WO2004106401A1 - 熱可塑性ポリウレタン樹脂製キーパッド及びその成形方法 - Google Patents
熱可塑性ポリウレタン樹脂製キーパッド及びその成形方法 Download PDFInfo
- Publication number
- WO2004106401A1 WO2004106401A1 PCT/JP2004/006930 JP2004006930W WO2004106401A1 WO 2004106401 A1 WO2004106401 A1 WO 2004106401A1 JP 2004006930 W JP2004006930 W JP 2004006930W WO 2004106401 A1 WO2004106401 A1 WO 2004106401A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tpu
- polyurethane resin
- keypad
- thermoplastic polyurethane
- forming
- Prior art date
Links
Classifications
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/767—Printing equipment or accessories therefor
- B29L2031/7672—Type-writer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/767—Printing equipment or accessories therefor
- B29L2031/7676—Keyboards
Definitions
- the present invention relates to a thermoplastic polyurethane resin keypad and a method for molding the keypad. More specifically, the present invention relates to a keypad using a thermoplastic polyurethane resin excellent in secondary moldability, oleic acid resistance, discoloration resistance, transparency, and printability, and a molding method thereof.
- thermoplastic polyurethane resins (hereinafter abbreviated as TPUs) have been used in a wide range of fields such as paints, adhesives, lips, tubes, and binders for magnetic recording media. Also, TPU has better low-temperature properties, more flexibility, and better durability than other resins.
- thermoformed sheets made of TPU are used for automobile handles, skins of automobile instrument panels, bust cups for water and brassieres, keypads for electronic equipment, trays for electronic components, air mats, water bets, various protective cases, etc. It is used for
- thermoformed sheet As described above, the TPU for a thermoformed sheet is often used in a situation where it comes into direct contact with a human body or is exposed to direct sunlight. For this reason, TPU for thermoformed sheets is required not only to have excellent secondary formability, but also to be resistant to oleic acid (a substitute for durability against human perspiration) and to be resistant to discoloration. In addition, since molded products often require designability, transparency and printability are also required.
- Patent Document 1 discloses a TPU sheet excellent in dry touch property and oleic acid resistance.
- Patent Document 2 discloses TPU powder for slush molding using adipate polyester and polycarbonate diol (hereinafter abbreviated as PCD).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-187811
- Patent Document 2 JP-A-6-206973
- an object of the present invention is to provide a polyurethane resin keypad excellent in secondary moldability, oleic acid resistance, discoloration resistance, transparency, and printability.
- the present invention provides a TP excellent in secondary moldability, oleic acid resistance, discoloration resistance, transparency, and printability.
- the TPU used in the present invention is not only a keypad, but also an automobile handlebar that makes good use of its performance, such as a skin of an automobile instrument panel, a bust cup for a swimsuit or a bra, a keypad for an electronic device, and an electronic component. It can also be used for trays, air mats, water bets, and various protective cases.
- the TPU sheet is composed of an organic diisocyanate (A) containing hexamethylene diisocyanate (A1) as a main component, and a polycarbonate diol (B1).
- the resin pellets obtained by reacting a polymer polyol (B) whose main component is a polymer polyol (B) and a chain extender (C) whose main component is an aliphatic diol having 210 carbon atoms (C1) are melt-molded.
- a “thermoformed sheet” is a sheet made of synthetic resin for forming power, which further requires a heating step for its forming. Vacuum forming, stamping forming , Pressure molding and the like. "Primary molding” refers to molding from pellets to sheets "Secondary molding” means molding from this sheet into a keypad.
- the term “main component” in each component (A)-(C) of the TPU raw material means, for example, that the component (A1) occupies 50% by mass or more in (A).
- the organic diisocyanate (A) used in the present invention is mainly composed of hexamethylene diisocyanate (hereinafter abbreviated as HDI) (A1).
- HDI hexamethylene diisocyanate
- the organic diisocyanate (A) is mainly composed of an isocyanate other than HDI (Al)
- the discoloration resistance and the secondary formability of the obtained TPU pellets are reduced.
- Good secondary moldability means that precision molding is possible.
- the sheet made of the TPU pellets of the present invention can be applied to small (so-called palm-sized) upper covers for electronic devices (for example, covers provided with key switches used for card calculators, televisions, video decks, and the like). Becomes possible.
- the organic diisocyanates other than HDI (Al 2) that can be used in the present invention include 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, xylene-1,1,4-diisocyanate, and xylene-1 , 3-Diisocyanate, tetramethylxylenediisocyanate, 4, A'-diphenylmethanediisocyanate, 2, ⁇ '-diphenylmethanediisocyanate, 2,2'-diphenylmethanediisoate Cyanate, 4, ⁇ '-diphenyl ether diisocyanate, 2-nitrodiphenyl 4,4'-diisocyanate, 2, 2'-diphenylpropane-1,4,4'-diisocyanate, 3,3'-dimethyl Diphenylmethane-4, A'-diisocyanate, 4,4'diphenylpropanediisocyanate,
- the content of (A1) in (A) is 70% by mass or more is preferred, and particularly 80% by mass or more is preferred.
- the polymer polyol (B) used in the present invention contains PCD (Bl) as a main component.
- (B1) is generally obtained by a condensation reaction between a low molecular weight diol and a low molecular weight carbonate.
- the low molecular diols include ethylene glycol, 1,3_ propylene glycol, 1,
- 1,4-BD 2_propylene glycol, 1,2_butanediol, 1,3_butanediol, 1,4_butanediol (hereinafter abbreviated as 1,4-BD), 2_methyl_1,3_propanediol, 1,5 —Pentanediol, 1,6_hexanediol (hereinafter abbreviated as 1,6-HD), 3_methyl_1,5_pentanediol (hereinafter abbreviated as MPD), neopentyl glycol, 1,8-ota Tandiol, 1,9-nonanediol, 3,3_dimethylolheptane, diethylene glycol, 1,4-cyclohexanediol, 1,4-cyclohexanedimethanol, 2-ethynole_1,3_propanediol, 2_Normal propynole _1, 3_propanedi
- aliphatic low molecular weight diols having 2 to 10 carbon atoms are preferred among the low molecular polyols constituting PCD. This is most preferable because bleeding hardly occurs in the sheet and transparency and printability are good.
- Examples of the low molecular carbonate include dialkyl carbonates such as dimethyl carbonate and getyl carbonate, diaryl carbonates such as diphenyl carbonate, alkylene carbonates such as ethylene carbonate and propylene carbonate, and the like.
- the preferred number average molecular weight of the high molecular polyol (B) is from 500 to 5,000, particularly preferably from 1,000 to 3,000. If the number average molecular weight is less than 500, the flexibility of the obtained TPU is likely to be insufficient. If it exceeds 5,000, the mechanical strength tends to be insufficient.
- the polymer polyol (B) contains a polymer polyol other than (B1) as a main component, for example, the heat resistance S of a polyether polyol and the water resistance of a polyester polyol are insufficient.
- Examples of high molecular polyols other than PCD (Bl) that can be used together without lowering durability include polyester polyols, polyether polyols, polyether ester polyols, and polyolefin polyols.
- the chain extender (C) used in the present invention contains an aliphatic diol (C1) having 2 to 10 carbon atoms as a main component.
- (C1) includes ethylene glycol, 1,3-propylene glycol, 1,2-propylene glycol, 1,2-butanediol, 1,3_butanediol, 1,4_BD, 2-methyl-1,3-propanediol , 1,5_pentanediol, 1,6_HD, MPD, neopentyl glycol, 1,8-octanediol, 1,9-nonanediol, 3,3-dimethylthiol heptane, diethylene glycol, 1,4-cyclohexanediol, 1 2,4-cyclohexanedimethanone, 2-ethynole-1,3-propanediol, 2-n-propynole-1,3-propanediol, 2-isoprop
- aliphatic diols having 2 to 6 carbon atoms are preferred, and 1,4-BD is most preferred.
- chain extender (C) is mainly composed of a compound having a low molecular active hydrogen group other than (C1), Further, problems such as a decrease in moldability and transparency and a lack of mechanical strength are likely to occur. Can be used together
- chain extenders other than (C1) include low-molecular-weight polyamines having a (number average) molecular weight of less than 500, such as ethylenediamine, hexamethylenediamine, xylylenediamine, isophoronediamine, and ethylenetriamine, monoethanolamine, and the like.
- low molecular weight amino alcohols having a (number average) molecular weight of less than 500 such as diethanolamine and monopropanolamine.
- the production can be carried out by a known method without any particular limitation except for using the above-mentioned raw materials (A) and (C).
- a specific manufacturing process will be described below.
- the above raw materials are weighed with a metering pump and mixed vigorously.
- the mixture is poured onto a vat and further reacted at a temperature of, for example, 50 to 200 ° C., preferably 60 to 160 ° C., into an extruder set at 80 to 250 ° C., preferably 120 to 250 ° C.
- the production method using an extruder is preferable because continuous production is possible.
- the purpose of making pellets is (1) dust does not rise during processing like powder, (2) there are few restrictions on storage and transportation like organic solvent solutions, (3) various This is because they are excellent in that they can be easily processed into shapes.
- urethanization catalyst there is no particular limitation on the use of a so-called urethanization catalyst during the production of TPU pellets, but the use of a urethanation catalyst is preferred because it has advantages such as shortening of reaction time and completion of reaction.
- any commonly used urethanization catalyst can be used, and examples thereof include bismuth, lead, tin, iron, antimony, uranium, cadmium, cobalt, thorium, aluminum, mercury, zinc, nickel, cerium, and molybdenum.
- organic compounds such as vanadium, copper, manganese, zirconium, and calcium, and inorganic compounds.
- Preferred catalysts are organometallic compounds, especially dialkyltin compounds.
- organotin catalysts include, for example, stannous octoate, stannous oleate, dibutyltin diacetate, dibutyltin Examples thereof include dilaurate, dibutyltin maleate, dibutyltin mercaptopropionate, and dibutyltin dodecylmer force peptide.
- the amount of the catalyst to be used is not particularly limited because it is determined by the properties of other raw materials, the reaction conditions, the desired reaction time, and the like, but the catalyst is generally used in an amount of 0% of the total mass of the reaction mixture.
- 0001 is used in a range of 5% by weight, preferably about 0.001 to 2% by weight.
- the molar ratio of the active hydrogen group and the isocyanate group at the time of preparation is 0.8 / 1 ⁇ active hydrogen group / isosinate group ⁇ lZl, particularly preferably 0.85 / 1 ⁇ active hydrogen group / The isocyanate group ⁇ 0.99 / 1.
- the number of active hydrogen groups / isocyanate groups is less than the lower limit, the mechanical strength is insufficient because the molecular weight of the obtained TPU is small. If the upper limit is exceeded, the resulting TPU is likely to have poor appearance such as fish eyes.
- the weight average molecular weight of the TPU thus obtained is preferably 5,000 to 1,000,000, more preferably 10,000 to 500,000. If the number average molecular weight is less than the lower limit, the strength tends to be insufficient. If the upper limit is exceeded, the moldability tends to decrease.
- the weight average molecular weight is based on gel permeation chromatography (GPC) in terms of polystyrene.
- the A hardness of the obtained TPU specified in JIS-K7311 is 70-98, preferably 80-95. For this reason, it is hard and excellent in finger touch feeling, and when formed into a thin material, an elastic feeling is generated.
- the TPU obtained according to the present invention is not subject to any restrictions on the storage method according to the Fire Service Law. Nor.
- the present invention can further use additives.
- Lubricants and hydrolysis inhibitors as additives
- the above-mentioned TPU pellets are formed into a film or sheet having a thickness of 0.03 to 5 mm, and then subjected to three-dimensional forming by vacuum forming or stamping forming as secondary forming. It is characterized by doing. As a result, a thin precision molded product such as a keypad of an electronic device can be easily obtained.
- a sheet made of the above-described TPU pellets is heated and softened, vacuum sucked into a mold, then cooled and released, and trimmed as necessary to obtain a molded product.
- the above-mentioned sheet made of TPU pellets is heated, softened, vacuum-sucked by male and female molds, then cooled and released, and trimmed as necessary to trim the molded article. obtain.
- the heating temperature of the sheet is preferably 60 250 ° C.
- thermoplastic polyurethane resin [Production of thermoplastic polyurethane resin]
- Pellets PU-2-8 of thermoplastic polyurethane resin were obtained in the same manner as in Synthesis Example 1 with the formulations shown in Tables 1 and 2.
- Measuring equipment Flow tester CFT500C type (manufactured by Shimadzu Corporation)
- Preheating time 240 seconds
- PU-118 was melt-molded into a sheet having a thickness of 0.2 mm by an extruder and evaluated according to the following items.
- the melt molding conditions were as follows: resin heating temperature: 180 ° C, T-die temperature: 170 ° C.
- Tables 3 and 4 show the evaluation results.
- the dynamic viscoelasticity of PU-2 was measured.
- Figure 1 shows the results of the dynamic viscoelasticity measurement.
- the obtained resin was evaluated visually.
- ⁇ Transparent, and no fish eyes are observed.
- ⁇ Transparent power Some fish eyes are observed.
- Vacuum pressure 1.3 kPa
- a polyurethane resin film was formed into a keypad by vacuum forming and stamping, and the following performance was evaluated.
- the vacuum forming conditions and the stamping forming conditions are as described above. Table 5 shows the results.
- the polyurethane resin keypad of the present invention showed good performance.
- FIG. 1 A result of measurement of dynamic viscoelasticity of PU-2.
- ⁇ Storage modulus ( ⁇ ')
- ⁇ Loss modulus ( ⁇ )
- ⁇ Loss modulus ( ⁇ ) / Storage modulus ( ⁇ ') (tan ⁇ ))
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004800173861A CN100368456C (zh) | 2003-05-28 | 2004-05-21 | 热塑性聚氨酯树脂制键盘及其成型方法 |
KR1020057022540A KR100750783B1 (ko) | 2003-05-28 | 2004-05-21 | 열가소성 폴리우레탄 수지제 키패드 및 그 성형방법 |
US10/558,391 US20070027288A1 (en) | 2003-05-28 | 2004-05-21 | Keypad made from thermoplastic polyurethane resin and method for forming thereof |
EP04734339A EP1632514A4 (en) | 2003-05-28 | 2004-05-21 | KEYBOARD OF THERMOPLASTIC POLYURETHANE RESIN AND METHOD OF MANUFACTURING THEREOF |
JP2005506469A JP3865075B2 (ja) | 2003-05-28 | 2004-05-21 | 熱可塑性ポリウレタン樹脂製キーパッド及びその成形方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003150240 | 2003-05-28 | ||
JP2003-150240 | 2003-05-28 |
Publications (1)
Publication Number | Publication Date |
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WO2004106401A1 true WO2004106401A1 (ja) | 2004-12-09 |
Family
ID=33487170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/006930 WO2004106401A1 (ja) | 2003-05-28 | 2004-05-21 | 熱可塑性ポリウレタン樹脂製キーパッド及びその成形方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070027288A1 (ja) |
EP (1) | EP1632514A4 (ja) |
JP (1) | JP3865075B2 (ja) |
KR (1) | KR100750783B1 (ja) |
CN (1) | CN100368456C (ja) |
WO (1) | WO2004106401A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009122813A1 (ja) * | 2008-03-31 | 2009-10-08 | 日本ポリウレタン工業株式会社 | メッキ付二色成形用熱可塑性ポリウレタン樹脂組成物、メッキ用二色成形体、メッキ付二色成形体、並びにそれらの製造方法 |
JP2020527618A (ja) * | 2017-06-27 | 2020-09-10 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 電磁放射線に対する透過性が良好なポリウレタン |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008021568A (ja) * | 2006-07-14 | 2008-01-31 | Sunarrow Ltd | キートップ及びその製造方法 |
CN101450988B (zh) * | 2007-11-30 | 2011-07-20 | 东莞市兴茂橡塑科技有限公司 | 一种透明高弹性聚氨酯弹性体及其制备方法 |
CN101942071B (zh) * | 2010-09-15 | 2012-01-11 | 旭川化学(苏州)有限公司 | 一种沙发革用聚氨酯树脂及其制备工艺 |
US8691915B2 (en) | 2012-04-23 | 2014-04-08 | Sabic Innovative Plastics Ip B.V. | Copolymers and polymer blends having improved refractive indices |
CN105807941A (zh) * | 2016-03-02 | 2016-07-27 | 苏州天擎电子通讯有限公司 | 新型便于携带的键盘 |
DE102021109750A1 (de) * | 2021-04-19 | 2022-10-20 | Voith Patent Gmbh | Polyurethan, Walzenbezug und Herstellungsverfahren |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0445133A (ja) * | 1990-06-11 | 1992-02-14 | Kuraray Co Ltd | 繊維強化樹脂シート |
JPH06116355A (ja) * | 1992-10-02 | 1994-04-26 | Dainippon Ink & Chem Inc | 熱可塑性ポリウレタン樹脂の製造法及び成形品 |
JPH06206965A (ja) * | 1992-09-29 | 1994-07-26 | Asahi Chem Ind Co Ltd | ポリテトラメチレンカーボネートジオールを用いた熱可塑性ポリウレタン及びポリテトラメチレンカーボネートジオールの製造法 |
JPH0741540A (ja) * | 1993-07-26 | 1995-02-10 | Asahi Chem Ind Co Ltd | 熱可塑性ポリウレタン成型材料 |
JPH083264A (ja) * | 1994-06-22 | 1996-01-09 | Dainichiseika Color & Chem Mfg Co Ltd | ポリウレタン製シート状物 |
JP2000273139A (ja) * | 1999-03-25 | 2000-10-03 | Sekisui Chem Co Ltd | キーパッド |
JP2000355619A (ja) * | 1999-04-09 | 2000-12-26 | Carl Freudenberg:Fa | 加工可能な熱可塑性ポリウレタン成型材料 |
-
2004
- 2004-05-21 KR KR1020057022540A patent/KR100750783B1/ko not_active IP Right Cessation
- 2004-05-21 WO PCT/JP2004/006930 patent/WO2004106401A1/ja active Application Filing
- 2004-05-21 EP EP04734339A patent/EP1632514A4/en not_active Withdrawn
- 2004-05-21 US US10/558,391 patent/US20070027288A1/en not_active Abandoned
- 2004-05-21 CN CNB2004800173861A patent/CN100368456C/zh not_active Expired - Fee Related
- 2004-05-21 JP JP2005506469A patent/JP3865075B2/ja not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0445133A (ja) * | 1990-06-11 | 1992-02-14 | Kuraray Co Ltd | 繊維強化樹脂シート |
JPH06206965A (ja) * | 1992-09-29 | 1994-07-26 | Asahi Chem Ind Co Ltd | ポリテトラメチレンカーボネートジオールを用いた熱可塑性ポリウレタン及びポリテトラメチレンカーボネートジオールの製造法 |
JPH06116355A (ja) * | 1992-10-02 | 1994-04-26 | Dainippon Ink & Chem Inc | 熱可塑性ポリウレタン樹脂の製造法及び成形品 |
JPH0741540A (ja) * | 1993-07-26 | 1995-02-10 | Asahi Chem Ind Co Ltd | 熱可塑性ポリウレタン成型材料 |
JPH083264A (ja) * | 1994-06-22 | 1996-01-09 | Dainichiseika Color & Chem Mfg Co Ltd | ポリウレタン製シート状物 |
JP2000273139A (ja) * | 1999-03-25 | 2000-10-03 | Sekisui Chem Co Ltd | キーパッド |
JP2000355619A (ja) * | 1999-04-09 | 2000-12-26 | Carl Freudenberg:Fa | 加工可能な熱可塑性ポリウレタン成型材料 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1632514A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009122813A1 (ja) * | 2008-03-31 | 2009-10-08 | 日本ポリウレタン工業株式会社 | メッキ付二色成形用熱可塑性ポリウレタン樹脂組成物、メッキ用二色成形体、メッキ付二色成形体、並びにそれらの製造方法 |
JP2009242655A (ja) * | 2008-03-31 | 2009-10-22 | Nippon Polyurethane Ind Co Ltd | メッキ付二色成形用熱可塑性ポリウレタン樹脂組成物、メッキ用二色成形体、メッキ付二色成形体、並びにそれらの製造方法 |
JP2020527618A (ja) * | 2017-06-27 | 2020-09-10 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 電磁放射線に対する透過性が良好なポリウレタン |
Also Published As
Publication number | Publication date |
---|---|
CN100368456C (zh) | 2008-02-13 |
KR100750783B1 (ko) | 2007-08-20 |
JPWO2004106401A1 (ja) | 2006-07-20 |
EP1632514A4 (en) | 2008-06-25 |
EP1632514A1 (en) | 2006-03-08 |
CN1809604A (zh) | 2006-07-26 |
US20070027288A1 (en) | 2007-02-01 |
JP3865075B2 (ja) | 2007-01-10 |
KR20050123505A (ko) | 2005-12-29 |
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