GB1508317A - Process for the production of elastomeric polyurethane ureas - Google Patents
Process for the production of elastomeric polyurethane ureasInfo
- Publication number
- GB1508317A GB1508317A GB2008275A GB2008275A GB1508317A GB 1508317 A GB1508317 A GB 1508317A GB 2008275 A GB2008275 A GB 2008275A GB 2008275 A GB2008275 A GB 2008275A GB 1508317 A GB1508317 A GB 1508317A
- Authority
- GB
- United Kingdom
- Prior art keywords
- extruder
- kneading
- prepolymer
- reaction mixture
- elastomeric polyurethane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920003226 polyurethane urea Polymers 0.000 title abstract 3
- 238000004898 kneading Methods 0.000 abstract 5
- 239000011541 reaction mixture Substances 0.000 abstract 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical group NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 125000005442 diisocyanate group Chemical group 0.000 abstract 2
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Chemical group 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 125000004427 diamine group Chemical group 0.000 abstract 1
- 150000004985 diamines Chemical class 0.000 abstract 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
-
- 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
- C08G18/0895—Manufacture of polymers by continuous processes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742423764 DE2423764C3 (de) | 1974-05-16 | 1974-05-16 | Verfahren zur kontinuierlichen Herstellung von elastomeren Polyurethanharnstoffen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1508317A true GB1508317A (en) | 1978-04-19 |
Family
ID=5915715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2008275A Expired GB1508317A (en) | 1974-05-16 | 1975-05-13 | Process for the production of elastomeric polyurethane ureas |
Country Status (12)
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250292A (en) | 1978-09-30 | 1981-02-10 | Bayer Aktiengesellschaft | Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine |
| US4261946A (en) | 1978-12-16 | 1981-04-14 | Bayer Aktiengesellschaft | Process for the production of thermoplastic polymer by introducing thermoplastic polymer into an extruder and adding organic polyisocyanate and chain lengthening agent |
| US4595709A (en) * | 1980-04-23 | 1986-06-17 | Bayer Aktiengesellschaft | Process for the production of isocyanate polyaddition products |
| US5360885A (en) * | 1992-02-03 | 1994-11-01 | Bayer Aktiengesellschaft | Process for the continuous production of polyurethane and polyurethane urea elastomers |
| US5942593A (en) * | 1994-08-11 | 1999-08-24 | Bayer Aktiengesellschaft | Cycloaliphatic thermoplastic polyurethane elastomers |
| EP1361234A1 (de) * | 2002-05-10 | 2003-11-12 | Degussa AG | Verfahren zur lösemittelfreien, kontinuierlichen Herstellung von Polyharnstoffen |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610980B2 (de) * | 1976-03-16 | 1978-01-12 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen herstellung von thermoplastischen polyurethan-elastomeren |
| DE2925944A1 (de) | 1979-06-27 | 1981-01-22 | Bayer Ag | Verfahren zur herstellung von polyurethanharnstoffen |
| JPS6359531A (ja) * | 1986-08-29 | 1988-03-15 | 花王株式会社 | ポリウレタン積層体の製造法 |
| DE4437586A1 (de) | 1994-10-20 | 1996-04-25 | Basf Schwarzheide Gmbh | Verfahren zur Herstellung von thermoplastischen Polyurethanen |
| DK0931640T3 (da) * | 1998-01-23 | 2003-08-25 | Kloeckner Desma Schuhmaschinen | Brug af et apparat til skudvis blanding og udtømning af i formhulrummet i en sprøjtestøbemaskine reagerende og udhærdende flerkomponent-formstof |
| GB0812864D0 (en) | 2008-07-15 | 2008-08-20 | Cxr Ltd | Coolign anode |
| US8094784B2 (en) | 2003-04-25 | 2012-01-10 | Rapiscan Systems, Inc. | X-ray sources |
| US9208988B2 (en) | 2005-10-25 | 2015-12-08 | Rapiscan Systems, Inc. | Graphite backscattered electron shield for use in an X-ray tube |
| DE102005004967A1 (de) * | 2005-02-03 | 2006-08-10 | Basf Ag | Verfahren zur kontinuierlichen Herstellung thermoplastisch verarbeitbarer Polyurethan-Elastomere |
| WO2013030148A1 (de) | 2011-08-29 | 2013-03-07 | Bayer Intellectual Property Gmbh | Hydrophile thermoplastische polyurethane und deren verwendung für die medizintechnik |
| WO2013083511A1 (de) | 2011-12-06 | 2013-06-13 | Bayer Intellectual Property Gmbh | Tcd-alkohol-basierende thermoplastische polyurethanharnstoff-polymere und deren verwendung |
| EP3439846A1 (en) | 2016-04-06 | 2019-02-13 | Zzyzx Polymers LLC | Processable polymers and methods of making and using |
-
1974
- 1974-05-16 DE DE19742423764 patent/DE2423764C3/de not_active Expired
-
1975
- 1975-05-09 CA CA226,589A patent/CA1063291A/en not_active Expired
- 1975-05-13 GB GB2008275A patent/GB1508317A/en not_active Expired
- 1975-05-14 ES ES437684A patent/ES437684A1/es not_active Expired
- 1975-05-14 IT IT4958675A patent/IT1035720B/it active
- 1975-05-14 LU LU72469A patent/LU72469A1/xx unknown
- 1975-05-15 DK DK214175A patent/DK214175A/da unknown
- 1975-05-15 IE IE108875A patent/IE41241B1/xx unknown
- 1975-05-15 NL NL7505741A patent/NL170743C/xx not_active IP Right Cessation
- 1975-05-15 BE BE156388A patent/BE829120A/xx not_active IP Right Cessation
- 1975-05-16 JP JP5755775A patent/JPS5546408B2/ja not_active Expired
- 1975-05-16 FR FR7515489A patent/FR2271247B1/fr not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250292A (en) | 1978-09-30 | 1981-02-10 | Bayer Aktiengesellschaft | Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine |
| US4261946A (en) | 1978-12-16 | 1981-04-14 | Bayer Aktiengesellschaft | Process for the production of thermoplastic polymer by introducing thermoplastic polymer into an extruder and adding organic polyisocyanate and chain lengthening agent |
| US4595709A (en) * | 1980-04-23 | 1986-06-17 | Bayer Aktiengesellschaft | Process for the production of isocyanate polyaddition products |
| US5360885A (en) * | 1992-02-03 | 1994-11-01 | Bayer Aktiengesellschaft | Process for the continuous production of polyurethane and polyurethane urea elastomers |
| US5942593A (en) * | 1994-08-11 | 1999-08-24 | Bayer Aktiengesellschaft | Cycloaliphatic thermoplastic polyurethane elastomers |
| EP1361234A1 (de) * | 2002-05-10 | 2003-11-12 | Degussa AG | Verfahren zur lösemittelfreien, kontinuierlichen Herstellung von Polyharnstoffen |
| US7129313B2 (en) | 2002-05-10 | 2006-10-31 | Degussa Ag | Process for the solvent-free, continuous preparation of polyureas |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7505741A (nl) | 1975-11-18 |
| JPS50159590A (enrdf_load_stackoverflow) | 1975-12-24 |
| IT1035720B (it) | 1979-10-20 |
| DE2423764C3 (de) | 1979-10-18 |
| FR2271247B1 (enrdf_load_stackoverflow) | 1980-02-08 |
| ES437684A1 (es) | 1977-02-01 |
| BE829120A (fr) | 1975-11-17 |
| DE2423764B2 (de) | 1979-02-22 |
| JPS5546408B2 (enrdf_load_stackoverflow) | 1980-11-22 |
| IE41241B1 (en) | 1979-11-21 |
| NL170743C (nl) | 1982-12-16 |
| NL170743B (nl) | 1982-07-16 |
| DE2423764A1 (de) | 1975-11-27 |
| DK214175A (da) | 1975-11-17 |
| IE41241L (en) | 1975-11-16 |
| LU72469A1 (enrdf_load_stackoverflow) | 1976-03-17 |
| CA1063291A (en) | 1979-09-25 |
| FR2271247A1 (enrdf_load_stackoverflow) | 1975-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19950512 |