boiling points) (mass ratio is 3:1), and poly content is 5%, at 160 ℃, dissolves, and 40min has dissolved.
(2) being averaged molecular weight is 5,000,000 polyvinyl resin 3g, adds 97g plam oil and sherwood oil (120～260 ℃ of boiling points) (mass ratio is 1:3), and poly content is 3%, at 160 ℃, dissolves, and 50min has dissolved.
(3) being averaged molecular weight is 8,000,000 polyvinyl resin 5g, adds 60g plam oil and 25g refiltered oil, and poly content is 5%, at 155 ℃, dissolves, and 40min has dissolved.
Claims (7)
1. utilize green renewable solvent to dissolve a polyolefinic method, comprise the steps:
Polyolefine is added in the product after animal-plant oil or its hydrogenation, through heating, realizes described polyolefinic dissolving;
Described animal-plant oil is lard, butter, sewer oil, sheep oil, peanut oil, fish oil, porpoise oil, soya-bean oil, rapeseed oil, peanut oil, Oleum Gossypii semen, sweet oil, plam oil, Camellia oil, Semen Maydis oil, sunflower oil or sesame oil.
2. method according to claim 1, is characterized in that: described polyolefine is multipolymer or the homopolymer of ethene, propylene, vinyl acetate between to for plastic, 1-butylene-4-methyl-1-pentene or cycloolefin.
3. method according to claim 1 and 2, is characterized in that: described polyolefinic molecular-weight average is 1～1,500 ten thousand.
4. according to the method described in any one in claim 1-3, it is characterized in that: the temperature of described heating is 80 ℃～280 ℃.
5. according to the method described in any one in claim 1-4, it is characterized in that: in the mixture of the product after described polyolefine and described animal-plant oil or its hydrogenation, described polyolefinic quality percentage composition is 0.1%～100%, but is not 100%.
6. according to the method described in any one in claim 1-5, it is characterized in that: described dissolving also comprises that described organic solvent is hexanaphthene, CCl to the step that adds organic solvent in described polyolefine
4, benzene,toluene,xylene, phenol, trieline, N, accelerine, tetrahydrofuran (THF), 1,1,1-trichloroethane, hexalin, normal hexane, propyl carbinol, pimelinketone, Virahol, normal heptane, N, one or more in dinethylformamide, N,N-dimethylacetamide, N-METHYLFORMAMIDE, white oil, paraffin, kerosene, alkene mineral oil and perhydronaphthalene.
7. the application of the product after animal-plant oil or its hydrogenation in dissolving polyolefine;
Described animal-plant oil is lard, butter, sewer oil, sheep oil, peanut oil, fish oil, porpoise oil, soya-bean oil, rapeseed oil, peanut oil, Oleum Gossypii semen, sweet oil, plam oil, Camellia oil, Semen Maydis oil, sunflower oil or sesame oil;
Described polyolefine is multipolymer or the homopolymer of ethene, propylene, vinyl acetate between to for plastic, 1-butylene-4-methyl-1-pentene and cycloolefin.
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| CN201310507321.6A CN103554523A (en) | 2013-10-24 | 2013-10-24 | Method for dissolving polyolefin by use of green renewable solvent |
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| CN201310507321.6A CN103554523A (en) | 2013-10-24 | 2013-10-24 | Method for dissolving polyolefin by use of green renewable solvent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106164163A (en) * | 2014-03-05 | 2016-11-23 | 苏黎世联邦理工学院 | Polymer composition and its processing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030595A (en) * | 1987-07-11 | 1989-01-25 | 吉武伸一 | The nonpoisonous packing film of used for packing foods |
| CN1226574A (en) * | 1998-02-20 | 1999-08-25 | 李汴生 | Method for treating polystyrene foamed plastics |
| JP2004035775A (en) * | 2002-07-04 | 2004-02-05 | Idemitsu Petrochem Co Ltd | Aromatic vinyl resin composition |
| CN1631943A (en) * | 2004-11-29 | 2005-06-29 | 北京特斯顿新材料技术发展有限公司 | Method for continuous preparation and mixture of super high molecular polyethylene solution |
-
2013
- 2013-10-24 CN CN201310507321.6A patent/CN103554523A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030595A (en) * | 1987-07-11 | 1989-01-25 | 吉武伸一 | The nonpoisonous packing film of used for packing foods |
| CN1226574A (en) * | 1998-02-20 | 1999-08-25 | 李汴生 | Method for treating polystyrene foamed plastics |
| JP2004035775A (en) * | 2002-07-04 | 2004-02-05 | Idemitsu Petrochem Co Ltd | Aromatic vinyl resin composition |
| CN1631943A (en) * | 2004-11-29 | 2005-06-29 | 北京特斯顿新材料技术发展有限公司 | Method for continuous preparation and mixture of super high molecular polyethylene solution |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106164163A (en) * | 2014-03-05 | 2016-11-23 | 苏黎世联邦理工学院 | Polymer composition and its processing |
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Application publication date: 20140205 |