WO2008069184A1 - 延伸材料用オキシメチレン共重合体組成物、延伸材料、構造体およびその製造方法 - Google Patents
延伸材料用オキシメチレン共重合体組成物、延伸材料、構造体およびその製造方法 Download PDFInfo
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- WO2008069184A1 WO2008069184A1 PCT/JP2007/073345 JP2007073345W WO2008069184A1 WO 2008069184 A1 WO2008069184 A1 WO 2008069184A1 JP 2007073345 W JP2007073345 W JP 2007073345W WO 2008069184 A1 WO2008069184 A1 WO 2008069184A1
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- oxymethylene copolymer
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J159/00—Adhesives based on polyacetals; Adhesives based on derivatives of polyacetals
- C09J159/04—Copolyoxymethylenes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/08—Saturated oxiranes
- C08G65/10—Saturated oxiranes characterised by the catalysts used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2645—Metals or compounds thereof, e.g. salts
- C08G65/2654—Aluminium or boron; Compounds thereof
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
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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
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
- C08L59/04—Copolyoxymethylenes
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31942—Of aldehyde or ketone condensation product
Definitions
- the present invention relates to an oxymethylene copolymer composition for a stretched material, which is suitable for a stretched product having a high strength and a high elastic modulus made of an oxymethylene copolymer. Further, the present invention relates to a drawing material, a structure, and a method for producing the same using the composition.
- the oxymethylene polymer has a high degree of crystallinity! / Moreover, the melting point peak observed by DSC is very sharp, and the melting point and the crystal softening temperature are close to each other. . In addition, the high crystallization rate has given a great restriction in terms of stretching.
- Non-Patent Document 1 Polymer Enginnering and Science, Oct., 1974, Vol. 14, No. 10, p. 682-686
- Patent Document 1 Japanese Patent Laid-Open No. 2003-089925
- the present invention provides an oxymethylene copolymer composition for a stretched material having good stretch processability, a stretched material, a structure, and a method for producing the same.
- crosslinkable compound a compound that forms a crosslinked structure
- crosslinkable compound a compound that forms a crosslinked structure
- the present invention provides an oxymethylene copolymer composition for stretchable materials, wherein the compounding amount of the crosslinkable compound is 0.00;! To 0.05 parts by mass with respect to 100 parts by mass of the oxymethylene copolymer. is there.
- this invention is a extending
- the present invention is a structure obtained by subjecting the stretched material to secondary processing, and a structure using the oxymethylene copolymer composition as an adhesive layer.
- the present invention also relates to a method for producing a structure in which an oxymethylene copolymer composition is used as an adhesive layer and a polyalkylene glycol component is removed with water or a solvent. The invention's effect
- an oxymethylene copolymer composition for stretched material having good stretch processability. Further, it is possible to provide a stretched material, a structure, and a manufacturing method thereof.
- the oxymethylene copolymer composition for stretched material of the present invention is an oxymethylene copolymer.
- the crosslinkable compound is mixed in an amount of 0.001-0.05 parts by mass with respect to 100 parts by mass.
- the crosslinkable compound added / mixed preferably has a function as a heat stabilizer.
- the blending amount of such a crosslinkable compound is set to 0.;! To 5.0 parts by mass with respect to 100 parts by mass of the oxymethylene copolymer.
- an appropriate compounding amount is considered in consideration of bonding an amine-substituted triazine compound, which is a crosslinkable compound, with the molecular ends of formaldehyde or oxymethylene copolymer. It is very important to consider. That is, it is necessary to set the blending amount so that the resulting oxymethylene copolymer composition has sufficient thermal stability under processing conditions and does not cause stretching unevenness.
- the blending amount of the crosslinkable compound is set in the above range, and the stretch processability is improved.
- the blending amount of the crosslinkable compound is less than 0.001 part by mass, the thermal stability is lowered during drawing and the processability is lowered.
- the amount exceeds 0.05 parts by mass stretching unevenness occurs during stretching and the workability deteriorates.
- the amount of the crosslinkable compound is preferably from 0.002 to 0.04 mass, more preferably from 0.002 to 0.03.
- Crosslinkable compounds according to the present invention include melamine, melamine resin, methylol melamine, benzoguanamine, cyanoguanidine, N, N dialyl melamine, CTU guanamine (3,9bis [2- (3,5 diamino-2 , 4, 6- ⁇ riazafuenore) ethinole] 2, 4, 8, 10— tetraoxaspiro [5, 5] undecane), CMTU guanamine (3, 9—bis [1— (3, 5— diamine) 2, 4, 6- ⁇ riazaphenyl) methyl] 2, 4, 8, 10 tetraoxaspiro [5,5] undecane) and other amine-substituted triazine compounds, polyamides, urea derivatives, hydrazine derivatives, urethanes, etc.
- melamine is particularly preferable.
- the oximethylene copolymer in the present invention includes a repeating unit represented by the following general formula (1), and includes trioxane and 0.5 to 50.0 parts by mass with respect to 100 parts by mass of the trioxane.
- R 2 independently represents a hydrogen atom, an alkyl group, an organic group having an alkyl group, a phenyl group, or an organic group having a phenyl group.
- m represents an integer of;! ⁇ 6.
- the alkyl group include an alkyl group having 1 to 8 carbon atoms.
- Examples of the comonomer used in the oxymethylene copolymer include conventionally known cyclic ethers and cyclic formals. Among them, 1,3-dioxolane and its derivatives, 1,3-dioxepane and its derivatives, 1,3,5-trioxepane and its derivatives, 1,3,6-trioxocane and its derivatives, and monofunctional glycidyl ether are preferred. Used.
- the oxymethylene copolymer preferably has an aliphatic branched structure composed of at least one selected from the group consisting of an alkyl group, an alkylene group, an alkenyl group and an alkynyl group.
- an aliphatic branched structure composed of at least one selected from the group consisting of an alkyl group, an alkylene group, an alkenyl group and an alkynyl group.
- Examples of the method for introducing a branched structure into the oxymethylene copolymer include a method in which a monofunctional and / or polyfunctional glycidyl ether compound is copolymerized as a monomer.
- glycidyl ether compounds there are glycidyl ether compounds as shown in the following formula (2), those having branches such as 2-ethylhexyl glycidyl ether, and a mixture of two or more selected from them.
- n-butyldaricidinore ether is preferably used.
- the amount of use is preferably from 0.001 to 10 parts by mass with respect to 100 parts by mass of trioxane, and more preferably from 0.00 to 10 parts by mass. More preferably, it is 5 parts by mass.
- the content is 0.001 part by mass or more, the effect of introducing the branched structure is easily exhibited.
- the amount is 10 parts by mass or less, it is possible to prevent the activity of the polymerization reaction from being reduced and the addition of an excess catalyst is necessary, so that the resulting oxymethylene copolymer has good thermal stability. I'll do it with power.
- R 3 represents an alkylene group having 1 to 30 carbon atoms, n represents an integer of 0 to 20, R 4 represents a carbon number;! To 30 an alkenoquinole group, and 2 to 20 carbon atoms. An alkenyl group or an alkynyl group is shown.
- the oxymethylene copolymer composition of the present invention preferably contains polyalkylene glycol.
- polyalkylene glycol those showing various properties can be used, but it is preferable to use those showing liquid or cage-like properties at room temperature.
- examples of such polyanolene glycol include polyethylene glycol, polypropylene glycol, polybutylene glycol, polytetramethylene glycol, polydioxolane alone and copolymers; compounds obtained by reacting and bonding them with diisocyanate; And compounds modified with ether.
- “Shows liquid properties at room temperature” means that the viscosity is 15 cSt or less at 99 ° C.
- “showing a bowl-like property at room temperature” means that the viscosity is 15 to 50 cSt at 99 ° C. (Solvent Handbook Kodansha Scien Typhoid 79 791)
- Particularly preferably used is polyethylene glycol, and more preferably has a molecular weight of 200 to 2000.
- the molecular weight is 200 or more, it is possible to suppress air loss during production of the oxymethylene copolymer composition and bleed during processing while maintaining good moldability.
- the molecular weight is 2000 or less, the secondary processing can be improved while exhibiting the effect of improving stretchability.
- the secondary processing in this case means that the composition is formed by adding polyalkylene glycol. If a normal oxymethylene copolymer is used as a base material, it is possible to achieve good thermal bonding by providing an appropriate difference in melting point. As the melting point difference is increased, the temperature at the time of thermal bonding can be set to a temperature lower than the melting point of the base material, so that heat shrinkage and deformation of the base material can be prevented.
- the polyalkylene glycol is preferably 0.01 to 50 mass%, more preferably 0.0;! To 20 mass%, with respect to 100 mass parts of the oxymethylene copolymer. More preferably, it is 10 to 10 parts by mass.
- the amount is 0.01 parts by mass or more, the effect of adding polyalkylene glycol is easily exhibited, and when the amount is 50 parts by mass or less, bleeding during processing can be suppressed.
- polyalkylene glycol As a method for adding polyalkylene glycol, it may be added when the oxymethylene copolymer is obtained by stabilizing treatment, or it may be added to the oxymethylene copolymer once obtained in a compound. Furthermore, when plasticizing the oxymethylene copolymer during the stretching process, it may be added simultaneously and melt-mixed.
- the oxymethylene copolymer composition of the present invention is preferably added with a conventionally known antioxidant in the production stage.
- antioxidants examples include sterically hindered phenols.
- Specific examples of commercially available phenolic antioxidants include 1,6-hexanediol-bis [3- (3, 5 —Di-tert-butyl-4-hydroxyphenol) propionate], triethylene glycol bis-3- (3-t-butyl-4-hydroxy-5-methylphenol) propionate, pentaerythritole tetrakis 1 3- (3,5-di-t Butyl 4-hydroxyphenyl) propionate, 2,2, monomethylenebis (6-t-butyl-4-methylphenol), 3,9-bis ⁇ 2- [3- (3-t-butyl-4-hydroxy-5-methylphenyl) propionate Dioxy) 1 1,1-dimethylethyl ⁇ — 2, 4, 8, 10 Tetraoxaspiro [5,5] undecane, N, N, 1-hexane 1,6-Diylbis [3- (3,5- t Lou 4-hydroxyphenyl Eniru
- triethylene glycol monobis-1-3- (3-t-butyl 4-hydroxy 5-methylphenyl) propionate, pentaerythrityl-tetrakis 3- (3,5-di-butyltinole 4-h Droxyphenenole) propionate and 1,6-hexanediol bis [3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate] are preferably used.
- the addition amount is preferably 0.0;! To 5.0 mass% per 100 parts by mass of the oxymethylene copolymer, and preferably 0 ⁇ 0;! To 2.0 ⁇ mass. More preferably, it is more preferably 0 ⁇ 02 ⁇ ;! ⁇ 0 part by mass.
- the blending amount of the sterically hindered phenol is 0.01 parts by mass or more, it is possible to prevent the processability from being deteriorated due to the degradation of the molecular weight of the resin due to decomposition during processing or the inclusion of decomposition gas. 5. If the amount is less than 0 parts by mass, it is possible to prevent the appearance of the processed product from being damaged due to an increase in bleed.
- the oxymethylene copolymer composition of the present invention mainly has the above oxymethylene copolymer, but it is known in the range that does not impair the original purpose of the present invention. It is possible to add an agent.
- additives include crystal nucleating agents, antioxidants (excluding the above-mentioned antioxidants), plasticizers, anti-foaming agents, foaming agents, lubricants, mold release agents, antistatic agents, ultraviolet absorbers, light Stabilizers, heat stabilizers (excluding the crosslinkable compound according to the present invention), deodorants, flame retardants, sliding agents, fragrances, antibacterial agents and the like can be mentioned.
- filler examples include glass fiber, talc, my strength, calcium carbonate, potassium titanate whisker and the like. Further, pigments and dyes can be added to achieve a desired color. It can also be modified by adding various monomers, coupling agents, end treatment agents, other resins, wood flour, starch and the like.
- the oxymethylene copolymer composition of the present invention can be used as a stretching material.
- the copolymer composition include films, sheets, fibers, multifilaments, monofilaments, ropes, nets, woven fabrics, knitted fabrics, non-woven fabrics, filters, and force S exemplified by materials obtained by secondary processing thereof. It is not limited to them.
- the structure obtained in the present invention can be used as a constituent material of the oxymethylene copolymer composition of the present invention or as an adhesive layer for bonding members together.
- a constituent material When used as a constituent material, it may be used as it is or may be further processed. For example, by repeating the same bonding process or simultaneously, It is also possible to form a structure in which at least one material including a coalescence is composed of multiple layers.
- a once-adhered structure can be bonded to a material containing another oxymethylene copolymer having a different shape to form a more advanced structure.
- a structure can be produced by using an oxymethylene copolymer composition containing polyalkylene glycol as an adhesive layer and removing the polyalkylene glycol component with water or a solvent.
- Trioxane also referred to as “TOX”) per 100 parts by mass of 1,3-dioxolane, catalyst (the boron benzene trifluoride benzene solution: 0.62 mol / kg benzene)
- TOX Trioxane
- catalyst the boron benzene trifluoride benzene solution: 0.62 mol / kg benzene
- a biaxial kneader with a self-cleaning paddle with a jacket with a molecular weight regulator methylal benzene solution: 25% by weight
- Example 6 the catalyst amount was 0.03 mmol / mol—TOX, and the molecular weight modifier was 0.2 wt% (relative to TOX).
- Example 7 the catalyst amount was 0.06 mmol / mol-TOX, and the molecular weight modifier was 0.1 wt%.
- a benzene solution (25% by mass) of triphenylphosphine was added to the resulting polymer so as to be 2 mol with respect to lmol of boron trifluoride jetyl etherate, and the catalyst was lost. After activation, it was pulverized to obtain a granular oxymethylene copolymer.
- the above oxymethylene copolymer composition is melted by a single screw extruder having a cylinder set temperature of 220 ° C, fibers are continuously spun from a spinning die having a caliber of 0.6 mm and 24 holes, and about 200 m / m with a take-up roller. Winded up with min. This was continuously introduced into a drawing nozzle heated to 130 ° C. for drawing treatment.
- the stretched structure was subjected to surface observation using SEM (VE-9800 manufactured by Keyence Corporation) under a magnification condition of 200 times to confirm the presence or absence of “stretching unevenness”.
- SEM VE-9800 manufactured by Keyence Corporation
- the state in which the hump-like unstretched portion remains was regarded as uneven stretching, and the case where there was no stretch was defined as “good”. The results are shown in Table 1 below.
- Example 1 100 4 0.005-1200 6.0 Good
- Example 2 100 4 0.005 0.15 1240 6.2 Good
- Example 3 100 4 0.025 0.15 1200 6.0 Good
- Example 4 100 4 0.05 0.15 1180 5.9
- Example 5 100 4 0.05 3.00 1260 6.3 Good
- Example 6 100 1.5 0.05 3.00 1220 6.1 Good
- Example 7 100 13 0.05 3.00 1680 8.4 Good Comparative Example 1 100 4 0.1-860 4.3
- two-component multilayer fibers (each having a semicircular cross section) were melted in the same manner as in the drawing test described above. Spinning to produce a filament.
- the obtained filaments cut to a length of 10 cm were arranged so as to cross on an iron plate and sandwiched between the other iron plates. This was heated for 30 minutes with a hydraulic hot press preheated to the temperatures shown in Table 3 below, and subjected to thermal bonding under pressure. After the treatment, visually check the adhesion state at the point where the filaments intersect. The length after treatment was measured, and the thermal shrinkage before and after the treatment was measured. Also, the molten state of the entire filament after hot pressing was visually confirmed. The evaluation results are shown in Table 3 below.
- Comparative Examples 8 and 9 the oxymethylene copolymer composition described in Comparative Example 5 was used as the oxymethylene copolymer (B).
- Comparative Examples 10 and 11 the oxymethylene copolymer composition described in Comparative Example 6 was used as the oxymethylene copolymer (B). Except for the above, evaluation was performed in the same manner as in Examples 14 to 17; The results are shown in Table 3 below.
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US12/517,469 US8178627B2 (en) | 2006-12-04 | 2007-12-03 | Oxymethylene copolymer composition for stretching material, stretching material, structures, and process for producing the same |
KR1020097010958A KR101456310B1 (ko) | 2006-12-04 | 2007-12-03 | 연신 재료용 옥시메틸렌 공중합체 조성물, 연신 재료, 구조체 및 그 제조 방법 |
JP2008548282A JPWO2008069184A1 (ja) | 2006-12-04 | 2007-12-03 | 延伸材料用オキシメチレン共重合体組成物、延伸材料、構造体およびその製造方法 |
EP07832965.3A EP2093253B1 (en) | 2006-12-04 | 2007-12-03 | Oxymethylene copolymer composition for stretching material, stretching material, structures, and process for producing the same |
KR1020147025143A KR101535398B1 (ko) | 2006-12-04 | 2007-12-03 | 연신 재료용 옥시메틸렌 공중합체 조성물, 연신 재료, 구조체 및 그 제조 방법 |
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JP2006-327656 | 2006-12-04 | ||
JP2006-327657 | 2006-12-04 | ||
JP2006327656 | 2006-12-04 | ||
JP2006327657 | 2006-12-04 |
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US (1) | US8178627B2 (ja) |
EP (1) | EP2093253B1 (ja) |
JP (1) | JPWO2008069184A1 (ja) |
KR (2) | KR101456310B1 (ja) |
CN (1) | CN103642169B (ja) |
WO (1) | WO2008069184A1 (ja) |
Cited By (2)
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WO2012161053A1 (ja) * | 2011-05-25 | 2012-11-29 | ポリプラスチックス株式会社 | ポリオキシメチレン重合体ペレット、ポリオキシメチレン重合体ペレットの製造方法、及びポリオキシメチレン重合体ペレットの品質評価方法 |
JPWO2014050448A1 (ja) * | 2012-09-26 | 2016-08-22 | 三菱瓦斯化学株式会社 | ポリアセタール延伸繊維 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2014100657A2 (en) * | 2012-12-20 | 2014-06-26 | Ticona Llc | Monofilament fibers made from a polyoxymethylene composition |
CN109280321B (zh) * | 2018-08-07 | 2020-01-21 | 唐山开滦化工科技有限公司 | 一种聚甲醛薄膜及其制备方法 |
CN113557327B (zh) * | 2019-11-29 | 2022-06-28 | 三菱瓦斯化学株式会社 | 聚缩醛纤维及其制造方法、以及拉伸用材料 |
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2007
- 2007-12-03 CN CN201310499796.5A patent/CN103642169B/zh active Active
- 2007-12-03 KR KR1020097010958A patent/KR101456310B1/ko active IP Right Grant
- 2007-12-03 EP EP07832965.3A patent/EP2093253B1/en active Active
- 2007-12-03 KR KR1020147025143A patent/KR101535398B1/ko active IP Right Grant
- 2007-12-03 US US12/517,469 patent/US8178627B2/en active Active
- 2007-12-03 WO PCT/JP2007/073345 patent/WO2008069184A1/ja active Application Filing
- 2007-12-03 JP JP2008548282A patent/JPWO2008069184A1/ja active Pending
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012161053A1 (ja) * | 2011-05-25 | 2012-11-29 | ポリプラスチックス株式会社 | ポリオキシメチレン重合体ペレット、ポリオキシメチレン重合体ペレットの製造方法、及びポリオキシメチレン重合体ペレットの品質評価方法 |
JP2012246337A (ja) * | 2011-05-25 | 2012-12-13 | Polyplastics Co | ポリオキシメチレン重合体ペレット、ポリオキシメチレン重合体ペレットの製造方法、及びポリオキシメチレン重合体ペレットの品質評価方法 |
JPWO2014050448A1 (ja) * | 2012-09-26 | 2016-08-22 | 三菱瓦斯化学株式会社 | ポリアセタール延伸繊維 |
US10253160B2 (en) | 2012-09-26 | 2019-04-09 | Mitsubishi Gas Chemical Company, Inc. | Polyacetal stretched fiber |
Also Published As
Publication number | Publication date |
---|---|
EP2093253A1 (en) | 2009-08-26 |
EP2093253A4 (en) | 2011-09-21 |
JPWO2008069184A1 (ja) | 2010-03-18 |
US20100015458A1 (en) | 2010-01-21 |
EP2093253B1 (en) | 2017-02-08 |
KR101456310B1 (ko) | 2014-11-03 |
KR20140115380A (ko) | 2014-09-30 |
CN103642169B (zh) | 2017-01-11 |
KR101535398B1 (ko) | 2015-07-08 |
KR20090086230A (ko) | 2009-08-11 |
US8178627B2 (en) | 2012-05-15 |
CN103642169A (zh) | 2014-03-19 |
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