The present invention concerns functionalized photoreactive compounds of formula (I), that are particularly useful in materials for the alignment of liquid crystals. Due to the adjunction of an electron withdrawing group to specific molecular systems bearing an unsaturation directly attached to two unsaturated ring systems, exceptionally high photosensitivities, excellent alignment properties as well as good mechanical robustness could be achieved in materials comprising said functionalized photoreactive compounds of the invention.
Telechelic polymers containing reactive functional groups
申请人:Chung Tze-Chiang
公开号:US20050182208A1
公开(公告)日:2005-08-18
Telechelic polymers having two reactive functional groups at the same polymer chain end are disclosed. These polymers can be prepared by combining a cycloborane initiator, at least one free radical polymerizable monomer and oxygen to form a polymer segment having a borane residue at one end of the polymer segment resulting from the cycloborane initiator; and converting the borane residue to at least two functional groups to form the telechelic polymer.
Provided are antimicrobial compositions including at least one biocide covalently bound to a polyurethane. The biocide moiety may comprise triclosan, a triclosan derivative, or a quaternary ammonium salt. Further provided are methods of reducing biofilm formation or microbial growth on a surface, the method including applying to the surface an antimicrobial composition including at least one biocide covalently attached to a polyurethane.
The present invention relates to novel compounds that are particularly useful for the alignment, especially photoalignment, of slave material, especially liquid crystals for optical or electro-optical applications, such as security applications, liquid crystal devices or optical or electro-optical films.
A blister resistant pressure sensitive adhesive sheet
申请人:LINTEC Corporation
公开号:EP0491169A2
公开(公告)日:1992-06-24
The pressure sensitive adhesive sheet has excellent adhesive strength resistance against formation of blisters and removability on heating and after heating.
The pressure sensitive adhesive sheet comprises a substrate and an adhesive composition which is coated on the surface of the substrate and comprises as the main component thereof a copolymer comprising monomeric units of an acrylic ester, monomeric units of a polar acrylic compound, monomeric units of a high glass transition temperature (Tg) macromonomer having a Tg of 20°C or above, monomeric units of a low Tg macromonomer having a Tg of below 20°C and, optionally, monomeric units of an oligomer having telechelic thiol functional groups.