Curable polybutadiene-based resins having improved properties

An anaerobic adhesive and sealant composition having improved thermal and impact properties and curable through gaps of more than 40 mils, comprising:

• I. a polymerizable product corresponding in structure to a reaction product of:
• (a) a polybutadiene polyol or polyamine comprising about 5 to about 150 butadiene units and having at least about 70 percent of the butadiene units in the 1,4-configuration and selected from the group consisting of polybutadiene, butadiene-acrylonitrile copolymers, and,
• (b) a molar excess of a reaction product of:
• a molar excess of an aromatic or cycloaliphatic polyisocyanate with a compound selected from the group consisting of an aromatic or cycloaliphatic polyol,
• the product of (a) and (b) subsequently being reacted with a molar excess of a hydroxyalkyl acrylate, a hydroxyalkyl methacrylate, an aminoalkyl acrylate, or an aminoalkyl methacrylate;
• and
• II. a peroxy initiator.

An adhesive and sealant composition having improved thermal and impact properties and curable through gaps of more than 40 mils, comprising:

• I. a polymerizable product corresponding in structure to a reaction product of:
• (a) a polybutadiene polyol or polyamine comprising about 5 to about 150 butadiene units and having at least about 70 percent of the butadiene units in the 1,4-configuration, and,
• (b) a molar excess of a reaction product of:
• a molar excess of an aromatic or cycloaliphatic polyisocyanate with a compound selected from the group consisting of an aromatic or cycloaliphatic polyol,
• the product of (a) and (b) subsequently being reacted with a molar excess of a hydroxyalkyl methacrylate, an aminoalkyl acrylate, or an aminoalkyl methacrylate;
• and
• II. a free radical initiator.

A process for preparing an adhesive and sealant monomer having improved thermal properties and curable through gaps of more than 40 mils, comprising:

• I. reacting:
• (a) a polybutadiene polyol or polyamine comprising about 5 to about 150 butadiene units and having at least about 70 percent of the butadiene units in the 1,4-configuration and selected from the group consisting of polybutadiene, butadiene-acrylonitrile copolymers, and butadiene-styrene copolymers, and,
• (b) a molar excess of a reaction product of:
• a molar excess of an aromatic or cycloaliphatic polyisocyanate with a compound selected from the group consisting of an aromatic or cycloaliphatic polyol,
• II. the product of (a) and (b) subsequently being reacted with a molar excess of a hydroxyalkyl acrylate, a hydroxyalkyl methacrylate, an aminoalkyl acrylate, or an aminoalkyl methacrylate.

A process for sealing or adhering surfaces which comprises:

• (A) applying to at least one of said surfaces an adhesive and sealant composition having improved thermal and impact properties and curable through gaps of more than 40 mils, comprising:
• I. a polymerizable product corresponding in structure to a reaction product of:
• (a) a polybutadiene polyol or polyamine comprising about 5 to about 150 butadiene units and having at least about 70 percent of the butadiene units in the 1,4-configuration and selected from the groups consisting of polybutadiene, butadiene-acrylonitrile copolymers, and butadiene-styrene copolymers, and,
• (b) a molar excess of a reaction product of:
• a molar excess of an aromatic or cycloaliphatic polyisocyanate with a compound selected from the group consisting of an aromatic or cycloaliphatic polyol,
• the product of (a) and (b) subsequently being reacted with a molar excess of a hydroxyalkyl acrylate, a hydroxyalkyl methacrylate, an aminoalkyl acrylate, or an aminoalkyl methacrylate;
• and
• II. a peroxy free radical initiator (B) placing said surfaces in an abutting relationship until the composition has cured.