Process for producing polyalkylene oxide derivatives

Claim 2

A process for producing an unsaturated group-terminated polyalkylene oxide which consists essentially of reacting a monoepoxide having at least 3 carbon atoms with an initiator selected from the group consisting of allyl alcohol and the monoepoxide adducts of polyhydric alcohols, polyhydric phenols and polycarboxylic acids, said adducts having a number average molecular weight of about 1,000, in the presence of a double metal cyanide complex catalyst to effect ring-opening addition polymerization, followed by converting the terminal hydroxyl groups of the resultant hydroxyl group terminated polyalkylene oxide to unsaturated groups wherein the hydroxyl group-terminated polyalkylene oxide obtained by the ring-opening addition polymerization of the monoepoxide is a compound having a number average molecular weight of at least 4,000 per terminal group.

Claim 3

The process according to claim 1, wherein the hydroxyl group-terminated polyalkylene oxide obtained by the ring-opening addition polymerization of the monoepoxide is a compound having more than 2 and not more than 6 terminal groups on average and a molecular weight of from 20,000 to 50,000.

Claim 4

The process according to claim 1, wherein the monoepoxide having at least 3 carbon atoms is propylene oxide.

Claim 5

The process according to claim 1, wherein the initiator is a polyhydroxy compound.

Claim 6

The process according to claim 1, wherein the initiator is an unsaturated monohydroxy compound.

Claim 7

The process according to claim 1, wherein the unsaturated group-terminated polyalkylene oxide has more than 2 terminal groups on average and at least 1.5 unsaturated groups on average.

Claim 8

The process according to claim 1, wherein all of the terminated unsaturated groups of the unsaturated group-terminated polyalkylene oxide are allyl groups.

Claim 9

A process for producing a hydrolyzable silyl group-terminated polyalkylene oxide which consists essentially of reacting a monoepoxide having at least three carbon atoms with an initiator selected from the group consisting of allyl alcohol and the monoepoxide a adducts of polyhydric alcohols, polyhydric phenols and polycarboxylic acids, said adducts having a number average molecular weight of about 1,000, in the presence of a double metal cyanide complex catalyst to effect ring-opening addition polymerization, followed by converting the terminal hydroxyl groups of the resulting hydroxyl group terminated polyalkylene oxide to unsaturated groups, and reacting a hydrosilicon compound having a hydrolyzable group to the unsaturated groups wherein the hydroxyl group-terminated polyalkylene oxide obtained by the ring opening addition polymerization of the monoepoxide is a compound having a number average molecular weight of at least 4,000 per terminal group.

Claim 10

A process for producing a hydrolyzable silyl group-terminated polyalkylene oxide which consists essentially of reacting a monoepoxide having at least three carbon atoms with an initiator selected from the group consisting of allyl alcohol and the monoepoxide a adducts of polyhydric alcohols, polyhydric phenols and polycarboxylic acids, said adducts having a number average molecular weight of about 1,000, in the presence of a double metal cyanide complex catalyst to effect ring-opening addition polymerization, followed by converting the terminal hydroxyl groups of the resulting hydroxyl group terminated polyalkylene oxide to unsaturated groups, and reacting a hydrosilicon compound having a hydrolyzable group to the unsaturated groups wherein the hydroxyl group-terminated polyalkylene oxide obtained by the ring opening addition polymerization of the monoepoxide is a compound having a number average molecular weight of at least 4,000 per terminal group.

Claim 11

The process according to claim 8, wherein the hydroxyl group-terminated polyalkylene oxide obtained by the ring-opening addition polymerization of the monoepoxide is a compound having more than 2 and at most 6 terminal groups on average and a molecular weight of from 20,000 to 50,000.

Claim 12

The process according to claim 8, wherein the monoepoxide having at least 3 carbon atoms is propylene oxide.

Claim 13

The process according to claim 8, wherein the initiator is a polyhydroxy compound.

Claim 14

The process according to claim 8, wherein the initiator is an unsaturated monohydroxy compound.

Claim 15

The process according to claim 8, wherein the unsaturated group-terminated polyalkylene oxide has more than 2 terminal groups on average and at least 1.5 unsaturated groups on average.

Claim 16

The process according to claim 8, wherein all of the terminal unsaturated groups of the unsaturated group-terminated polyalkylene oxide are all groups.

Claim 17

The process according to claim 8, wherein the hydrosilicon compound is a compound of the formula: HSiX'.sub.3-k R'.sub.k wherein R' is a monovalent hydrocarbon group or a halogenated hydrocarbon group, X' is a hydrolyzable group, and k is an integer of 0, 1 or 2.

Claim 18

The process according to claim 8, wherein the hydrolyzable silyl group-terminated polyalkylene oxide has more than two terminal groups on average and at least 1.5 hydrolyzable silyl groups on average.

Claim 19

A moisture-curable resin composition containing a hydrolyzable silyl group-terminated polyalkylene oxide produced by the process of claim 23, as a curable component.

Claim 20

The moisture-curable resin composition according to claim 17, which contains from 0.01 to 5% by weight, based on the hydrolyzable silyl group-terminated polyalkylene oxide, of a curing catalyst.

Claim 21

The process according to claim 8, wherein the hydrosilicon compound is reacted in the presence of a Group VIII transition metal catalyst.