The present invention provides recyclable copper clad laminates (CCLs) each including copper foil and a recyclable/degradable fiber composition, and printed circuit boards that are made of or include the CCLs of this invention. Also provided are method for recycling these CCLs and printed circuit boards.
B32B 15/092 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising epoxy resins
B32B 27/26 - Layered products essentially comprising synthetic resin characterised by the use of special additives using curing agents
H05K 3/00 - Apparatus or processes for manufacturing printed circuits
C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
B32B 19/02 - Layered products essentially comprising natural mineral fibres or particles, e.g. asbestos, mica bonded with or embedded in a plastic substance
B32B 19/04 - Layered products essentially comprising natural mineral fibres or particles, e.g. asbestos, mica next to another layer of a specific substance
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
2.
Curing agents and degradable polymers and composites based thereon
The present invention provides, among others, compounds of Formula (I) or a salt thereof, methods for making these compounds, degradable polymers and reinforced composites made therefrom, and methods for degrading and/or recycling the degradable polymers and reinforced composites.
C07C 235/00 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
C07C 235/08 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
C07C 243/00 - Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
C07C 243/24 - Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids
C07C 243/26 - Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms
C07C 243/28 - Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms to hydrogen atoms or to carbon atoms of a saturated carbon skeleton
C07C 243/38 - Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to carbon atoms of six-membered aromatic rings
C07C 217/84 - Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring the oxygen atom of at least one of the etherified hydroxy groups being further bound to an acyclic carbon atom
C08J 11/16 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
C08J 11/26 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing carboxylic acid groups, their anhydrides or esters
C07C 201/12 - Preparation of nitro compounds by reactions not involving the formation of nitro groups
C07C 213/02 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
C08J 11/16 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
C08J 11/26 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing carboxylic acid groups, their anhydrides or esters
C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material
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