Moisture curable adhesive

A moisture curable adhesive, comprising:

• a) a polymer or copolymer having reactive silicon end groups;
• b) from about 0.01 to about 50 percent by weight of a blend of fumed amorphous silica fillers one having a surface area of 50 m2/gram and another one having a surface area of 110 m2/gram;
• and
• c) from about 0.01 to about 10 percent by weight of a dehydrating agent;
• and
• d) where the viscosity of the adhesive is in the range of 1,000 to about 200,000 centipoise.

A moisture curable adhesive, comprising:

• a) polymer selected from polyalkyl oxide;
• polyalkane, alkene, alkyne;
• polymers of styrene, or polymers of acrylics and having reactive silicon end groups;
• b) from about 0.01 to about 50 percent by weight of a blend of clear fillers selected from:
• i) fumed silica with a surface area of less than 150 m2/gram, and ii) a clear filler having a surface area from 75 to less than 250 m2/gram;
• and
• c) from about 0.01 to about 10 percent by weight of a dehydrating agent;
• and
• wherein the moisture curable adhesive has a viscosity from about 1,000 to about 200,000 centipoise and a glass transition temperature of less than −20° C., and a service temperature range of about −60° C. to about 160° C.

A moisture curable adhesive, comprising:

• a) polymer or copolymer selected from polyalkyl oxide;
• polyalkane, alkene, alkyne;
• polymers of styrene, or polymers of acrylics and having reactive silicon end groups of silyl end groups from triethoxysilane, methyldiethoxysilane, trisilanol, or combinations thereof;
• b) about 5 to about 90 weight percent of a filler having fumed silica with a surface area of less than 250 m2/gram;
• c) about 0.01 to about 10 percent by weight of a dehydrating agent;
• d) about 0.01 to about 2.5 percent by weight of a catalyst, and
• wherein the moisture curable adhesive has a viscosity from about 1,000 to about 500,000 centipoise and a glass transition temperature of less than −20° C., and a service temperature range of about −60° C. to about 160° C.

A clear moisture curable adhesive, comprising:

• b) about 50 to about 90 percent by weight polymer or copolymer from polyalkyl oxide;
• polyalkane, polyalkene, polyalkyne;
• polymers of alkyl monomers of styrene, or polymers of acrylics and having reactive silicon end groups from triethoxysilane, methyldiethoxysilane, trisilanol, or combinations thereof;
• c) about 5 to about 50 weight percent of a filler having fumed silica with a surface area of less than 250 m2/gram;
• wherein the filler has an index of refraction that is within about 30% of that of the adhesive;
• d) about 0.01 to about 10 percent by weight of a dehydrating agent;
• e) about 0.01 to about 2.5 percent by weight of a catalyst, and
• wherein the moisture curable adhesive has a viscosity from about 1,000 to about 500,000 centipoise and a glass transition temperature of less than −20° C.

A moisture curable adhesive, comprising:

• a) a polymer or copolymer having reactive silicon end groups;
• b) from about 0.01 to about 50 percent by weight of a blend of clear fillers that will not substantially interfere with the production of clear adhesive where one of the fillers of the blend has a surface area of 50 m2/gram and another filler of the blend has a surface area of 110 m2/gram;
• and
• c) from about 0.01 to about 10 percent by weight of a dehydrating agent;
• and wherein the moisture curable adhesive has a viscosity from about 1,000 to about 200,000 centipoise and a glass transition temperature of less than −20° C., and a service temperature range of about −60° C. to about 160° C.