WO2005003202A2 - ポリウレタン及びその製造方法 - Google Patents
ポリウレタン及びその製造方法 Download PDFInfo
- Publication number
- WO2005003202A2 WO2005003202A2 PCT/JP2004/008239 JP2004008239W WO2005003202A2 WO 2005003202 A2 WO2005003202 A2 WO 2005003202A2 JP 2004008239 W JP2004008239 W JP 2004008239W WO 2005003202 A2 WO2005003202 A2 WO 2005003202A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyurethane
- molasses
- weight
- component
- glyceride
- Prior art date
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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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- 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
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6484—Polysaccharides and derivatives thereof
-
- 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
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6492—Lignin containing materials; Wood resins; Wood tars; Derivatives thereof
-
- 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
- C08G2230/00—Compositions for preparing biodegradable polymers
Definitions
- the present invention relates to a polyurethane and a method for producing the same.
- saccharides such as monosaccharides and oligosaccharides and biodegradable polyurethanes made from lignins such as sorbolysis lignin and kraft lignin have excellent physical properties. It has been found that the combined use of lignin further improves the physical properties of the resulting polyurethane.
- a lignin-based substance a lignin sulfonate by-produced in a sulfite pulp manufacturing process is known.
- a glyceride is incorporated into a polyurethane molecule together with molasses and / or a lignin-based substance, the obtained polyurethane has not only biodegradability but also excellent physical properties such as heat resistance and mechanical strength.
- Disclosure of the invention
- An object of the present invention is to provide an inexpensive and excellent biodegradable polyurethane in which molasses and / or a lignin-based substance are incorporated together with glyceride in the molecular chain of the polyurethane, and a method for producing the same.
- the following polyurethane and a method for producing the same are provided.
- the total amount of the weight A of the glyceride component and the weight B of the molasses component and / or the lignin-based substance component is based on the total polyurethane.
- a polyisocyanate is subjected to a polycondensation reaction with a polyol solution containing, in a dissolved state, molasses and a nitro or rhidanine-based substance together with a glyceride containing at least two hydroxyl groups in the molecule.
- the total amount of the weight A of the glyceride component and the weight B of the molasses component and / or the redanine-based substance component is 10 to 90% with respect to the total polyurethane, and the weight ratio AZB of A to B is 0%.
- a method for producing a polyurethane which is 1 to 10.
- the molasses used in the present invention can be molasses in addition to ordinary molasses.
- the lignin-based substance used in the present invention only needs to be soluble in a polyol.
- ligninsulfonic acid include ligninsulfonic acid and partially neutralized salts of ligninsulfonic acid.
- the lignin sulfonic acid partially neutralized salt can be obtained by partially hydrolyzing a lignin sulfonic acid salt with an acid or by performing ion exchange by an ion exchange method.
- the lignin sulfonate includes sodium salt, potassium salt, ammonium salt, calcium salt, magnesium salt and the like.
- the degree of the partial hydrolysis is generally such that the pH of the 5% aqueous solution shows 1 to 8, preferably 2.5 to 6, more preferably 3 to 4, and is so far as to dissolve in the polyol. Good.
- the glyceride used in the present invention is a glyceride having at least two hydroxyl groups in its molecule, and includes diglycerides in addition to triglycerides. Such glycerides include castor oil and various modifications thereof.
- the present invention is characterized in that (i) glyceride and (ii) molasses and / or lignin-based substance are dissolved in a polyol and used as a solution.
- other components such as sugar compounds can be dissolved in the polyol, if necessary.
- the saccharide compounds include monosaccharides, oligosaccharides, polysaccharides, sugar alcohols and the like, and any compounds can be used as long as they are soluble in the polyol.
- Such sugar compounds include, for example, glucose, galactose, xylose, lactose, mannose, talose, rhamnose, arabinose, gnorecosinoremannose, lyxose, arose, anoretroses, growth, idose, ribose, erythrose.
- Threose Threose, psicose, funolectose, s / rebose, tagatose, penllose, tetroose, sucrose, manolethose, isomareletose, cellobiose, lactose, trenoperose, kojibiose, sophorose, nigeriose, sage , Melibiose, Brante Obiose, Llanos, Vicianose, Agarobiose, Silaviose, Noreti North, Primemeose, Xylo Aose, rhodimenabiose, erythritol tonole, mesoeri tritone, maltitole, lactitol, D-threitol, D-arabinitol, ribitol, xylitol, sorbitol, galactitol, D-mannitol
- polyol used in the present invention examples include, for example, ethylene glycol, ethylene glycol, triethylene glycol, 1,4-butanediol, , 6-hexanediol, neopentyl glycol, trimethylolpropane, glycerin, triethanolamine, sorbitol and other low molecular weight polyols: polyethylene glycol, poly Polyether polyols such as propylene glycol, polytetramethylene glycol, ethylenoxide and propylene oxide copolymers: from polycaprolactone, poly (J3-methyl-1- ⁇ -butyrolactone), diols and dibasic acids And the like.
- Other examples include liquid hydroxyl-containing polybutadiene, polycarbonate diol, and acrylic polyol.
- Examples of the polyisocyanate used in the present invention include aliphatic polyisocyanate, alicyclic polyisocyanate, and aromatic polyisocyanate, and modified products thereof.
- Examples of the aliphatic polyisocyanate include hexame Examples include tylene diisocyanate, lysine diisocyanate, and lysine triisocyanate.
- Examples of the alicyclic polyisocyanate include isophorone diisocyanate.
- aromatic polyisocyanate examples include tolylene diisocyanate, xylylene diisocyanate, diphenyl methane diisocyanate, polymeric diphenyl methane diisocyanate, triphenyl methane triisocyanate, tris (Isocene phenyl) thiophosphate and the like.
- modified polyisocyanate examples include urethane prepolymer, hexamethylene diisocyanate buret, hexamethylene diisocyanate, trimer, isophorone diisocyanate trimer and the like.
- a foamed polyurethane (polyurethane foam) can be obtained by allowing water to exist in the reaction system.
- the reaction is carried out in the presence of a catalyst.
- a catalyst for a urethanization reaction, usually a tin-based amine-based catalyst, is used.
- the reaction temperature may be room temperature, but heating may be used if necessary.
- the ratio of the use of polyalcohol (hereinafter also referred to as hydroxy group component) containing glyceride and molasses and / or lignin-based substance used in the present invention and polyisocyanate is shown as follows.
- the equivalent number of the isocyanate group is 0.8 to 2 equivalents, preferably 1 to 1.5 equivalents, based on the equivalent number of all the hydroxyl groups contained in the hydroxyl group component.
- the glyceride used in the present invention is 5 to 80% by weight, preferably 10 to 75% by weight, based on the molasses and / or the polyol containing a lignin-based substance.
- the total amount of the weight A of the glyceride used in the present invention and the weight B of the molasses and / or lignin-based substance is from 10 to 10% based on the total weight of the polyurethane (the total amount of the hydroxyyl component and the polyisocyanate component). 90%, preferably 20 to 80%.
- the weight ratio A / B of the weight A of glyceride to the weight B of molasses and / or lignin-based substances is 0. :! To 10, preferably 0.2 to 0.8.
- the proportion of the other components used as necessary is an appropriate amount, and is usually 0 to 90%, preferably 10 to 80%, based on the total weight of the polyurethane.
- the proportion of the dalyceride component is more than the above range, there is a problem that the polyurethane to be formed is too flexible and foam formation is difficult. On the other hand, if the ratio is too small, the polyurethane to be formed is excessive. There are problems such as being hard and brittle.
- the weight ratio AZB in the above range, it is possible to obtain a polyurethane having an appropriate form having a good form and an excellent toughness having an elastic modulus.
- the polyurethane of the present invention can be a flexible or rigid polyurethane foam.
- the apparent density (weight / volume) can be adjusted by the amount of water (foaming agent) added to the reaction raw material. The amount is about 1 to 0.3 mol, preferably about 0.005 to 0.05 mol.
- the (weight volume of polyurethane tan foam) Apparent density 0. 0 1 ⁇ 0. 9 g / cm 3, is preferably, 0. 05 ⁇ 0. 5 g / cm 3 .
- TG Thermogravimetry
- DSC differential scanning calorimetry
- Thermal decomposition temperature (Td) and differential thermal decomposition temperature (DTd) were measured by TG.
- the weight residue ratio (MR450, MR500, MR550) in pyrolysis at 450 ° C, 500 ° C and 550 ° C was determined.
- T g glass transition temperature
- ML molasses polyol
- DEG diethylene glycol
- CAO castor oil
- D BTDL di-n-butyltin dilaurate
- Table 1 shows the amounts of each component, and Table 2 shows the results of examination of the thermal and mechanical properties.
- Table 1 Product DBTDL Water DI CA0 / LDP CA0 / L
- molasses polyol MLTP molasses content 33% by weight
- TOG triethylene glycol
- Table 3 shows the compounding amounts of each component and Table 4 shows the results of examining the thermal and mechanical properties.
- molasses polyol MLPP molasses content 33% by weight
- a polyurethane foam was prepared in the same manner as in Example 1 except that MLPP was used instead of MLDP.
- Table 5 shows the amounts of each component and Table 6 shows the results of examining the thermal and mechanical properties.
- a polyurethane was obtained in the same manner as in Example 1, except that 1 part of ligninsulfonic acid (LS) was used instead of 1 part of ML.
- LS ligninsulfonic acid
- Table 7 shows the amount of each component.
- a polyurethane foam was prepared in the same manner as in Example 4, except that a partially neutralized salt of lignosulfonic acid (LSNa) was used instead of lignosulfonic acid.
- LSNa partially neutralized salt of lignosulfonic acid
- the lignosulfonic acid partially neutralized salt has a structure in which a part of the sulfonic acid group of lignosulfonic acid is converted into a sodium salt, and exhibits water solubility and polyol solubility, and a 5% aqueous solution thereof. Has a pH of 3.5.
- ADVANTAGE OF THE INVENTION According to this invention, it is excellent in heat resistance and mechanical strength, and can also supply inexpensively the polyurethane which was excellent in moderate hardness and biodegradability.
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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)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Polyurethanes Or Polyureas (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005511314A JP3867099B2 (ja) | 2003-06-06 | 2004-06-07 | ポリウレタン及びその製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003163020 | 2003-06-06 | ||
JP2003-163020 | 2003-06-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2005003202A2 true WO2005003202A2 (ja) | 2005-01-13 |
WO2005003202A1 WO2005003202A1 (ja) | 2005-01-13 |
WO2005003202A3 WO2005003202A3 (ja) | 2005-04-14 |
Family
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007088784A1 (ja) * | 2006-01-31 | 2007-08-09 | Kaneka Corporation | ポリウレタン誘導体、その製造方法およびこれからなる生体適合性材料 |
WO2015016261A1 (ja) * | 2013-07-31 | 2015-02-05 | 三菱化学株式会社 | ポリカーボネートジオールの製造方法及びポリカーボネートジオール並びにポリウレタンの製造方法及びポリウレタン |
CN112646112A (zh) * | 2020-12-14 | 2021-04-13 | 山东一诺威新材料有限公司 | 生物基聚氨酯泡沫及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000000536A (ja) * | 1998-06-12 | 2000-01-07 | Agency Of Ind Science & Technol | 生分解性洗管材料 |
JP2001294644A (ja) * | 2000-04-10 | 2001-10-23 | Natl Inst Of Advanced Industrial Science & Technology Meti | 硬質ポリウレタンフォーム及びその製造方法 |
JP2003064147A (ja) * | 2001-02-28 | 2003-03-05 | National Institute Of Advanced Industrial & Technology | リグニン系ポリウレタン及びその製造方法 |
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000000536A (ja) * | 1998-06-12 | 2000-01-07 | Agency Of Ind Science & Technol | 生分解性洗管材料 |
JP2001294644A (ja) * | 2000-04-10 | 2001-10-23 | Natl Inst Of Advanced Industrial Science & Technology Meti | 硬質ポリウレタンフォーム及びその製造方法 |
JP2003064147A (ja) * | 2001-02-28 | 2003-03-05 | National Institute Of Advanced Industrial & Technology | リグニン系ポリウレタン及びその製造方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007088784A1 (ja) * | 2006-01-31 | 2007-08-09 | Kaneka Corporation | ポリウレタン誘導体、その製造方法およびこれからなる生体適合性材料 |
JP5363737B2 (ja) * | 2006-01-31 | 2013-12-11 | 株式会社カネカ | ポリウレタン誘導体、その製造方法およびこれからなる生体適合性材料 |
WO2015016261A1 (ja) * | 2013-07-31 | 2015-02-05 | 三菱化学株式会社 | ポリカーボネートジオールの製造方法及びポリカーボネートジオール並びにポリウレタンの製造方法及びポリウレタン |
CN112646112A (zh) * | 2020-12-14 | 2021-04-13 | 山东一诺威新材料有限公司 | 生物基聚氨酯泡沫及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN100355799C (zh) | 2007-12-19 |
JP3867099B2 (ja) | 2007-01-10 |
CN1795221A (zh) | 2006-06-28 |
WO2005003202A3 (ja) | 2005-04-14 |
JPWO2005003202A1 (ja) | 2006-08-17 |
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