CN104140629B - A kind of preparation method of compound package material - Google Patents
A kind of preparation method of compound package material Download PDFInfo
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- CN104140629B CN104140629B CN201410282214.2A CN201410282214A CN104140629B CN 104140629 B CN104140629 B CN 104140629B CN 201410282214 A CN201410282214 A CN 201410282214A CN 104140629 B CN104140629 B CN 104140629B
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- temperature
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- package material
- molten mixture
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- 239000000463 material Substances 0.000 title claims abstract description 29
- 150000001875 compounds Chemical class 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000005022 packaging material Substances 0.000 claims abstract description 20
- -1 poly butylene succinate Polymers 0.000 claims abstract description 17
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 15
- 229920002961 Polybutylene succinate Polymers 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 15
- 239000004631 polybutylene succinate Substances 0.000 claims abstract description 15
- KQNPFQTWMSNSAP-UHFFFAOYSA-N Isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920001731 Polyprenol Polymers 0.000 claims abstract description 14
- NLHHRLWOUZZQLW-UHFFFAOYSA-N acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000002148 esters Chemical class 0.000 claims abstract description 14
- 150000003096 polyprenols Polymers 0.000 claims abstract description 14
- 238000003490 calendering Methods 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 15
- 230000029052 metamorphosis Effects 0.000 description 4
- 239000004698 Polyethylene (PE) Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Abstract
The present invention relates to the preparation method of a kind of compound package material, the preparation method of described compound package material comprises the following steps: (1) takes polybutadiene, acrylonitrile, polyprenol, it is heated to melting by polybutadiene, acrylonitrile, polyprenol, and carries out mechanical agitation to uniformly；(2) in the molten mixture of step (1), add poly butylene succinate, citric acid, the own ester of isopropylformic acid. again, poly butylene succinate, citric acid, the own ester of isopropylformic acid. are carried out high-temperature stirring again with the molten mixture in step (1)；(3) the molten mixture twin (double) screw extruder that step (2) obtains is extruded；(4), after extruding terminates, packaging material calender extruding obtained carries out calendering process, is compressed into as lamellar；(5) packaging material of lamellar are carried out hot-stretch process；(6) cut after stretching, for the compound package material prepared.
Description
Technical field
The invention belongs to polymeric material field, relate to the preparation method of a kind of compound package material.
Background technology
The use of the packaging material that polyethylene, polypropylene etc. are made is very frequent, is seen everywhere in life.These packaging material prepared by conventional macromolecular material have certain defect, such as its heat resistance is poor, can deform upon under the process by higher temperature, in addition to the resistance to elevated temperatures that it is poor, its break resistance is the most poor, and the situation of fracture can occur in the case of by bigger external force.
The existence of these problems is required for us and is further furtherd investigate packaging material, by the preparation technology of packaging material with prepare raw material and be changed improving the resistance to elevated temperatures of packaging material and the break resistance of preparation.
Summary of the invention
Solve the technical problem that: although conventional compound package material uses relatively broad, but they yet suffer from certain shortcoming, and its high-temperature resistant result is poor, and at high temperature its profile can change, and its elongation at break is relatively low simultaneously, and break resistance is poor.
Technical scheme: the invention discloses the preparation method of a kind of compound package material, the preparation method of described compound package material comprises the steps:
(1) take polybutadiene, acrylonitrile, polyprenol, be heated to melting by polybutadiene, acrylonitrile, polyprenol, and carry out mechanical agitation to uniformly；
(2) in the molten mixture of step (1), add poly butylene succinate, citric acid, the own ester of isopropylformic acid. again, poly butylene succinate, citric acid, the own ester of isopropylformic acid. are carried out high-temperature stirring again with the molten mixture in step (1)；
(3) being extruded by the molten mixture twin (double) screw extruder that step (2) obtains, the draw ratio of screw rod is 60:1～70:1；
(4), after extruding terminates, packaging material calender extruding obtained carries out calendering process, is compressed into as lamellar；
(5) packaging material of lamellar are carried out hot-stretch process；
(6) cut after stretching, for the compound package material prepared.
Preferably, the preparation method of described a kind of compound package material, comprise the steps:
(1) take polybutadiene be 9～15 parts, acrylonitrile be 6～8 parts, polyprenol be 5～9 parts, be heated to melting by polybutadiene, acrylonitrile, polyprenol, and carry out mechanical agitation to uniformly, temperature is 165～170 DEG C；
(2) add in the molten mixture of step (1) again poly butylene succinate be 4～8 parts, citric acid be 1～2 part, the own ester of isopropylformic acid. be 8～14 parts, with the molten mixture in step (1), poly butylene succinate, citric acid, the own ester of isopropylformic acid. are carried out high-temperature stirring again, and temperature is 190～200 DEG C；
(3) being extruded by the molten mixture twin (double) screw extruder that step (2) obtains, the draw ratio of screw rod is 60:1～70:1, and the first extrusion temperature is 170～185 DEG C, and the second extrusion temperature is 190～205 DEG C, and the 3rd extrusion temperature is 220～225 DEG C；
(4), after extruding terminates, packaging material calender extruding obtained carries out calendering process, is compressed into as lamellar；
(5) packaging material of lamellar carrying out hot-stretch process, hot-stretch treatment temperature is 140～150 DEG C；
(6) cut after stretching, for the compound package material prepared.
Preferably, the preparation method of described a kind of compound package material, described polybutadiene is 15 parts.
Preferably, the preparation method of described a kind of compound package material, described poly butylene succinate is 6～8 parts.
Preferably, the preparation method of described a kind of compound package material, described hot-stretch treatment temperature is 150 DEG C.
Beneficial effect: determine high-temperature resistant result and the elongation at break of the compound package material that the inventive method prepares, by the composition of packaging material and preparation technology are optimized, it is provided with higher resistance to elevated temperatures and elongation at break, the compound package material of the present invention heats after 5h without metamorphosis at 80 DEG C to 90 DEG C, and the elongation at break of the compound package material of the present invention is 224% to 248%.
Detailed description of the invention
Embodiment 1
(1) take polybutadiene be 9kg, acrylonitrile be 8kg, polyprenol be 7kg, be heated to melting by polybutadiene, acrylonitrile, polyprenol, and carry out mechanical agitation to uniformly, temperature is 170 DEG C；
(2) again in the molten mixture of step (1) add poly butylene succinate be 8kg, citric acid be 2kg, the own ester of isopropylformic acid. be 8kg, with the molten mixture in step (1), poly butylene succinate, citric acid, the own ester of isopropylformic acid. are carried out high-temperature stirring again, and temperature is 190 DEG C；
(3) being extruded by the molten mixture twin (double) screw extruder that step (2) obtains, the draw ratio of screw rod is 70:1, and the first extrusion temperature is 170 DEG C, and the second extrusion temperature is 190 DEG C, and the 3rd extrusion temperature is 225 DEG C；
(4), after extruding terminates, packaging material calender extruding obtained carries out calendering process, is compressed into as lamellar；
(5) packaging material of lamellar carrying out hot-stretch process, hot-stretch treatment temperature is 150 DEG C；
(6) cut after stretching, for the compound package material prepared.
The compound package material of embodiment 1 heats after 5h without metamorphosis at 80 DEG C, and its elongation at break is 233%.
Embodiment 2
(1) take polybutadiene be 13kg, acrylonitrile be 6kg, polyprenol be 5kg, be heated to melting by polybutadiene, acrylonitrile, polyprenol, and carry out mechanical agitation to uniformly, temperature is 165 DEG C；
(2) again in the molten mixture of step (1) add poly butylene succinate be 4kg, citric acid be 2kg, the own ester of isopropylformic acid. be 14kg, with the molten mixture in step (1), poly butylene succinate, citric acid, the own ester of isopropylformic acid. are carried out high-temperature stirring again, and temperature is 195 DEG C；
(3) being extruded by the molten mixture twin (double) screw extruder that step (2) obtains, the draw ratio of screw rod is 60:1, and the first extrusion temperature is 180 DEG C, and the second extrusion temperature is 195 DEG C, and the 3rd extrusion temperature is 220 DEG C；
(4), after extruding terminates, packaging material calender extruding obtained carries out calendering process, is compressed into as lamellar；
(5) packaging material of lamellar carrying out hot-stretch process, hot-stretch treatment temperature is 140 DEG C；
(6) cut after stretching, for the compound package material prepared.
The compound package material of embodiment 2 heats after 5h without metamorphosis at 90 DEG C, and its elongation at break is 224%.
Embodiment 3
(1) take polybutadiene be 15kg, acrylonitrile be 7kg, polyprenol be 9kg, be heated to melting by polybutadiene, acrylonitrile, polyprenol, and carry out mechanical agitation to uniformly, temperature is 170 DEG C；
(2) again in the molten mixture of step (1) add poly butylene succinate be 6kg, citric acid be 1kg, the own ester of isopropylformic acid. be 11kg, with the molten mixture in step (1), poly butylene succinate, citric acid, the own ester of isopropylformic acid. are carried out high-temperature stirring again, and temperature is 200 DEG C；
(3) being extruded by the molten mixture twin (double) screw extruder that step (2) obtains, the draw ratio of screw rod is 70:1, and the first extrusion temperature is 185 DEG C, and the second extrusion temperature is 205 DEG C, and the 3rd extrusion temperature is 225 DEG C；
(4), after extruding terminates, packaging material calender extruding obtained carries out calendering process, is compressed into as lamellar；
(5) packaging material of lamellar carrying out hot-stretch process, hot-stretch treatment temperature is 150 DEG C；
(6) cut after stretching, for the compound package material prepared.
The compound package material of embodiment 3 heats after 5h without metamorphosis at 85 DEG C, and its elongation at break is 248%.
Claims (1)
1. the preparation method of a compound package material, it is characterised in that the preparation method of described compound package material comprises the steps:
(1) take polybutadiene be 15 parts, acrylonitrile be 6～8 parts, polyprenol be 5～9 parts, be heated to melting by polybutadiene, acrylonitrile, polyprenol, and carry out mechanical agitation to uniformly, temperature is 165～170 DEG C；
(2) add in the molten mixture of step (1) again poly butylene succinate be 6～8 parts, citric acid be 1～2 part, the own ester of isopropylformic acid. be 8～14 parts, with the molten mixture in step (1), poly butylene succinate, citric acid, the own ester of isopropylformic acid. are carried out high-temperature stirring again, and temperature is 190～200 DEG C；
(3) being extruded by the molten mixture twin (double) screw extruder that step (2) obtains, the draw ratio of screw rod is 60:1～70:1, and the first extrusion temperature is 170～185 DEG C, and the second extrusion temperature is 190～205 DEG C, and the 3rd extrusion temperature is 220～225 DEG C；
(4), after extruding terminates, packaging material calender extruding obtained carries out calendering process, is compressed into as lamellar；
(5) packaging material of lamellar carrying out hot-stretch process, hot-stretch treatment temperature is 150 DEG C；
(6) cut after stretching, for the compound package material prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410282214.2A CN104140629B (en) | 2014-06-23 | A kind of preparation method of compound package material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410282214.2A CN104140629B (en) | 2014-06-23 | A kind of preparation method of compound package material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104140629A CN104140629A (en) | 2014-11-12 |
| CN104140629B true CN104140629B (en) | 2016-11-30 |
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Non-Patent Citations (2)
| Title |
|---|
| 崔春娜 等."聚丁二酸丁二醇酯的研究与应用进展".《包装工程》.2012,第33卷(第5期),126-131页. * |
| 王维."液体聚丁二烯在橡胶加工、树脂、电子及电力工业中的应用".《弹性体》.2000,第10卷(第1期),30-34页. * |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160822 Address after: 266045 Shandong province Qingdao City, Zhengzhou Road No. 43 building 130 room A Applicant after: Qingdao Rubber Valley Intellectual Property Co.,Ltd. Address before: Suzhou City, Jiangsu province 215000 Suzhou high tech Industrial Development Zone Xuguan Industrial Park Hu Yang Road No. 26 Applicant before: Suzhou Shengbaiwei Package Equipment Co., Ltd. |
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| CB03 | Change of inventor or designer information |
Inventor after: Cai Hongbo Inventor before: Zhang Taiyuan |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20160926 Address after: 266199 No. 17, Tongchuan Road, Licang District, Shandong, Qingdao Applicant after: Qingdao Zhi Kai Xin Materials Co., Ltd. Address before: 266045 Shandong province Qingdao City, Zhengzhou Road No. 43 building 130 room A Applicant before: Qingdao Rubber Valley Intellectual Property Co.,Ltd. |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170623 |