Laminating adhesive having silane cross-linking
An adhesive, silane-based technology, applied in the direction of adhesive types, polyether adhesives, ester copolymer adhesives, etc., can solve problems such as bubbles in adhesive films
Inactive Publication Date: 2012-07-18
HENKEL KGAA
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
When such adhesives are prepared on the basis of polyurethane, crosslinking is fast, however, due to the need for fast-reacting NCO groups, bubbles occur to a greater extent in the adhesive film
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0090] Comparative Test 2: Example 1, without filler.
[0091] Adhesives are used to bond various film substrates. The substrates were cured at room temperature and the breaking strength was measured at daily intervals.
[0092]
[0093]
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The invention relates to a one-component, moisture-curable adhesive comprising at least one polyoxyalkylene and / or poly(methyl)acrylate pre-polymer having at least one hydrolyzable silane group, at least one filler material and auxiliary materials and additives, wherein the pre-polymer has a molecular weight from 4,000 to 40,000 g / mol and the adhesive has a viscosity of 200 to 10,000 mPas.
Description
technical field [0001] The invention relates to one-component adhesives which are based on silane-functionalized prepolymers and which can be applied in a flowable manner. They are expected to be clear and capable of curing without generating bubbles. The invention also relates to multilayer films comprising, as laminating adhesive layers, crosslinking adhesives based on said silane-functionalized prepolymers. Background technique [0002] Moisture-curing elastic adhesives and sealants are used industrially in many fields. In this case, it is desirable that these adhesives be able to be applied on different substrates without pretreatment with primers or physical methods such as corona treatment or plasma treatment. Such adhesives and sealants based on reactive polyurethane prepolymers are known. During production, they usually still contain small amounts of monomeric isocyanate. However, in terms of health, it is unpleasant. Furthermore, PU-based adhesives often clearl...
Claims
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IPC IPC(8): C09J201/10C09J133/12C09J171/02C09J175/04C09J11/04C08J5/12C08G18/10C08G18/12C08G18/62C08G18/71C08G65/336
CPCC09J201/10C08J2333/12C08J5/128C09J171/02C08G2650/36C08G65/336C09J175/04C08L43/04C09J143/04C08G18/4825C08G18/62C08G18/10C08J2371/02C09J163/00C08G18/718C08G18/12C08G18/289C08L33/06C08G18/307C09J5/00C09J133/12Y10T428/24802Y10T428/2804Y10T428/2848Y10T428/2891
Inventor L·灿德尔P·根特舍韦H-G·金策尔曼S·施特伦普夫N·迪特格斯J·克莱因
Owner HENKEL KGAA