RU2003105834A - METHOD FOR PRODUCING POLYURETHANE MATERIAL - Google Patents

METHOD FOR PRODUCING POLYURETHANE MATERIAL

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Publication number
RU2003105834A
RU2003105834A RU2003105834/04A RU2003105834A RU2003105834A RU 2003105834 A RU2003105834 A RU 2003105834A RU 2003105834/04 A RU2003105834/04 A RU 2003105834/04A RU 2003105834 A RU2003105834 A RU 2003105834A RU 2003105834 A RU2003105834 A RU 2003105834A
Authority
RU
Russia
Prior art keywords
isocyanate
polyisocyanate
diphenylmethanediisocyanate
polyol
reactive
Prior art date
Application number
RU2003105834/04A
Other languages
Russian (ru)
Other versions
RU2268270C2 (en
Inventor
Герхард Йозеф БЛЭЙС
Эрик ХЕЙГЕНС
Аня ВАНХАЛЛЕ
Original Assignee
Хантсмэн Интернэшнл Ллс
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from EP00116582A external-priority patent/EP1178063A1/en
Application filed by Хантсмэн Интернэшнл Ллс filed Critical Хантсмэн Интернэшнл Ллс
Publication of RU2003105834A publication Critical patent/RU2003105834A/en
Application granted granted Critical
Publication of RU2268270C2 publication Critical patent/RU2268270C2/en

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Claims (5)

1. Способ получения полиуретанового материала, имеющего температуру стеклования не ниже 25°С, включающий взаимодействие полиизоцианата и реакционноспособной к изоцианату композиции необязательно в присутствии воды в количестве менее чем 5 мас.% из расчета на описанную ниже реакционноспособную к изоцианату композицию, где взаимодействие проводят при изоцианатном индексе от 80 до 140, полиизоцианат состоит из а) 80-100 мас.% дифенилметандиизоцианата, содержащего, по меньшей мере, 40 мас.% 4,4’-дифенилметандиизоцианата и/или варианта указанного дифенилметандиизоциата, который (вариант) представляет собой жидкость при 25°С и имеет NCO-индекс, по меньшей мере, 20 мас.% (полиизоцианат а), и b) 20-0 мас.% другого полиизоцианата (полиизоцианат b), и где реакционноспособная к изоцианату композиция состоит из а) 80-100 мас.% простого полиэфирполиола, имеющего среднюю номинальную функциональность 3-8, среднюю эквивалентную массу 200-2000, среднюю молекулярную массу 600-8000, содержание оксиэтилена (ОЭ) 50-100% и содержание первичных гидроксильных групп 70-100% из расчета на число первичных и вторичных гидроксильных групп в полиоле, b) реакционноспособного к изоцианату удлинителя цепи и/или сшивающего агента в таком количестве, что отношение блоков жесткости составляет 0,60 или более, и с) 20-0 мас.% одного или нескольких других реакционноспособных к изоцианату соединений, исключая воду, причем количество полиола а) и реакционноспособного к изоцианату соединения с) рассчитано на общее количество такого полиола а) и соединения с).1. A method of producing a polyurethane material having a glass transition temperature of at least 25 ° C., comprising reacting a polyisocyanate and an isocyanate-reactive composition optionally in the presence of water in an amount of less than 5 wt.% Based on the isocyanate-reactive composition described below, wherein the reaction is carried out at isocyanate index from 80 to 140, the polyisocyanate consists of a) 80-100 wt.% diphenylmethanediisocyanate containing at least 40 wt.% 4,4'-diphenylmethanediisocyanate and / or a variant of the specified di enylmethanediisociate, which (option) is a liquid at 25 ° C and has an NCO index of at least 20 wt.% (polyisocyanate a), and b) 20-0 wt.% of another polyisocyanate (polyisocyanate b), and where isocyanate-reactive composition consists of a) 80-100 wt.% simple polyether polyol having an average nominal functionality of 3-8, an average equivalent weight of 200-2000, an average molecular weight of 600-8000, an oxyethylene (OE) content of 50-100% and a content primary hydroxyl groups 70-100% based on the number of primary and secondary hydroxyl groups pp in the polyol, b) an isocyanate-reactive chain extender and / or a crosslinking agent in such an amount that the ratio of stiffening blocks is 0.60 or more, and c) 20-0 wt.% of one or more other isocyanate-reactive compounds, excluding water, and the amount of polyol a) and isocyanate-reactive compound c) is calculated on the total amount of such polyol a) and compound c). 2. Способ по п.1, где материал имеет температуру стеклования не ниже 60°С, дифенилметандиизоцианат включает, по меньшей мере, 85 мас.% 4,4’-дифенилметандиизоцианата и/или вариант указанного диизоцианата, и этот вариант является жидким при 25°С и имеет NCO-индекс, по меньшей мере, 20 мас.%, содержание оксиэтилена в простом полиэфирполиоле составляет 75-100 мас.% и отношение блоков жесткости составляет, по меньшей мере, 0,65.2. The method according to claim 1, where the material has a glass transition temperature of at least 60 ° C, diphenylmethanediisocyanate includes at least 85 wt.% 4,4'-diphenylmethanediisocyanate and / or a variant of the specified diisocyanate, and this option is liquid at 25 ° C and has an NCO index of at least 20 wt.%, The oxyethylene content of the polyether polyol is 75-100 wt.% And the ratio of the stiffness blocks is at least 0.65. 3. Способ по пп.1 и 2, где материал имеет плотность более чем 500 кг/м3.3. The method according to claims 1 and 2, where the material has a density of more than 500 kg / m 3 . 4. Способ по пп.1-3, где изоцианатный индекс равен 90-110.4. The method according to claims 1 to 3, where the isocyanate index is 90-110. 5. Материал, изготовленный в соответствии со способом по пп.1-4.5. Material made in accordance with the method according to claims 1 to 4.
RU2003105834/04A 2000-08-01 2001-06-25 Method for preparing polyurethane material RU2268270C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00116582A EP1178063A1 (en) 2000-08-01 2000-08-01 Process for preparing a polyurethane material
EP00116582.8 2000-08-01

Publications (2)

Publication Number Publication Date
RU2003105834A true RU2003105834A (en) 2004-08-10
RU2268270C2 RU2268270C2 (en) 2006-01-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003105834/04A RU2268270C2 (en) 2000-08-01 2001-06-25 Method for preparing polyurethane material

Country Status (20)

Country Link
US (1) US6806342B2 (en)
EP (2) EP1178063A1 (en)
JP (1) JP4953544B2 (en)
KR (1) KR100730670B1 (en)
CN (1) CN100369948C (en)
AR (1) AR030089A1 (en)
AT (1) ATE308576T1 (en)
AU (2) AU8577701A (en)
BR (1) BR0112898B1 (en)
CA (1) CA2417267C (en)
CZ (1) CZ298395B6 (en)
DE (1) DE60114633T2 (en)
ES (1) ES2247161T3 (en)
MX (1) MXPA03000667A (en)
PL (1) PL365156A1 (en)
RU (1) RU2268270C2 (en)
SI (1) SI1305354T1 (en)
TW (1) TWI257934B (en)
WO (1) WO2002010249A1 (en)
ZA (1) ZA200300295B (en)

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