KR20230064089A - Biomass plastic composite and its manufacturing method - Google Patents
Biomass plastic composite and its manufacturing method Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 229920003023 plastic Polymers 0.000 title claims abstract description 23
- 239000004033 plastic Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000002028 Biomass Substances 0.000 title description 2
- 229920000704 biodegradable plastic Polymers 0.000 claims abstract description 46
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 21
- 239000004626 polylactic acid Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 239000004014 plasticizer Substances 0.000 claims abstract description 12
- 230000007062 hydrolysis Effects 0.000 claims abstract description 10
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 10
- 239000003112 inhibitor Substances 0.000 claims abstract description 10
- -1 polybutylene succinate Polymers 0.000 claims description 19
- 239000004629 polybutylene adipate terephthalate Substances 0.000 claims description 12
- 229920000098 polyolefin Polymers 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 229920002961 polybutylene succinate Polymers 0.000 claims description 8
- 239000004631 polybutylene succinate Substances 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000004898 kneading Methods 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000007822 coupling agent Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
Description
본 발명은 폴리젖산에 폴리올레핀 또는 생분해성 플라스틱을 배합한 바이오 플라스틱 복합재에 관한 것으로 특히 대량의 생분해성 플라스틱이 배합된 바이오 플라스틱 복합재로서, 성형성, 내열성, 강도 등이 개량된 바이오 플라스틱 복합재의 제공에 관한 것이다.The present invention relates to a bioplastic composite in which polyolefin or biodegradable plastic is blended with polylactic acid, and in particular, a bioplastic composite in which a large amount of biodegradable plastic is blended, to provide a bioplastic composite with improved formability, heat resistance, strength, etc. it's about
환경보전의 관점에서 폴리젖산, 변성 전분 수지, 지방족 폴리에스테르 등의 생분해성 플라스틱의 이용이 적극적으로 이루어지고 있으나, 생분해성 플라스틱은 일반적으로 그 자체의 기계적 강도, 내열성, 성형 가공성이 나쁘므로 물성 향상과 경제성 개선이 중요하다.From the viewpoint of environmental preservation, the use of biodegradable plastics such as polylactic acid, modified starch resins, and aliphatic polyesters is being actively pursued. and economic improvement are important.
따라서, 생분해성 플라스틱에 폐지 등의 셀룰로스 섬유를 배합하여 생분해성 플라스틱의 내충격성, 강성 등의 기계 강도나 내열성, 치수 안정성 등의 물리 특성을 보강하고 아울러 생분해성 향상과 경제성 효과를 향상시키는 복합재의 개발이 이루어지고 있다. 그러나 성형품은 정밀 가공이 어렵거나 성형품의 표면 상태가 나쁘거나 하는 문제가 발생하고 있으며, 상기 생분해성 플라스틱 복합재의 상기 문제를 해결하기 위해, 가교제나 윤활제 등의 첨가제의 병용이 필요하게 되어 있고 종래 이러한 목적을 위해 이소시아네이트계 수지나 유기 퍼옥사이드 등의 가교제나 실란, 티타네이트, 알루미네이트 등의 커플링제의 검토도 시도되고 있다.Therefore, biodegradable plastics are mixed with cellulose fibers such as waste paper to reinforce physical properties such as mechanical strength, heat resistance, and dimensional stability of biodegradable plastics such as impact resistance and rigidity, and to improve biodegradability and economic effects. development is taking place. However, molded products have problems in that precision processing is difficult or the surface condition of molded products is poor. For this purpose, crosslinking agents such as isocyanate-based resins and organic peroxides, and coupling agents such as silanes, titanates, and aluminates have also been tried.
특허문헌 1은 폴리젖산과 천연 섬유에 실란 커플링제를 배합하는 기술이 개시되어 있고, 특허문헌 2는 열가소성 수지와 전분질계 재료에 티타네이트, 실란, 알루미네이트계 커플링제를 배합하는 재료의 개발이 개시되어 있다. Patent Document 1 discloses a technique of blending a silane coupling agent with polylactic acid and natural fibers, and Patent Document 2 discloses a material for blending a titanate, silane, and aluminate-based coupling agent with a thermoplastic resin and a starch-based material. has been initiated.
그러나 종래 일반적으로 사용되는 이들 커플링제는 티타늄, 실리콘, 알루미늄 등의 금속 원자상에 유기 작용기와 알콕시기와 같은 가수분해기를 가지고 있고 유기 작용기가 매트릭스와 상용화해, 가수분해기가 가수분해해 첨가제 표면과 화학 결합하여 복합제 조성물을 커플링시키는 것이나 가공성에 문제가 있다.However, these conventionally commonly used coupling agents have an organic functional group and a hydrolyzing group such as an alkoxy group on metal atoms such as titanium, silicon, and aluminum. There is a problem with coupling and processability to couple the composite composition.
본 발명은 플라스틱 등이 배합된 생분해성 플라스틱 복합재, 특히 대량의 플라스틱 분말이 배합된 생분해성 플라스틱 복합재에서 볼 수 있는 상기와 같은 다양한 문제점을 해소하여 성형품 전체가 생분해성을 갖는 바이오 플라스틱 제품을 제공하는 데 있다.The present invention provides a bioplastic product in which the entire molded article has biodegradability by solving the above various problems found in biodegradable plastic composites in which plastics are mixed, especially biodegradable plastic composites in which a large amount of plastic powder is mixed. there is
상기 문제점을 해결하기 위해 본 발명은 폴리젖산과 플라스틱과의 혼합물 100 중량부에 대해 상용화제 1.5~7.5 중량부와 가소제 0.5~3.0 중량부와 가수분해 억제제 0.25~1.5 중량부가 혼합된 바이오 플라스틱 복합재를 제공한다.In order to solve the above problems, the present invention is a bioplastic composite in which 1.5 to 7.5 parts by weight of a compatibilizer, 0.5 to 3.0 parts by weight of a plasticizer, and 0.25 to 1.5 parts by weight of a hydrolysis inhibitor are mixed with respect to 100 parts by weight of a mixture of polylactic acid and plastic. to provide.
본 발명을 통해 기계 강도나 내열성 등의 물리 특성이 우수하고, 강인하고 성형 가공성이 풍부한 품질의 우수한 바이오 플라스틱 복합재를 제공할 수 있다.According to the present invention, it is possible to provide an excellent quality bioplastic composite material having excellent physical properties such as mechanical strength and heat resistance, being strong and having abundant molding processability.
또한 원료 모두 바이오매스의 플라스틱을 사용함으로써, 탄소 중립이 가능하고, 폐기 소각 시에 발생하는 탄산가스의 발생량을 감소시킬 수 있어 환경보전에 기여할 수 있다.In addition, by using biomass plastic for all raw materials, carbon neutrality is possible, and the amount of carbon dioxide generated during waste incineration can be reduced, thereby contributing to environmental conservation.
본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다. 따라서 본 명세서에 기재된 실시 예는 본 발명의 가장 바람직한 일 실시 예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형 예들이 있을 수 있음을 이해하여야 한다.The terms or words used in this specification and claims should not be construed as being limited to ordinary or dictionary meanings, and the inventors may appropriately define the concept of terms in order to explain their invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that there is. Therefore, since the embodiments described in this specification are only the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, there are various equivalents and modifications that can replace them at the time of this application. You need to understand that you can.
본 발명은 폴리젖산과 플라스틱과의 혼합물 100 중량부에 대해 상용화제 1.5~7.5 중량부와 가소제 0.5~3.0 중량부와 가수분해 억제제 0.25~1.5 중량부가 혼합된 바이오 플라스틱 복합재를 제공한다.The present invention provides a bioplastic composite in which 1.5 to 7.5 parts by weight of a compatibilizer, 0.5 to 3.0 parts by weight of a plasticizer, and 0.25 to 1.5 parts by weight of a hydrolysis inhibitor are mixed with respect to 100 parts by weight of a mixture of polylactic acid and plastic.
또한, 폴리젖산:플라스틱=45~15:55~85(중량비)의 혼합물 100 중량부에 대해 상용화제 2.0~5.0 중량부와 결정화 촉진제 0.5~2.0 중량부와 가수분해 억제제 0.25~1.0 중량부가 혼합된 바이오 플라스틱 복합재를 제공할 수 있다.In addition, 2.0 to 5.0 parts by weight of a compatibilizer, 0.5 to 2.0 parts by weight of a crystallization promoter and 0.25 to 1.0 parts by weight of a hydrolysis inhibitor are mixed with respect to 100 parts by weight of a mixture of polylactic acid: plastic = 45 to 15:55 to 85 (weight ratio). Bioplastic composites can be provided.
또한, 상기 플라스틱이 폴리올레핀일 수 있다.Also, the plastic may be polyolefin.
또한, 상기 플라스틱이 생분해성 폴리부틸렌석시네이트(PBS)일 수 있다.In addition, the plastic may be biodegradable polybutylene succinate (PBS).
또한, 상기 상용화제가 무수 카르복실산 변성 폴리올레핀일 수 있다.In addition, the compatibilizing agent may be an anhydride carboxylic acid-modified polyolefin.
또한, 상기 상용화제가 무수말레산 변성 폴리프로필렌일 수 있다.In addition, the compatibilizer may be maleic anhydride-modified polypropylene.
또한, 폴리젖산과 플라스틱과의 혼합물 100 중량부에 대해 상용화제 1.5~7.5 중량부와 가소제 0.5~3.0 중량부와 가수분해 억제제 0.25~1.5 중량부를 첨가하고 190℃ 이하에서 혼련하는 것을 특징으로 하는 바이오 플라스틱 복합재 제조 방법을 제공할 수 있다.In addition, 1.5 to 7.5 parts by weight of a compatibilizer, 0.5 to 3.0 parts by weight of a plasticizer, and 0.25 to 1.5 parts by weight of a hydrolysis inhibitor are added to 100 parts by weight of a mixture of polylactic acid and plastic, and kneaded at 190 ° C or lower. A method for manufacturing a plastic composite material may be provided.
또한, 폴리젖산:플라스틱=45~15:55~85(중량비)의 혼합물 100 중량부에 대해 상용화제 2.0~5.0 중량부와 가소제 0.5~3.0 중량부와 결정화 촉진제 0.5~2.0 중량부와 가수분해 억제제 0.25~1.0 중량부를 첨가하고 190℃ 이하에서 혼련하는 것을 특징으로 하는 바이오 플라스틱 복합재 제조 방법을 제공할 수 있다.In addition, 2.0 to 5.0 parts by weight of a compatibilizer, 0.5 to 3.0 parts by weight of a plasticizer, 0.5 to 2.0 parts by weight of a crystallization promoter and a hydrolysis inhibitor based on 100 parts by weight of a mixture of polylactic acid: plastic = 45 to 15:55 to 85 (weight ratio) It is possible to provide a bioplastic composite manufacturing method characterized by adding 0.25 to 1.0 parts by weight and kneading at 190 ° C or less.
또한, 상기 플라스틱이 폴리올레핀일 수 있다.Also, the plastic may be polyolefin.
또한, 상기 플라스틱이 생분해성 폴리부틸렌석시네이트(PBS)일 수 있다.In addition, the plastic may be biodegradable polybutylene succinate (PBS).
또한, 상기 상용화제가 무수 카르복실산 변성 폴리올레핀일 수 있다.In addition, the compatibilizing agent may be an anhydride carboxylic acid-modified polyolefin.
또한, 상기 상용화제가 무수말레산 변성 폴리프로필렌일 수 있다.In addition, the compatibilizer may be maleic anhydride-modified polypropylene.
또한, 폴리젖산과 방향족 유닛을 가지는 생분해성 플라스틱과의 혼합물 100 중량부에 대해 상용화제 1.5~7.5 중량부가 혼합된 바이오 플라스틱 복합재를 제공할 수 있다.In addition, a bioplastic composite material in which 1.5 to 7.5 parts by weight of a compatibilizer is mixed with respect to 100 parts by weight of a mixture of polylactic acid and a biodegradable plastic having an aromatic unit may be provided.
또한, 폴리젖산과 방향족 유닛을 가지는 생분해성 플라스틱과의 혼합물 100 중량부에 대해 가소제 1.5~7.5 중량부가 혼합된 바이오 플라스틱 복합재를 제공할 수 있다.In addition, a bioplastic composite material in which 1.5 to 7.5 parts by weight of a plasticizer is mixed with respect to 100 parts by weight of a mixture of polylactic acid and a biodegradable plastic having an aromatic unit may be provided.
또한, 방향족 유닛을 가지는 생분해성 플라스틱이 생분해성 폴리부틸렌 아디페이트 테레프탈레이트(PBAT)일 수 있다.In addition, the biodegradable plastic having an aromatic unit may be biodegradable polybutylene adipate terephthalate (PBAT).
또한, 상기 상용화제가 무수말레산 변성 폴리프로필렌일 수 있다.In addition, the compatibilizer may be maleic anhydride-modified polypropylene.
또한, 폴리젖산:생분해성 폴리부틸렌 아디페이트 테레프탈레이트(PBAT)=90~70:10~30(중량비)의 혼합물 100 중량부에 대해 상용화제 1.5~7.5 중량부를 첨가하고 190℃ 이하에서 혼련하는 것을 특징으로 하는 바이오 플라스틱 복합재 제조 방법을 제공할 수 있다.In addition, 1.5 to 7.5 parts by weight of a compatibilizer is added to 100 parts by weight of a mixture of polylactic acid: biodegradable polybutylene adipate terephthalate (PBAT) = 90 to 70: 10 to 30 (weight ratio) and kneaded at 190 ° C or less. It is possible to provide a bioplastic composite manufacturing method characterized in that.
또한, 폴리젖산:생분해성 폴리부틸렌 아디페이트 테레프탈레이트(PBAT)=90~70:10~30(중량비)의 혼합물 100 중량부에 대해 가소제 1.5~7.5 중량부를 첨가하고 190℃ 이하에서 혼련하는 것을 특징으로 하는 바이오 플라스틱 복합재 제조 방법을 제공할 수 있다.In addition, 1.5 to 7.5 parts by weight of a plasticizer is added to 100 parts by weight of a mixture of polylactic acid: biodegradable polybutylene adipate terephthalate (PBAT) = 90 to 70: 10 to 30 (weight ratio) and kneaded at 190 ° C or lower It is possible to provide a bioplastic composite manufacturing method characterized by.
또한, 상기 상용화제가 무수말레산 변성 폴리프로필렌일 수 있다.In addition, the compatibilizer may be maleic anhydride-modified polypropylene.
이상에서 대표적인 실시예를 통하여 본 발명에 대하여 상세하게 설명하였으나, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자는 상술한 실시예에 대하여 본 발명의 범주에서 벗어나지 않는 한도 내에서 다양한 변형이 가능함을 이해할 것이다.Although the present invention has been described in detail through representative examples above, those skilled in the art to which the present invention pertains can make various modifications to the above-described embodiments without departing from the scope of the present invention. will understand
그러므로 본 발명의 권리범위는 설명된 실시예에 국한되어 정해져서는 안 되며, 후술하는 특허청구범위뿐만 아니라 이 특허청구범위와 균등한 것들에 의해 정해져야 한다.Therefore, the scope of the present invention should not be limited to the described embodiments and should not be defined, and should be defined by not only the claims to be described later, but also those equivalent to these claims.
Claims (19)
A bioplastic composite in which 1.5 to 7.5 parts by weight of a compatibilizer, 0.5 to 3.0 parts by weight of a plasticizer, and 0.25 to 1.5 parts by weight of a hydrolysis inhibitor are mixed with respect to 100 parts by weight of a mixture of polylactic acid and plastic.
Bioplastics in which 2.0 to 5.0 parts by weight of a compatibilizer, 0.5 to 2.0 parts by weight of a crystallization promoter, and 0.25 to 1.0 parts by weight of a hydrolysis inhibitor are mixed with respect to 100 parts by weight of a mixture of polylactic acid:plastic = 45 to 15:55 to 85 (weight ratio). composites.
상기 플라스틱이 폴리올레핀인 바이오 플라스틱 복합재.
According to any one of claims 1 or 2,
A bioplastic composite in which the plastic is polyolefin.
상기 플라스틱이 생분해성 폴리부틸렌석시네이트(PBS)인 바이오 플라스틱 복합재.
According to any one of claims 1 or 2,
A bioplastic composite material in which the plastic is biodegradable polybutylene succinate (PBS).
상기 상용화제가 무수 카르복실산 변성 폴리올레핀인 바이오 플라스틱 복합재.
According to any one of claims 1 or 2,
The bioplastic composite material wherein the compatibilizer is a carboxylic anhydride-modified polyolefin.
상기 상용화제가 무수말레산 변성 폴리프로필렌인 바이오 플라스틱 복합재.
According to any one of claims 1 or 2,
The bioplastic composite material wherein the compatibilizer is maleic anhydride-modified polypropylene.
1.5 to 7.5 parts by weight of a compatibilizer, 0.5 to 3.0 parts by weight of a plasticizer, and 0.25 to 1.5 parts by weight of a hydrolysis inhibitor are added to 100 parts by weight of a mixture of polylactic acid and plastic, and kneaded at 190 ° C or lower. manufacturing method.
2.0 to 5.0 parts by weight of a compatibilizer, 0.5 to 3.0 parts by weight of a plasticizer, 0.5 to 2.0 parts by weight of a crystallization promoter, and 0.25 to 5.0 parts by weight of a hydrolysis inhibitor based on 100 parts by weight of a mixture of polylactic acid:plastic = 45 to 15:55 to 85 (weight ratio). A bioplastic composite manufacturing method characterized by adding 1.0 parts by weight and kneading at 190 ° C or less.
상기 플라스틱이 폴리올레핀인 바이오 플라스틱 복합재 제조 방법.
According to any one of claims 7 or 8,
A method for producing a bioplastic composite material in which the plastic is polyolefin.
상기 플라스틱이 생분해성 폴리부틸렌석시네이트(PBS)인 바이오 플라스틱 복합재 제조 방법.
According to any one of claims 7 or 8,
A method for producing a bioplastic composite material in which the plastic is biodegradable polybutylene succinate (PBS).
상기 상용화제가 무수 카르복실산 변성 폴리올레핀인 바이오 플라스틱
According to any one of claims 7 or 8,
Bioplastics wherein the compatibilizer is a carboxylic anhydride-modified polyolefin
상기 상용화제가 무수말레산 변성 폴리프로필렌인 바이오 플라스틱
According to any one of claims 7 or 8,
Bioplastics wherein the compatibilizer is maleic anhydride-modified polypropylene
A bioplastic composite in which 1.5 to 7.5 parts by weight of a compatibilizer is mixed with respect to 100 parts by weight of a mixture of polylactic acid and a biodegradable plastic having an aromatic unit.
A bioplastic composite in which 1.5 to 7.5 parts by weight of a plasticizer is mixed with respect to 100 parts by weight of a mixture of polylactic acid and a biodegradable plastic having an aromatic unit.
방향족 유닛을 가지는 생분해성 플라스틱이 생분해성 폴리부틸렌 아디페이트 테레프탈레이트(PBAT)인 바이오 플라스틱 복합재.
According to any one of claims 13 or 14,
A bioplastic composite material in which the biodegradable plastic having an aromatic unit is biodegradable polybutylene adipate terephthalate (PBAT).
상기 상용화제가 무수말레산 변성 폴리프로필렌인 바이오 플라스틱 복합재.
According to claim 13,
The bioplastic composite material wherein the compatibilizer is maleic anhydride-modified polypropylene.
Characterized by adding 1.5 to 7.5 parts by weight of a compatibilizer to 100 parts by weight of a mixture of polylactic acid:biodegradable polybutylene adipate terephthalate (PBAT) = 90 to 70:10 to 30 (weight ratio) and kneading at 190 ° C or lower. A method for manufacturing bioplastic composites.
Polylactic acid: 1.5 to 7.5 parts by weight of a plasticizer based on 100 parts by weight of a mixture of biodegradable polybutylene adipate terephthalate (PBAT) = 90 to 70: 10 to 30 (weight ratio) is added and kneaded at 190 ° C or lower. A method for manufacturing bioplastic composites.
상기 상용화제가 무수말레산 변성 폴리프로필렌인 바이오 플라스틱 복합재 제조 방법.According to claim 17,
A method for producing a bioplastic composite material in which the compatibilizer is maleic anhydride-modified polypropylene.
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| JP2004002613A (en) | 2001-11-02 | 2004-01-08 | Minoru Hishinuma | Starch-based composite resin composition and its molded product |
| JP2008150599A (en) | 2006-12-13 | 2008-07-03 | Cheil Industries Inc | Natural fiber-reinforced polylactic acid resin composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004002613A (en) | 2001-11-02 | 2004-01-08 | Minoru Hishinuma | Starch-based composite resin composition and its molded product |
| JP2008150599A (en) | 2006-12-13 | 2008-07-03 | Cheil Industries Inc | Natural fiber-reinforced polylactic acid resin composition |
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