ZA951270B - Process for insulating pipes using polyurethane rigid foams by the rotational casting process - Google Patents
Process for insulating pipes using polyurethane rigid foams by the rotational casting processInfo
- Publication number
- ZA951270B ZA951270B ZA951270A ZA951270A ZA951270B ZA 951270 B ZA951270 B ZA 951270B ZA 951270 A ZA951270 A ZA 951270A ZA 951270 A ZA951270 A ZA 951270A ZA 951270 B ZA951270 B ZA 951270B
- Authority
- ZA
- South Africa
- Prior art keywords
- mol
- rotational casting
- rigid foams
- polyurethane rigid
- insulating pipes
- 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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6614—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6622—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
- B29C41/042—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry
-
- 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
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
-
- 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
- C08G18/3271—Hydroxyamines
- C08G18/3296—Hydroxyamines being in latent form
-
- 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
- C08J9/12—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 physical blowing agent
- C08J9/14—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 physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
-
- 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
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
- B29L2023/225—Insulated
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Thermal Insulation (AREA)
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4405061A DE4405061A1 (de) | 1994-02-17 | 1994-02-17 | Verfahren zur Isolierung von Rohren mit Polyurethan-Hartschaumstoffen nach dem Rotationsgußverfahren |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA951270B true ZA951270B (en) | 1995-10-22 |
Family
ID=6510484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA951270A ZA951270B (en) | 1994-02-17 | 1995-02-16 | Process for insulating pipes using polyurethane rigid foams by the rotational casting process |
Country Status (17)
Country | Link |
---|---|
US (1) | US5587117A (ko) |
EP (1) | EP0668306B1 (ko) |
JP (1) | JPH07241858A (ko) |
KR (1) | KR100329132B1 (ko) |
AT (1) | ATE167883T1 (ko) |
AU (1) | AU683970B2 (ko) |
BR (1) | BR9500651A (ko) |
CA (1) | CA2142406A1 (ko) |
DE (2) | DE4405061A1 (ko) |
DK (1) | DK0668306T3 (ko) |
ES (1) | ES2118455T3 (ko) |
FI (1) | FI950667A (ko) |
GR (1) | GR3027664T3 (ko) |
NO (1) | NO306785B1 (ko) |
RU (1) | RU2144052C1 (ko) |
UA (1) | UA27147C2 (ko) |
ZA (1) | ZA951270B (ko) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5789451A (en) * | 1996-07-29 | 1998-08-04 | The Dow Chemcial Company | Alkanolamine/carbon dioxide adduct and polyurethane foam therewith |
DE29615423U1 (de) * | 1996-09-05 | 1997-02-20 | BRUGG Rohrsysteme GmbH, 31515 Wunstorf | Wärmeisoliertes Leitungsrohr |
US7074844B2 (en) * | 2000-03-17 | 2006-07-11 | Yamaha Corporation | Adhesives |
DE20011306U1 (de) | 2000-06-27 | 2000-12-28 | BRUGG Rohrsysteme GmbH, 31515 Wunstorf | Flexibles wärmeisoliertes Leitungsrohr |
FR2816030B1 (fr) * | 2000-10-27 | 2003-05-16 | Atofina | Utilisation d'une composition d'isolation thermique pour l'isolation de canalisations contenues dans une conduite de transfert de produits petroliers |
US6634390B2 (en) | 2000-12-21 | 2003-10-21 | Peter R. Toth | Insulation cover |
DE10318836A1 (de) * | 2003-04-25 | 2004-11-11 | Voith Paper Patent Gmbh | Verfahren zur Beschichtung eines zylindrischen Körpers |
GB0313275D0 (en) * | 2003-06-09 | 2003-07-16 | Wood Ltd E | Renovating water pipelines |
GB2399305B (en) * | 2003-06-09 | 2006-02-22 | Wood Ltd E | Pipe renovating method |
US6989061B2 (en) * | 2003-08-22 | 2006-01-24 | Kastalon, Inc. | Nozzle for use in rotational casting apparatus |
US7270711B2 (en) * | 2004-06-07 | 2007-09-18 | Kastalon, Inc. | Nozzle for use in rotational casting apparatus |
US7041171B2 (en) * | 2003-09-10 | 2006-05-09 | Kastalon, Inc. | Nozzle for use in rotational casting apparatus |
ES2309733T5 (es) * | 2004-03-11 | 2013-02-11 | Dow Global Technologies Llc | Espumas rígidas de poliuretano con alta reactividad, para unión |
US7824595B2 (en) * | 2004-08-13 | 2010-11-02 | Perma-Pipe, Inc. | Method and system for cast molding a fluid conduit |
US7714030B2 (en) * | 2005-09-15 | 2010-05-11 | Dow Global Technologies Inc. | Attached, high reactivity rigid polyurethane foams containing oxazolidone groups |
DE102006020897A1 (de) * | 2006-05-05 | 2007-11-08 | Voith Patent Gmbh | PU-Walze |
US20080072988A1 (en) * | 2006-08-22 | 2008-03-27 | Perma-Pipe, Inc. | Glass Syntactic Polyurethane Insulated Product |
DE102007042781A1 (de) * | 2007-09-07 | 2009-03-12 | Voith Patent Gmbh | PU-Walze |
DE102009013872B4 (de) * | 2009-03-17 | 2018-02-22 | Oleksandr Gitelman | Verfahren und Vorrichtung zur Wärme- und Feuchtigkeitsisolierung von Medienrohren mit einem sekundären Polyamidschaum |
BR112013000367A2 (pt) | 2010-07-08 | 2017-05-16 | Dow Global Technologies Llc | método para vedar ou isolar uma peça de veículo ou um painel de isolamento térmico, composição de poliisocianato e espuma |
DE102011078768A1 (de) | 2011-07-07 | 2013-01-10 | Bayer Materialscience Aktiengesellschaft | Verfahren zum Ausfüllen von Hohl- und Zwischenräumen mit duroplastischen Polyurethanschaumstoffen |
EP2736694B1 (en) | 2011-07-26 | 2019-07-10 | Dow Global Technologies LLC | Method for filling hollow cavities with polymer foam |
US10208154B2 (en) * | 2016-11-30 | 2019-02-19 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Formulations for chemical mechanical polishing pads and CMP pads made therewith |
CN109679130B (zh) * | 2017-10-19 | 2021-09-07 | 山东理工大学 | 包含六氟丁烯和有机醇胺盐化合物的复合发泡剂 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3797981A (en) * | 1969-04-10 | 1974-03-19 | Shell Oil Co | Apparatus for continuously producing tubular foamed polyurethane insulation |
US3635908A (en) * | 1969-11-10 | 1972-01-18 | Basf Wyandotte Corp | Process of preparing polyurethane-urea thermoplastic products base on a polyamine carbamate as chain extender |
AU3752771A (en) * | 1971-01-05 | 1973-07-05 | Dunlop Australia Limited | Cellular polymers |
JPS5137111B2 (ko) * | 1972-06-13 | 1976-10-13 | ||
JPS4952265A (ko) * | 1972-09-19 | 1974-05-21 | ||
US4189544A (en) * | 1979-02-21 | 1980-02-19 | The Upjohn Company | Polyisocyanurate polymers prepared using carbamate modifier |
US4371629A (en) * | 1980-09-29 | 1983-02-01 | Texaco Inc. | Preparation of a semiflexible energy management polyether polyurethane foam using as a crosslinker-surfactant an ethylene oxide adduct of a Mannich condensate prepared from the reaction of nonyl phenol, diethanolamine and formaldehyde |
SE434815B (sv) * | 1982-02-23 | 1984-08-20 | Lindab Nord Ab | Sett for framstellning av isolerade rorledningsdetaljer |
JPS58183229A (ja) * | 1982-04-20 | 1983-10-26 | Kubota Ltd | 管外周面への断熱層の形成方法 |
DE3242925A1 (de) * | 1982-11-20 | 1984-05-24 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von mikrozellularen formkoerpern |
DE3312215A1 (de) * | 1983-04-05 | 1984-10-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung eines zelligen polyurethans |
DE3333464A1 (de) * | 1983-09-16 | 1985-04-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von mikrozellularen oder geschaeumten formkoerpern und zur durchfuehrung dieses verfahrens geeignete verbindungen mit gegenueber isocyanatgruppen reaktionsfaehigen gruppen |
DE3607964A1 (de) * | 1986-03-11 | 1987-09-17 | Bayer Ag | Verfahren zur herstellung eines zelligen polyurethans |
US5089561A (en) * | 1986-05-16 | 1992-02-18 | American Cyanamid Company | Alkylcarbamylmethylated aminotriazine crosslinking agents and curable compositions containing the same |
DE4118362A1 (de) * | 1991-06-05 | 1992-12-10 | Bayer Ag | Verfahren zur isolierung von rohren |
-
1994
- 1994-02-17 DE DE4405061A patent/DE4405061A1/de not_active Withdrawn
-
1995
- 1995-02-03 US US08/382,813 patent/US5587117A/en not_active Expired - Fee Related
- 1995-02-06 DK DK95101557T patent/DK0668306T3/da active
- 1995-02-06 ES ES95101557T patent/ES2118455T3/es not_active Expired - Lifetime
- 1995-02-06 AT AT95101557T patent/ATE167883T1/de not_active IP Right Cessation
- 1995-02-06 DE DE59502661T patent/DE59502661D1/de not_active Expired - Fee Related
- 1995-02-06 EP EP95101557A patent/EP0668306B1/de not_active Expired - Lifetime
- 1995-02-13 CA CA002142406A patent/CA2142406A1/en not_active Abandoned
- 1995-02-13 AU AU12214/95A patent/AU683970B2/en not_active Ceased
- 1995-02-15 JP JP7049283A patent/JPH07241858A/ja active Pending
- 1995-02-15 FI FI950667A patent/FI950667A/fi unknown
- 1995-02-16 ZA ZA951270A patent/ZA951270B/xx unknown
- 1995-02-16 KR KR1019950002868A patent/KR100329132B1/ko not_active IP Right Cessation
- 1995-02-16 NO NO950579A patent/NO306785B1/no not_active IP Right Cessation
- 1995-02-16 BR BR9500651A patent/BR9500651A/pt not_active IP Right Cessation
- 1995-02-17 UA UA95028165A patent/UA27147C2/uk unknown
- 1995-02-17 RU RU95102317/04A patent/RU2144052C1/ru not_active IP Right Cessation
-
1998
- 1998-08-17 GR GR980401843T patent/GR3027664T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
NO306785B1 (no) | 1999-12-20 |
ES2118455T3 (es) | 1998-09-16 |
US5587117A (en) | 1996-12-24 |
DK0668306T3 (da) | 1999-02-15 |
RU95102317A (ru) | 1996-11-20 |
UA27147C2 (uk) | 2000-02-28 |
NO950579L (no) | 1995-08-18 |
EP0668306A1 (de) | 1995-08-23 |
KR100329132B1 (ko) | 2002-09-09 |
CA2142406A1 (en) | 1995-08-18 |
GR3027664T3 (en) | 1998-11-30 |
EP0668306B1 (de) | 1998-07-01 |
AU683970B2 (en) | 1997-11-27 |
FI950667A (fi) | 1995-08-18 |
NO950579D0 (no) | 1995-02-16 |
AU1221495A (en) | 1995-08-24 |
KR950032355A (ko) | 1995-12-20 |
DE4405061A1 (de) | 1995-08-24 |
BR9500651A (pt) | 1995-10-31 |
RU2144052C1 (ru) | 2000-01-10 |
FI950667A0 (fi) | 1995-02-15 |
ATE167883T1 (de) | 1998-07-15 |
DE59502661D1 (de) | 1998-08-06 |
JPH07241858A (ja) | 1995-09-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA951270B (en) | Process for insulating pipes using polyurethane rigid foams by the rotational casting process | |
MY130513A (en) | Process for preparing a flexible polyurethane foam | |
CA2084807A1 (en) | Polyurethane foams | |
CA2292510A1 (en) | Method for producing closed-cell rigid polyurethane foams having low thermal conductivity | |
DK525288A (da) | Fremgangsmaade til fremstilling af polyurethanskum | |
PL326779A1 (en) | Method of obtaining flexible soft foamed polyurethane materials | |
GR3025712T3 (en) | Composites for coding containers comprising a dimensionally stable water-blown polyurethane foam by employing lithium salts and a method for its preparation. | |
MY132361A (en) | Process for preparing a flexible polyurethane foam | |
DK0731120T3 (da) | Fremgangsmåde til fremstilling af højelastiske polyurethanskumstoffer | |
TW336240B (en) | A method of producing rigid foamed plastics containing urethane groups | |
ATE177457T1 (de) | Verfahren zur herstellung von zelligen polyurethanen | |
NZ244115A (en) | Production of polyurethane foam from a polyisocyanate and a polyol with water as blowing agent | |
JPS5598218A (en) | Production of polyol composition and foam | |
ATE284915T1 (de) | Verfahren zur herstellung von polyurethan- weichschaumstoffen mit niedriger dichte | |
MX9706139A (es) | Procedimiento para la produccion de una espuma de poliuretano rigida y una composicion para la produccion de una espuma de poliuretano rigida. | |
PT88558A (pt) | Processo para a preparacao de espumas de poliuretano |