CN103467942A - PBT (polybutylene terephthalate) and PLA (polylactic acid) blend bioplastic - Google Patents
PBT (polybutylene terephthalate) and PLA (polylactic acid) blend bioplastic Download PDFInfo
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- CN103467942A CN103467942A CN2013103962901A CN201310396290A CN103467942A CN 103467942 A CN103467942 A CN 103467942A CN 2013103962901 A CN2013103962901 A CN 2013103962901A CN 201310396290 A CN201310396290 A CN 201310396290A CN 103467942 A CN103467942 A CN 103467942A
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Abstract
The invention discloses a PBT (polybutylene terephthalate) and PLA (polylactic acid) blend bioplastic which comprises the following components in parts by weight: 75-85 parts of PLA resin, 10-30 parts of PBT resin and 3-5 parts of compatibilizer. The PTB and PLA blend bioplastic has better heat resistance property and mechanical property. Due to the use of PLA, the use amount of petroleum-based macromolecules in the material can be reduced, and the emission quantity of carbon dioxide to the atmosphere in production wastes can be reduced.
Description
Technical field
The present invention relates to a kind of poly(lactic acid) biological plastics, relate in particular to the biological plastics of a kind of PBT and PLA blend.
Background technology
Poly(lactic acid), be called for short PLA, and No. CAS: 51063-13-9, also referred to as polylactide, belongs to polyester family.Poly(lactic acid) is to take the polymkeric substance that lactic acid obtains as the main raw material polymerization, and raw material sources fully and can regenerate.The production process of poly(lactic acid) is pollution-free, and product can biological degradation, realizes the circulation at occurring in nature, is therefore desirable Green Polymer Material.
But, because pure PLA resin crystallization velocity is slow, the moulded products shrinking percentage is large, poor dimensional stability, material own is crisp, and processing heat stability is poor etc., has limited its application as engineering plastics.
How the PLA resin is strengthened, become a new problem of the industry.
Summary of the invention
The biological plastics of a kind of PBT and PLA blend consists of by weight following component: PLA resin 75-85 part, PBT resin 10-30 part.
The biological plastics of a kind of PBT and PLA blend consists of by weight following component: PLA resin 75-85 part, PBT resin 10-30 part, compatilizer 3-5 part.
Described compatilizer is one or both in polycaprolactam and triphenyl phosphite.
Preferably, described compatilizer is comprised of following compositions in weight percentage: polycaprolactam 40-60% and triphenyl phosphite 40-60%.The two is uniformly mixed and makes described compatilizer.
The PBT resin, polybutylene terephthalate.To be formed by BDO and terephthalic acid or terephthalate polycondensation, and crystalline thermoplastic polyester's resin of making via mixing program.
Polycaprolactam, No. CAS: 25038-54-4.Triphenyl phosphite, No. CAS: 101-02-0.
Adopt industry universal method to be prepared, by PBT resin, PLA resin and compatilizer melt blending, extruding pelletization, obtain the biological plastics of PBT and PLA blend.
The biological plastics of PBT of the present invention and PLA blend, have thermotolerance and mechanical property preferably.Due to the use of PLA, reduced the consumption of material PetroChina Company Limited. based high molecular, reduce and produce while discarding to the airborne release amount of carbon dioxide.
Embodiment
The PLA resin is selected U.S. NatureWorks4032D poly(lactic acid).The PBT resin is selected the PBT resin of the basic trade mark VIC4350 of company of husky uncle.
Embodiment 1-2
By PBT resin, PLA resin and compatilizer melt blending, extruding pelletization, obtain the biological plastics of PBT and PLA blend.210 ℃ of extrusion temperatures, 210 ℃ of injecting forming temperatures.
Embodiment 3
Polycaprolactam and triphenyl phosphite are uniformly mixed, make compound compatilizer.
By PBT resin, PLA resin and compound compatilizer melt blending, extruding pelletization, obtain the biological plastics of PBT and PLA blend.210 ℃ of extrusion temperatures, 210 ℃ of injecting forming temperatures.
Proportioning raw materials list position: kilogram
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| The PLA resin | 80 | 80 | 80 |
| The PBT resin | 20 | 20 | 20 |
| Polycaprolactam | 4 | / | 2 |
| Triphenyl phosphite | / | 4 | 2 |
Test case
Embodiment 1-3 is carried out to performance test, and concrete data see the following form.
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Tensile strength, Mpa(standard: ASTM D638) | 74 | 76 | 79 |
| Thermotolerance, ℃ | 188 | 190 | 196 |
Stable on heating testing method: will be of a size of the injection molding PBT of 50mm * 10mm * 0.5mm and the biological plastics batten horizontal positioned of PLA blend, one end is fixed, one end freely, is placed 60 minutes corresponding oven temperature when the sagging 3mm of free end in baking oven at a certain temperature.
Claims (4)
1. the biological plastics of a PBT and PLA blend, is characterized in that, following component, consists of by weight: PLA resin 75-85 part, PBT resin 10-30 part.
2. the biological plastics of a PBT and PLA blend, is characterized in that, following component, consists of by weight: PLA resin 75-85 part, PBT resin 10-30 part, compatilizer 3-5 part.
3. the biological plastics of PBT as claimed in claim 2 and PLA blend, it is characterized in that: described compatilizer is one or both in polycaprolactam and triphenyl phosphite.
4. the biological plastics of PBT as claimed in claim 3 and PLA blend, is characterized in that, described compatilizer is comprised of following compositions in weight percentage: polycaprolactam 40-60% and triphenyl phosphite 40-60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310396290.1A CN103467942B (en) | 2013-09-04 | 2013-09-04 | The biological plastics that PBT and PLA is blended |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310396290.1A CN103467942B (en) | 2013-09-04 | 2013-09-04 | The biological plastics that PBT and PLA is blended |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103467942A true CN103467942A (en) | 2013-12-25 |
| CN103467942B CN103467942B (en) | 2016-06-08 |
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| CN201310396290.1A Active CN103467942B (en) | 2013-09-04 | 2013-09-04 | The biological plastics that PBT and PLA is blended |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385060A (en) * | 2018-11-15 | 2019-02-26 | 蚌埠星烁新材料科技有限公司 | A kind of degradable mulch |
| CN109438943A (en) * | 2018-11-15 | 2019-03-08 | 蚌埠星烁新材料科技有限公司 | A kind of preparation method of environmental protection agricultural mulching |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006036818A (en) * | 2004-07-22 | 2006-02-09 | Toyota Central Res & Dev Lab Inc | Polylactic acid resin composition, molding obtained from the same and method for producing the molding |
| CN102532833A (en) * | 2011-12-16 | 2012-07-04 | 奇瑞汽车股份有限公司 | Nanometer high polymer polylactic acid composite material and preparation method thereof |
-
2013
- 2013-09-04 CN CN201310396290.1A patent/CN103467942B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006036818A (en) * | 2004-07-22 | 2006-02-09 | Toyota Central Res & Dev Lab Inc | Polylactic acid resin composition, molding obtained from the same and method for producing the molding |
| CN102532833A (en) * | 2011-12-16 | 2012-07-04 | 奇瑞汽车股份有限公司 | Nanometer high polymer polylactic acid composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385060A (en) * | 2018-11-15 | 2019-02-26 | 蚌埠星烁新材料科技有限公司 | A kind of degradable mulch |
| CN109438943A (en) * | 2018-11-15 | 2019-03-08 | 蚌埠星烁新材料科技有限公司 | A kind of preparation method of environmental protection agricultural mulching |
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| Publication number | Publication date |
|---|---|
| CN103467942B (en) | 2016-06-08 |
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Inventor after: Cai Shaoyang Inventor after: Cai Yilin Inventor before: Ding Yonghua |
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Effective date of registration: 20170320 Address after: Chenghai District of Guangdong city of Shantou province Laimeilu 515800 South Union Industrial Park area D building A Patentee after: SHANTOU CHUNYE NEW MATERIAL ENVIRONMENTAL PROTECTION CO., LTD. Address before: 201107 Shanghai city Minhang District Minhang Road 88 Lane No. 1-30 building twenty-second room T157 Patentee before: Shanghai Yuemeng Environmental Protection Technology Co., Ltd. |