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Composition based on silane-terminated polymers

A composition and polymer technology, applied in the direction of polyurea/polyurethane adhesive, adhesive type, adhesive, etc., can solve the problem of reducing the curing reactivity of the composition

Active Publication Date: 2014-11-26
SIKA TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] On the contrary, the disadvantage of this composition is that the curing reactivity of the composition is significantly reduced due to the use of titanates compared to organotin compounds

Method used

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  • Composition based on silane-terminated polymers
  • Composition based on silane-terminated polymers
  • Composition based on silane-terminated polymers

Examples

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Embodiment

[0131] Examples are described below, which explain the present invention in more detail. The invention is of course not limited to the described embodiments.

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Abstract

Composition comprises (a) at least one silane-functional polymer, (b) 0.01-0.15 wt.% at least one organotin compound, and (c) 0.05-1 wt.% at least one titanate. An independent claim is also included for a cured composition obtainable from the above composition after curing with water.

Description

technical field [0001] The present invention relates to moisture-curing compositions based on silane-functional polymers, which are suitable as adhesives, sealants or coatings. Background technique [0002] Moisture-curing compositions based on silane-functional polymers are known and have long been used as elastic adhesives, sealants and coatings. [0003] Organotin compounds are particularly suitable as catalyst systems or accelerator systems for the crosslinking of compositions comprising silane-functional polymers under the action of water. The use of titanates is also known for this purpose. [0004] It has been found that systems cured with titanates have superior mechanical properties over systems with organotin compounds, which is often a clear advantage. [0005] On the contrary, such compositions have the disadvantage that the curing reactivity of the composition is significantly reduced by the use of titanates compared to organotin compounds. Contents of the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K5/57
CPCC08K5/0091C08L75/04C08K5/57C08G18/4825C08G18/10C08G18/755C09J175/04C08L101/10C08G18/289
Inventor D·鲁茨G·阿扎姆金
Owner SIKA TECH AG