Abstract: A ceiling module for the construction of a clean room cell, where the ceiling module includes at least a module support for arrangement on and connection to a support structure, a technical device including at least one filter unit, and a ceiling support which is spaced apart from the module support such that a technical space is formed between the ceiling support and the module support, wherein the technical device is arranged inside the technical space.

Abstract: In one embodiment the invention relates to a method of preparing a polyrotaxane, said method comprising: performing a radical copolymerization of at least (a) a first polymerizable monomer having a stopper group, and of at least (b) a second polymerizable hydrophobic monomer, wherein said second monomer is complexed by a ring-shaped molecule, and of at least (c) a third polymerizable hydrophilic monomer; wherein during said copolymerization a copolymer threading said ring-shaped molecule is formed, wherein during said copolymerization said first monomer having a stopper group is incorporated into the chain of said copolymer at least partially between the ends thereof, and wherein said stopper groups prevent said ring-shaped molecule from disassembling from the copolymer; and wherein the amount of said first monomer having a stopper group is of from 0.1 mol % to 20 mol % based on 100 mol % of the total amount of polymerizable monomers.

Abstract: The present invention relates to a method of preparing a polyrotaxane, said method comprising: performing a radical copolymerization of at least (a) a first polymerizable monomer having a stopper group, and of at least (b) a second polymerizable monomer, wherein said second monomer is complexed by a ring-shaped molecule; wherein during said copolymerization a copolymer threading said ring-shaped molecule is formed, wherein during said copolymerization said first monomer having a stopper group is incorporated into the chain of said copolymer at least partially between the ends thereof, and wherein said stopper groups prevent said ring-shaped molecule from disassembling from the copolymer; and wherein the amount of said first monomer having a stopper group is of from 0.1 mol % to 20 mol % based on 100 mol % of the total amount of polymerizable monomers. The present invention also relates to polyrotaxanes which can be prepared by using such a method.

Abstract: A self-healing composite material includes at least one cross-linked polyrotaxane and at least one organically modified inorganic hybrid material which comprises functional groups (B) or at least one type of surface-modified inorganic particles which have functional groups (B) on their surface. The polyrotaxane is a cross-linked polyrotaxane and at least two of the threaded ring-shaped molecules are cross-linked by linking of the functional groups (A) and (B).

Abstract: A ceiling module for the construction of a clean room cell, where the ceiling module includes at least a module support for arrangement on and connection to a support structure, a technical device including at least one filter unit, and a ceiling support which is spaced apart from the module support such that a technical space is formed between the ceiling support and the module support, wherein the technical device is arranged inside the technical space.

Abstract: In one embodiment the invention relates to a method of preparing a polyrotaxane, said method comprising: performing a radical copolymerization of at least (a) a first polymerizable monomer having a stopper group, and of at least (b) a second polymerizable hydrophobic monomer, wherein said second monomer is complexed by a ring-shaped molecule, and of at least (c) a third polymerizable hydrophilic monomer; wherein during said copolymerization a copolymer threading said ring-shaped molecule is formed, wherein during said copolymerization said first monomer having a stopper group is incorporated into the chain of said copolymer at least partially between the ends thereof, and wherein said stopper groups prevent said ring-shaped molecule from disassembling from the copolymer; and wherein the amount of said first monomer having a stopper group is of from 0.1 mol % to 20 mol % based on 100 mol % of the total amount of polymerizable monomers.

Abstract: The present invention relates to a method of preparing a polyrotaxane, said method comprising: performing a radical copolymerization of at least (a) a first polymerizable monomer having a stopper group, and of at least (b) a second polymerizable monomer, wherein said second monomer is complexed by a ring-shaped molecule; wherein during said copolymerization a copolymer threading said ring-shaped molecule is formed, wherein during said copolymerization said first monomer having a stopper group is incorporated into the chain of said copolymer at least partially between the ends thereof, and wherein said stopper groups prevent said ring-shaped molecule from disassembling from the copolymer; and wherein the amount of said first monomer having a stopper group is of from 0.1 mol % to 20 mol % based on 100 mol % of the total amount of polymerizable monomers. The present invention also relates to polyrotaxanes which can be prepared by using such a method.

Abstract: The invention relates to water-soluble polymeric thiosulfates, to a method for their preparation by polymer-analogous addition of tetrathionate to unsaturated polymers and to their application in surface coating.

Abstract: A process for producing a contact lens and a contact lens comprising a crosslinked lipophilised cyclodextrin derivative, wherein each repeating cyclodextrin unit includes at least one polysiloxane group. The process for producing the contact lens includes the reaction of a cyclodextrin with a polysiloxane.

Abstract: The setting properties of an .alpha.-cyanoacrylate adhesive composition are ccelerated by adding thereto a hydroxyl group derivative of an .alpha.-, .beta.- or .gamma.-cyclodextrin which is at least partly soluble in the .alpha.-cyanoacrylate.

Abstract: Substituted cyclodextrins of the general formula ##STR1## in which R.sup.2 and R.sup.6 mean straight-chain or branched alkyl or alkenyl groups with 1 to 8 carbon atoms or cycloalkyl groups with 5 to 8 carbon atoms which can be the same or different, andR.sup.3 represents a straight-chain or branched alkyl or alkenyl group, which can be the same or different to the residues R.sup.2 and R.sup.6, with 1 to 8 carbon atoms or a cycloalkyl group with 5 to 8 carbon atoms, oran acyl group with an optionally substituted, saturated or olefinically unsaturated aliphatic or cycloaliphatic or with an aromatic hydrocarbon residue with 1 to 8 carbon atoms, andn=6 or 7,a process for their production, and a process for the separation of chiral organic compounds by chromatographic separation processes in which the substituted cyclodextrins are used as stationary phase.

Abstract: Substituted cyclodextrins of the general formula ##STR1## in which R.sup.2 and R.sup.6 mean straight-chain or branched alkyl or alkenyl groups with 1 to 8 carbon atoms or cycloalkyl groups with 5 to 8 carbon atoms which can be the same or different, andR.sup.3 represents a straight-chain or branched alkyl or alkenyl group, which can be the same or different to the residues R.sup.2 and R.sup.6, with 1 to 8 carbon atoms or a cycloalkyl group with 5 to 8 carbon atoms, oran acyl group with an optionally substituted, saturated or olefinically unsaturated aliphatic or cycloaliphatic or with an aromatic hydrocarbon residue with 1 to 8 carbon atoms, andn=6 or 7,a process for their production, and a process for the separation of chiral organic compounds by chromatographic separation processes in which the substituted cyclodextri are used as stationary phase.