Claims
- 1. A polyether glycol comprising the constituent unit represented by the formula (I) shown below copolymerized randomly with the constituent unit (IV) shown below, with a molar ratio of the unit (I) to the unit (IV) being 99:1 to 5:1, having an average molecular weight of 500 to 10,000, with the molecule being terminated at both ends with hydroxyl groups: ##STR15## wherein R.sub.1 and R.sub.2 are selected from the group consisting of --(CH.sub.2).sub.n -- (wherein n is an integer of 2 to 4), --CH(CH.sub.3)CH.sub.2 -- and --CH.sub.2 CH.sub.2 --O--CH.sub.2 --CH.sub.2 --, and R.sub.3 is selected from the group consisting of a hydrogen atom, alkyl groups having 1 to 4 carbon atoms and --(CH.sub.2).sub.2 --OH.
- 2. A process for producing a nitrogen containing polyether polyol which comprises copolymerizing tetrahydrofuran with a polyhydric alcohol having the structural formula ##STR16## wherein R.sub.1 and R.sub.2 are selected from the group consisting of --(CH.sub.2).sub.n -- (wherein n is an integer of 2 to 4), --CH(CH.sub.3)CH.sub.2 -- and --CH.sub.2 CH.sub.2 --O--CH.sub.2 --CH.sub.2 --, and R.sub.3 is selected from the group consisting of a hydrogen atom, alkyl groups having 1 to 4 carbon atoms, and --(CH.sub.2).sub.2 --OH,
- with the use of a heteropoly-acid and/or its salt as a catalyst, the amount of said polyhydric alcohol being less than 4-fold moles of the heteropoly-anion, and allowing 0.1 to 15 molecules of water per one heteropoly-anion to exist in the catalyst phase.
- 3. A process for producing a sulfur containing polyether polyol which comprises copolymerizing tetrahydrofuran with a polyhydroxyalkyl sulfide having the structural formula
- HO--R.sub.1 --S--R.sub.2 --OH
- wherein R.sub.1 and R.sub.2 are selected from the group consisting of --(CH.sub.2).sub.n -- (wherein n is an integer of 2 to 4), --CH(CH.sub.3)CH.sub.2 -- and --CH.sub.2 CH.sub.2 --O--CH.sub.2 CH.sub.2 -- and --CH.sub.2 CH.sub.2 --S--CH.sub.2 CH.sub.2 --,
- with the use of a heteropoly-acid and/or its salt as a catalyst, the amount of said polyhydroxyalkyl sulfide being less than 4-fold moles of the heteropoly-anion, and allowing 0.1 to 15 molecules of water per one heteropoly-anion to exist in the catalyst phase.
- 4. A process according to claim 2, wherein the catalyst is a heteropoly-acid formed by condensation of at least one oxide selected from the group consisting of Mo, W and V and an oxy-acid of the element selected from the group consisting of P, Si, As, Ge, B, Ti, Ce and Co.
- 5. A process according to claim 4, wherein the heteropoly-acid is one or a mixture of two or more compounds selected from the group consisting of 12-molybdophosphoric acid, 18-molybdo-2-phosphoric acid, 9-molybdophosphoric acid, 12-tungstophosphoric acid, 18-tungsto-2-phosphoric acid, 11-molybdo-1-vanadophosphoric acid, 12-molybdotungstophosphoric acid, 6-molybdo-6-tungstophosphoric acid, 12-molybdotungstovanadophosphoric acid, 12-tungstovanadophosphoric acid, 12-molybdosilicic acid, 12-tungstosilicic acid, 12-molybdotungstosilicic acid, 12-molybdotungstovanadosilicic acid, 12-tungstoboric acid, 12-molybdoboric acid, 12-molybdo-tungstoboric acid, 12-molybdovanadoboric acid, 12-molybdotungstovanadoboric acid, 12-tungstogermanic acid and 12-tungstoarsenic acid.
- 6. A process according to claim 2, wherein the catalyst is a heteropoly-acid formed by condensation of at least one oxide selected from the group consisting of Mo, W and V and an oxy-acid of the element selected from the group consisting of P, Si, As, Ge, B, Ti, Ce and Co.
- 7. A process according to claim 6, wherein the heteropoly-acid is one or a mixture of two or more compounds selected from the group consisting of 12-molybdo-phosphoric acid, 18-molybdo-2-phosphoric acid, 9-molybdophosphoric acid, 12-tungstophosphoric acid, 18-tungsto-2-phosphoric acid, 11-molybdo-1-vanadophosphoric acid, 12-molybdotungstophosphoric acid, 6-molybdo-6-tungstophosphoric acid, 12-molybodtungstovanadophosphoric acid, 12-tungstovanadophosphoric acid, 12-molybdosilicic acid, 12-tungstosilicic acid, 12-molybdotungstosilicic acid, 12-molybdotungstovanadosilicic acid, 12-tungstoboric acid, 12-molybdoboric acid, 12-molybdo-tungstoboric acid, 12-molybdovanadoboric acid, 12-molybdotungstovanadoboric acid, 12-tungstogermanic acid and 12-tungstoarsenic acid.
Priority Claims (5)
Number |
Date |
Country |
Kind |
59-58485 |
Mar 1984 |
JPX |
|
59-240481 |
Nov 1984 |
JPX |
|
59-244340 |
Nov 1984 |
JPX |
|
59-244345 |
Nov 1984 |
JPX |
|
60-44679 |
Mar 1985 |
JPX |
|
Parent Case Info
This is a continuation of application Ser. No. 716,656, filed Mar. 27, 1985.
US Referenced Citations (6)
Foreign Referenced Citations (2)
Number |
Date |
Country |
0126471 |
Nov 1984 |
EPX |
58-83028 |
May 1983 |
JPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
716656 |
Mar 1985 |
|