WO2013147400A1 - 사슬이 연장된 폴리락트산을 이용한 발포 시트 및 이의 제조방법 - Google Patents
사슬이 연장된 폴리락트산을 이용한 발포 시트 및 이의 제조방법 Download PDFInfo
- Publication number
- WO2013147400A1 WO2013147400A1 PCT/KR2012/011584 KR2012011584W WO2013147400A1 WO 2013147400 A1 WO2013147400 A1 WO 2013147400A1 KR 2012011584 W KR2012011584 W KR 2012011584W WO 2013147400 A1 WO2013147400 A1 WO 2013147400A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- parts
- foam sheet
- polylactic acid
- chain
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/16—Biodegradable polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
Definitions
- the present invention relates to a foam sheet using a chain-extended polylactic acid and a method for producing the same, and more particularly, to form a sheet shape under a predetermined condition using a composition comprising chain-extended polylactic acid, a plasticizer and a foaming agent,
- the present invention relates to a foam sheet and a method of manufacturing the same, which have excellent water resistance and processability by foaming at a relatively high temperature condition, as well as reducing greenhouse gases, saving fossil resources, and releasing noxious gas / environmental hormone during combustion.
- Foam sheets using petroleum resins such as polyvinyl chloride (PVC) are widely used in buildings such as houses, apartments, apartments, offices, and stores.
- Such a foam sheet is manufactured by extrusion or calendering method etc. using resin, such as polyvinyl chloride (PVC).
- resin such as polyvinyl chloride (PVC).
- PVC polyvinyl chloride
- PVC polyvinyl chloride
- Polylactic acid resins extracted and synthesized from plant resources have been spotlighted as a means to replace the petroleum resins.
- Polylactic acid is a resin produced by polymerizing a lactic acid obtained by releasing starch extracted from renewable plant resources (corn, potato, sweet potato, etc.), and is an eco-friendly resin that can not only reduce CO 2 but also reduce non-renewable energy.
- polylactic acid is a resin having a high crystallinity and a relatively low molecular weight, and thus has a low melt strength.
- an object of the present invention is to form a sheet in a certain condition using a composition comprising a chain-extended polylactic acid, a plasticizer and a blowing agent, and then to foam at a relatively high temperature condition to provide excellent water resistance and processability as well as a greenhouse. It is to provide a foam sheet and a method of manufacturing the same that reduce gas, save fossil resources and emit no harmful gas / environment during combustion.
- Foam sheet according to an embodiment of the present invention for achieving the above object is characterized in that it comprises at least one resin layer made of a biodegradable resin composition comprising a chain extended polylactic acid, a plasticizer and a blowing agent.
- the chain extension reaction by heating the first composition comprising 100 parts by weight of polylactic acid resin, 0.001 to 10 parts by weight of chain extender Inducing and extruding or calendering the second composition obtained by adding 10 to 100 parts by weight of a plasticizer and 0.1 to 10 parts by weight of a blowing agent to 100 parts by weight of the first composition to the chain extended first composition to produce a sheet And passing the sheet through an oven to foam the sheet.
- the foam sheet using the polylactic acid resin according to the present invention is easy to heat processing by using a biodegradable resin containing a chain extended polylactic acid resin, the physical properties such as water resistance, tensile strength, elongation in the product after processing is improved In addition, there is a significant improvement in foaming properties.
- the foam sheet using the polylactic acid resin according to the present invention can solve the problem of supply and demand of raw materials due to depletion of petroleum resources by using a polylactic acid resin based on plant resources instead of the petroleum resource-based PVC commonly used as a binder, CO 2 It has an eco-friendly effect of low emission of environmentally harmful substances and easy disposal.
- Foam sheet according to an embodiment of the present invention is characterized in that it comprises at least one resin layer made of a biodegradable resin composition comprising a chain extended polylactic acid, a plasticizer and a blowing agent.
- the foam sheet of the present invention as described above is characterized by having a relatively high foaming ratio as well as excellent water resistance and processability by using a chain extended polylactic acid.
- the foam sheet of this invention contains polylactic acid.
- the polylactic acid is a thermoplastic polyester obtained by polymerizing lactide or lactic acid.
- the polylactic acid may be prepared by polymerizing lactic acid or lactide prepared by fermenting starch extracted from corn, potato, and sweet potato. Since corn, potatoes and sweet potatoes are any renewable plant resources, polylactic acid resins that can be secured from them can effectively cope with problems caused by petroleum depletion.
- polylactic acid has significantly lower emissions of environmentally harmful substances such as CO 2 during use or disposal than petroleum-based materials such as polyvinyl chloride (PVC), and is an environmentally friendly property that can be easily decomposed under natural environment at the time of disposal.
- PVC polyvinyl chloride
- the polylactic acid may be classified into crystalline polylactic acid (c-polylactic acid) and amorphous polylactic acid (a-polylactic acid).
- c-polylactic acid crystalline polylactic acid
- a-polylactic acid amorphous polylactic acid
- a compatibilizer which is essentially added to prevent bridging
- polylactic acid is most preferably 100% amorphous polylactic acid. If necessary, polylactic acid in which crystalline and amorphous coexist can be used.
- the polylactic acid is preferably used at least one selected from L-polylactic acid, D-polylactic acid and L, D-polylactic acid in view of processability and plasticizer bleeding.
- the resin layer contains polylactic acid in which the polylactic acid is chain-extended with a chain extender.
- the chain extender is not particularly limited and used, and is composed of bisphenol A diglycidyl ether, terephthalic acid diglycidyl ether, trimethylolpropane diglycidyl ether, and 1,6-hexanediol diglycidyl ether.
- the chain extender is preferably included 0.001 ⁇ 10 parts by weight based on 100 parts by weight of polylactic acid in the composition. If the content of the chain extender is less than 0.001 parts by weight, there is a problem in that the chain extension reaction is not initiated. If the content of the chain extender is more than 10 parts by weight, the extension of the chain is too high.
- the plasticizer serves to increase the processability of the foam sheet of the present invention.
- an environmentally friendly plasticizer may be used, and preferably at least one selected from citric acid, citric acid ester, epoxidized vegetable oil, fatty acid ester, polyethylene glycol, polyethylenepropylene glycol, and glycerol ester, but is not particularly limited. .
- the content of the plasticizer is preferably 10 to 100 parts by weight based on 100 parts by weight of the chain extended polylactic acid resin. If the content is less than 10 parts by weight or more than 100 parts by weight, processing is difficult.
- the blowing agent is azodicarbonamide, p, p 'oxybisbenzenesulfonylhydrazide, p-toluenesulfonylhydrazide, benzenesulfonyl At least one selected from hydrazide (benzenesulfonylhydarazide) is preferably, but is not limited thereto.
- the blowing agent is preferably included 0.1 to 10 parts by weight relative to 100 parts by weight of the chain extended polylactic acid in the composition. If the content of the blowing agent is less than the above range, there is a problem that the effect of foaming is insignificant, and if it exceeds the above range, there is a problem that excessive foaming occurs excessively and the strength is lowered.
- the biodegradable resin composition may further include at least one selected from a chain extending reaction catalyst, a foaming aid and an inorganic filler.
- the chain extension reaction promoting catalyst serves to help the chain extension reaction of the present invention to occur smoothly.
- the chain extension reaction catalyst is preferably zinc stearic acid, but is not limited thereto.
- the content of the chain extension reaction catalyst is preferably 1.0 parts by weight or less relative to 100 parts by weight of the chain extended polylactic acid resin. If the content exceeds 1.0 parts by weight, there is a problem in that the physical properties of the chain extension reverse reaction occurs.
- the foaming aid serves to facilitate the foaming reaction of the present invention.
- the foaming aid is preferably one or more selected from zinc oxide, zinc neodecarbonate, potassium neodecarbonate, and zinc 2-ethylhexanoate, but is not limited thereto.
- the content of the foaming aid is preferably 10 parts by weight or less relative to 100 parts by weight of the chain extended polylactic acid resin.
- the content exceeds 10 parts by weight, excessive foaming may occur and premature foaming may occur in the sheet thermoforming process, and there may be a problem that an open cell foaming shape may appear.
- the inorganic filler is excellent in compatibility with the resin, specifically, calcium carbonate, talc, wood fibers, etc. may be used, but is not limited thereto.
- the content of the inorganic filler is preferably 300 parts by weight or less relative to 100 parts by weight of the chain extended polylactic acid resin.
- the content of the inorganic filler exceeds 300 parts by weight, the resin content is too low, difficult processing and there is a problem that the strength is lowered.
- the foam sheet of the present invention described above has the effect of increasing the molecular weight of the polylactic acid by the chain extender, excellent in water resistance and processability.
- the manufacturing method of the foam sheet according to the present invention will be described.
- the first composition comprising 100 parts by weight of polylactic acid resin, 0.001 to 10 parts by weight of a chain extender at a high temperature and the chain extended to the first composition
- a chain extender is introduced to the first composition containing the polylactic acid resin of the present invention and reacted at a high temperature to extend the chain of the polylactic acid terminal.
- the temperature required in this process is higher than the temperature at the time of thermoforming, and is preferably about 100 to 250 ° C.
- the thermal reaction may be induced through the chain extender included in the first composition, and a catalyst may be additionally used to increase the reaction rate.
- a catalyst may be additionally used to increase the reaction rate.
- an extruder and a kneader can be used.
- a sheet is manufactured by extruding or calendering the second composition obtained by further adding a plasticizer and a blowing agent to the chain-extended first composition.
- the raw materials are mixed or kneaded, and the mixing and kneading process is performed using, for example, a liquid or powdery raw material using a super mixer, an extruder, a kneader, two or three rolls, or the like. can do.
- the blended raw materials may be kneaded at a temperature of about 120 to 200 ° C. using a banbury mixer or the like for more efficient mixing.
- the mixing and kneading process may be repeatedly performed in multiple stages in the manner of mixing the raw materials kneaded in this way using a second roll at a temperature of about 120 to 200 ° C. and the like.
- the description of each raw material is as described above.
- the sheet is passed through an oven and foamed.
- the foaming conditions are in the range of 150 to 250 ° C., when the temperature is less than 150 ° C., foaming does not occur, and when the temperature exceeds 250 ° C., the volatilization of the plasticizer is serious and the flexibility of the sheet is sharply reduced.
- Foaming method is not particularly limited as a general method to those skilled in the art.
- a plasticizer citric acid
- a blowing agent azodicarbonate 80% / 4,4'-oxydibenzenesulfonyl hydrazide 20%
- the prepared composition was made into a sheet having a thickness of 120 ⁇ m using two rolls set at 100 ° C., followed by staying in a foam oven at 190 ° C. for 40 seconds to complete a foam sheet.
- Foam sheet was prepared under the same conditions except for using D-polylactide (poly-D-lactide) instead of L-polylactide (poly-L-lactide) in Example 1.
- D-polylactide poly-L, D-lactide
- L-polylactide poly-L-lactide
- the foam sheet under the same conditions as in Example 1 except that 100 parts by weight of the filler (calcium carbonate) and 2 parts by weight of the foaming aid (zinc neodecarbonate) are further included in 100 parts by weight of the chain-extended resin. was prepared.
- Example 4 the foam sheet was prepared under the same conditions except that the chain extension resin further contained 0.5 parts by weight of a chain extension reaction catalyst (zinc asteric acid).
- a chain extension reaction catalyst (zinc asteric acid).
- Foam sheets were prepared under the same conditions as in Example 1 except that polylactic acid without chain extension was used.
- Example 1 Example 2
- Example 3 Example 4
- Example 5 Comparative Example 1
- Immersion Shrinkage (%) 0.17 0.17 0.17 0.15 0.14 0.79
- the foam sheet according to the present invention can produce a polylactic acid foam sheet having a relatively high foaming ratio as well as excellent in water resistance and processability by using the polylactic acid by chain extension.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Biological Depolymerization Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
실시예1 | 실시예2 | 실시예3 | 실시예4 | 실시예5 | 비교예1 | |
인장강도(㎏/ 1.5cm) | 12.0 | 12.1 | 12.3 | 12.2 | 12.3 | 5.9 |
침지수축율(%) | 0.17 | 0.17 | 0.17 | 0.15 | 0.14 | 0.79 |
발포 배율(%) | 252 | 255 | 257 | 260 | 262 | 132 |
Claims (13)
- 사슬이 연장된 폴리락트산, 가소제 및 발포제를 포함하는 생분해성 수지 조성물로 이루어진 수지층을 적어도 하나 포함하는 발포 시트.
- 제 1항에 있어서,상기 수지층은사슬이 연장된 폴리락트산 100중량부 대비 가소제 10 ~ 100 중량부, 발포제 0.1 ~ 10 중량부를 포함하는 것을 특징으로 하는 발포 시트.
- 제 1항에 있어서,상기 폴리락트산은L-폴리락타이드, D-폴리락타이드, L,D-폴리락타이드 중에서 선택된 1종 이상을 포함하는 것을 특징으로 하는 발포 시트.
- 제 1항에 있어서,상기 가소제는구연산, 구연산 에스터, 에폭시화된 식물유, 지방산에스터, 폴리에틸렌글리콜, 폴리에틸렌프로필렌글리콜 및 글리세롤 에스터 중에서 선택된 1종 이상을 포함하는 것을 특징으로 하는 발포 시트.
- 제 1항에 있어서,상기 발포제는아조디카본아마이드(azodicarbonamide), p,p'옥시비스벤젠설포닐하이드라지드(p,p'oxybisbenzenesulfonylhydrazide), p-톨루엔설포닐하이드라지드(p-toluenesulfonylhydrazide), 벤젠설포닐하이드라지드(benzenesulfonylhydarazide) 중에서 선택된 1종 이상을 포함하는 것을 특징으로 하는 발포 시트.
- 제 1항에 있어서,상기 생분해성 수지 조성물은사슬연장반응 촉매, 발포조제 및 무기충진재 중 선택된 1종 이상을 더 포함하는 것을 특징으로 하는 발포 시트.
- 제 6항에 있어서,상기 사슬연장반응 촉매의 함량은사슬이 연장된 폴리락트산 100중량부 대비 1.0중량부 이하인 것을 특징으로 하는 발포 시트.
- 제 6항에 있어서,상기 사슬연장반응 촉매는징크아스테르산인 것을 특징으로 하는 특징으로 하는 발포 시트.
- 제 6항에 있어서,상기 발포조제의 함량은사슬이 연장된 폴리락트산 수지 100중량부 대비 10.0중량부 이하인 것을 특징으로 하는 발포 시트.
- 제 6항에 있어서,상기 발포조제는징크옥사이드, 징크네오데카보네이트, 포타슘네오데카보네이트, 징크2-에틸헥사노에이트 중에서 선택된 1종 이상을 포함하는 것을 특징으로 하는 발포 시트.
- 제 6항에 있어서,상기 무기충진제의 함량은사슬이 연장된 폴리락트산 수지 100중량부 대비 300중량부 이하인 것을 특징으로 하는 발포 시트.
- 제 6항에 있어서,상기 무기충진제는탄산칼슘, 탈크 및 우드섬유 중에서 선택된 1종 이상을 포함하는 것을 특징으로 하는 발포 시트.
- 폴리락트산 수지 100중량부, 사슬연장제 0.001~10중량부를 포함하는 제1조성물을 승온하여 사슬연장하는 단계;상기 사슬연장된 제1조성물에 제1조성물 100중량부 대비 가소제 10~100중량부 및 발포제 0.1~10중량부를 더 첨가하여 얻은 제2조성물을 압출 또는 카렌더링 하여 시트를 제조하는 단계; 및상기 시트를 오븐에 통과시켜 발포시키는 단계;를 포함하는 것을 특징으로 하는 발포 시트의 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2014136899A RU2605573C9 (ru) | 2012-03-30 | 2012-12-27 | Листовой пеноматериал полимолочной кислоты с удлиненной цепью и способ его получения |
US14/385,637 US9475913B2 (en) | 2012-03-30 | 2012-12-27 | Foam sheet using polylactic acid having extended chain and method for preparing the same |
JP2015503098A JP6054509B2 (ja) | 2012-03-30 | 2012-12-27 | 鎖延長されたポリ乳酸を用いた発泡シート及びその製造方法 |
CN201280071773.8A CN104245808B (zh) | 2012-03-30 | 2012-12-27 | 利用链延长的聚乳酸的发泡片及其制备方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2012-0033119 | 2012-03-30 | ||
KR1020120033119A KR101436200B1 (ko) | 2012-03-30 | 2012-03-30 | 사슬이 연장된 폴리락트산을 이용한 발포 시트 및 이의 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013147400A1 true WO2013147400A1 (ko) | 2013-10-03 |
Family
ID=49260612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/011584 WO2013147400A1 (ko) | 2012-03-30 | 2012-12-27 | 사슬이 연장된 폴리락트산을 이용한 발포 시트 및 이의 제조방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9475913B2 (ko) |
JP (1) | JP6054509B2 (ko) |
KR (1) | KR101436200B1 (ko) |
CN (1) | CN104245808B (ko) |
RU (1) | RU2605573C9 (ko) |
TW (1) | TWI540173B (ko) |
WO (1) | WO2013147400A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018500416A (ja) * | 2014-12-11 | 2018-01-11 | ソルベイ アセトウ ゲーエムベーハー | 塩基性添加物を含むポリマー組成物、方法および前記ポリマー組成物を含む物品 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101650712B1 (ko) * | 2015-12-04 | 2016-08-24 | 주식회사 그린폼텍 | 우수한 내열성을 갖는 저밀도 폴리락트산 발포 성형체 및 그 제조 방법 |
KR101637932B1 (ko) | 2016-04-04 | 2016-07-11 | 김성수 | 폴리락트산 발포체 및 그 제조방법 |
CN107685413B (zh) * | 2017-08-23 | 2019-05-10 | 南京欣阳新能源科技有限公司 | 一种由低温热膨胀微球发泡聚丙烯塑料的方法 |
CN115505348B (zh) * | 2022-10-25 | 2023-08-15 | 苏州世华新材料科技股份有限公司 | 一种抗冲击可降解泡棉及其制备方法 |
JP7392881B1 (ja) | 2023-02-28 | 2023-12-06 | 株式会社リコー | 発泡シート、発泡シートの製造方法、製造物、及び成型体 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980072370A (ko) * | 1997-03-04 | 1998-11-05 | 이봉주 | 생분해성 폴리올레핀계 가교발포체 조성물 |
JP2003253028A (ja) * | 2002-02-27 | 2003-09-10 | Toray Ind Inc | ポリエステル系樹脂架橋発泡体、該積層シート及びこれを用いた成形品 |
KR20090008899A (ko) * | 2007-07-19 | 2009-01-22 | 정지수 | 폴리락트산계 중합체 조성물, 그를 이용한 발포시트, 그의제조방법 및 그로부터 제조된 발포시트 성형체의 용도 |
KR20090086814A (ko) * | 2008-02-11 | 2009-08-14 | 정지수 | 폴리락타이드 발포체 및 그를 이용한 발포성형품의 용도 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5499166A (en) * | 1978-01-20 | 1979-08-04 | Japan Styrene Paper Corp | Production of polyolefinic foamed resin |
JP3891692B2 (ja) * | 1998-04-27 | 2007-03-14 | 三井化学株式会社 | 生分解性気泡シート |
CN1447837A (zh) * | 2000-07-20 | 2003-10-08 | 陶氏环球技术公司 | 由烯基芳族聚合物和α-烯烃/乙烯基或亚乙烯基芳族共聚体的共混物得到的泡沫组合物 |
JP2002155197A (ja) * | 2000-09-11 | 2002-05-28 | Unitika Ltd | 生分解性耐熱樹脂組成物、及びそれから得られるシート、成形体、発泡体 |
EP1449869A4 (en) * | 2001-11-29 | 2005-01-19 | Toray Industries | CONTINUOUS EXPANDED LEAF IN BIODEGRADABLE RETICULATED RESIN AND METHOD OF MANUFACTURE |
CN1260279C (zh) * | 2003-11-17 | 2006-06-21 | 中国科学院长春应用化学研究所 | 含扩链剂可生物降解的聚乳酸泡沫塑料及其制备方法 |
JP4821113B2 (ja) | 2003-12-26 | 2011-11-24 | 東レ株式会社 | 発泡体およびその製造方法 |
KR101248662B1 (ko) * | 2005-03-28 | 2013-03-28 | 도레이 카부시키가이샤 | 폴리락트산 발포체 |
CN100532453C (zh) * | 2006-10-12 | 2009-08-26 | 同济大学 | 一种吸塑用聚乳酸泡沫塑料片材及其制备方法 |
EP2096141A4 (en) | 2006-12-22 | 2014-06-25 | Unitika Ltd | BIODEGRADABLE POLYESTER RESIN COMPOSITION AND MOLDED BODY, FOAM BODY AND MOLDED CONTAINER OBTAINED FROM THE BIODEGRADABLE POLYESTER RESIN COMPOSITION |
KR20080067424A (ko) | 2007-01-16 | 2008-07-21 | 도레이새한 주식회사 | 다층구조를 가진 생분해성 시트 |
JP2008214440A (ja) * | 2007-03-01 | 2008-09-18 | Shin Etsu Chem Co Ltd | シリコーンゴムスポンジ組成物 |
JP5278640B2 (ja) * | 2007-03-19 | 2013-09-04 | 凸版印刷株式会社 | ポリ乳酸系樹脂発泡成形体 |
JP2008231285A (ja) * | 2007-03-22 | 2008-10-02 | Toray Ind Inc | 発泡体 |
WO2008126660A1 (ja) * | 2007-04-05 | 2008-10-23 | Toray Industries, Inc. | ポリ乳酸発泡体 |
NL1033719C2 (nl) * | 2007-04-19 | 2008-10-21 | Synbra Tech Bv | Deeltjesvormig expandeerbaar polymelkzuur, werkwijze voor het vervaardigen hiervan, geschuimd vormdeel op basis van deeltjesvormig expandeerbaar polymelkzuur evenals werkwijze voor het vervaardigen hiervan. |
JP5339857B2 (ja) | 2008-11-05 | 2013-11-13 | ユニチカ株式会社 | 生分解性難燃ポリエステル発泡用樹脂組成物、及びそれより得られる発泡体、その成形体 |
JP2011208042A (ja) | 2010-03-30 | 2011-10-20 | Unitika Ltd | ポリ乳酸樹脂組成物およびそれを成形してなる成形体 |
-
2012
- 2012-03-30 KR KR1020120033119A patent/KR101436200B1/ko active IP Right Grant
- 2012-12-27 WO PCT/KR2012/011584 patent/WO2013147400A1/ko active Application Filing
- 2012-12-27 RU RU2014136899A patent/RU2605573C9/ru not_active IP Right Cessation
- 2012-12-27 CN CN201280071773.8A patent/CN104245808B/zh not_active Expired - Fee Related
- 2012-12-27 JP JP2015503098A patent/JP6054509B2/ja not_active Expired - Fee Related
- 2012-12-27 US US14/385,637 patent/US9475913B2/en not_active Expired - Fee Related
-
2013
- 2013-04-01 TW TW102111711A patent/TWI540173B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980072370A (ko) * | 1997-03-04 | 1998-11-05 | 이봉주 | 생분해성 폴리올레핀계 가교발포체 조성물 |
JP2003253028A (ja) * | 2002-02-27 | 2003-09-10 | Toray Ind Inc | ポリエステル系樹脂架橋発泡体、該積層シート及びこれを用いた成形品 |
KR20090008899A (ko) * | 2007-07-19 | 2009-01-22 | 정지수 | 폴리락트산계 중합체 조성물, 그를 이용한 발포시트, 그의제조방법 및 그로부터 제조된 발포시트 성형체의 용도 |
KR20090086814A (ko) * | 2008-02-11 | 2009-08-14 | 정지수 | 폴리락타이드 발포체 및 그를 이용한 발포성형품의 용도 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018500416A (ja) * | 2014-12-11 | 2018-01-11 | ソルベイ アセトウ ゲーエムベーハー | 塩基性添加物を含むポリマー組成物、方法および前記ポリマー組成物を含む物品 |
CN112375259A (zh) * | 2014-12-11 | 2021-02-19 | 索尔维阿塞托有限公司 | 包含碱性添加剂的聚合物组合物,方法以及包含所述聚合物组合物的物品 |
US11352716B2 (en) | 2014-12-11 | 2022-06-07 | Rhodia Acetow Gmbh | Polymer composition comprising basic additive, process and articles comprising said polymer composition |
CN115716938A (zh) * | 2014-12-11 | 2023-02-28 | 索尔维阿塞托有限公司 | 包含碱性添加剂的聚合物组合物,方法以及包含所述聚合物组合物的物品 |
CN112375259B (zh) * | 2014-12-11 | 2023-10-03 | 索尔维阿塞托有限公司 | 包含碱性添加剂的聚合物组合物,方法以及包含所述聚合物组合物的物品 |
US11920260B2 (en) | 2014-12-11 | 2024-03-05 | Rhodia Acetow Gmbh | Polymer composition comprising basic additive, process and articles comprising said polymer composition |
Also Published As
Publication number | Publication date |
---|---|
US9475913B2 (en) | 2016-10-25 |
TW201339240A (zh) | 2013-10-01 |
US20150329689A1 (en) | 2015-11-19 |
JP2015515518A (ja) | 2015-05-28 |
RU2605573C9 (ru) | 2017-05-19 |
CN104245808A (zh) | 2014-12-24 |
TWI540173B (zh) | 2016-07-01 |
CN104245808B (zh) | 2017-02-22 |
KR101436200B1 (ko) | 2014-09-01 |
RU2605573C2 (ru) | 2016-12-20 |
KR20130116468A (ko) | 2013-10-24 |
RU2014136899A (ru) | 2016-05-27 |
JP6054509B2 (ja) | 2016-12-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013089387A1 (ko) | 가교된 폴리락트산을 이용한 발포 시트 및 이의 제조방법 | |
WO2013147400A1 (ko) | 사슬이 연장된 폴리락트산을 이용한 발포 시트 및 이의 제조방법 | |
CN103030875B (zh) | 一种改性pp发泡材料及其成型方法 | |
WO2015056959A1 (ko) | 난연성 수지 조성물 | |
WO2018056539A1 (ko) | 생분해성 수지 조성물 및 이로부터 제조된 생분해성 물품 | |
WO2012157874A2 (ko) | 생분해성 시트 | |
WO2013147392A1 (ko) | 가교된 폴리락트산을 이용한 보드 및 이의 제조방법 | |
CN107189324A (zh) | 一种电子工程用线缆弹性体护套料及其制备方法 | |
CN115368716A (zh) | 一种高效阻燃的塑料制备方法 | |
WO2014021544A1 (ko) | 생분해성 수지를 포함한 발포용 수지 조성물 및 그것으로부터 제조된 발포체 | |
WO2023033562A1 (ko) | 투명성과 충격강도가 우수한 생분해성 폴리에스테르 중합체 및 이를 포함하는 생분해성 고분자 조성물 | |
WO2011115382A2 (ko) | Pla 수지를 사용한 칩 스루 바닥재 | |
WO2012023715A2 (ko) | 프라스틱 복합 분해 촉진제 및 이의 제조방법 | |
WO2013147401A1 (ko) | 가교된 폴리락트산을 이용한 보드 및 이의 제조방법 | |
CN103694549A (zh) | 耐低温耐油无卤阻燃交联电缆护套料及其制备方法 | |
CN102702726A (zh) | 一种聚氨基脲酸酯阻燃泡沫板材及制备方法 | |
CN110423443B (zh) | 一种生物质基高强韧阻燃板材 | |
WO2013100420A1 (ko) | 생분해성 수지 조성물과 이를 이용한 생분해성 시트의 제조방법 | |
CN115850641B (zh) | 一种阻燃改性聚氨酯材料及其合成方法 | |
WO2015170875A1 (en) | Wallpaper using pla and pha blend resin and method for manufacturing the same | |
WO2013133520A1 (ko) | 치수 안정성을 가지는 바닥재용 수지 조성물 | |
WO2022060063A1 (ko) | 표면처리된 부산석고를 포함하는 생분해성 필름 조성물 및 이의 제조방법 | |
CN105111696A (zh) | 一种阻燃增强pet组合物及其制备方法 | |
CN112625410A (zh) | 基于改性聚乳酸的环保性降解材料及其制造工艺 | |
WO2009157640A1 (ko) | 강도가 개선된 폴리에테르계 폴리우레탄 폼 및 그를 이용한 용도 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12873373 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14385637 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2015503098 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2014136899 Country of ref document: RU Kind code of ref document: A |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12873373 Country of ref document: EP Kind code of ref document: A1 |