摘要:
The present invention relates to a fluorinated supramolecular polymer containing at least 5% by weight of covalently bonded fluorine atoms, based on the total weight of the fluorinated supramolecular polymer, said fluorinated supramolecular polymer comprising a fluorinated polymer chain and a (self-)complementary unit capable of forming at least three hydrogen bonds, said (self-)complementary unit being covalently bonded to said fluorinated polymer chain. The present invention also relates fluorinated supramolecular material comprising (a) a fluorinated supramolecular polymer and (c) a non-fluorinated polymer and/or (d) a fluorinated compound, the non-fluorinated polymer being a polymer containing less than 5% by weight of covalently bonded fluorine atoms, based on the total weight of the non-fluorinated polymer, and the fluorinated compound being either a low molecular weight fluorinated compound comprising at least one fluorine atom and having a molecular weight of 34.(molecular weight of CH 3 F) to 600 atomic mass units (amu), or a fluoropolymer containing at least 5% by weight of covalently bonded fluorine atoms, based on the total weight of the fluoropolymer and having a M n from about 600 to about 5000.
摘要:
The present invention relates to a modular supramolecular bioresorbable or biomedical material comprising (i) a polymer comprising at least two 4H-units and (ii) a biologically active compound. Optionally, the supramolecular bioresorbable or bio medical material comprises a bioresorbable or biomedical polymer as third component to tune its properties (mechanical and bioresorption properties). The supramolecular bioresorbable or biomedical material is especially suitable for biomedical applications such as controlled release of drugs, materials for tissue-engineering, materials for the manufacture of a prosthesis or an implant, medical imaging technologies.
摘要:
The present invention relates to new hydrogel materials using water gellants that are comprised by hydrophilic polymers to which hydrogen bonding units are covalently attached. Optionally, the hydrogel contains additional ingredients or additives. These new reversible hydrogels can easily be fine-tuned in their mechanical performance and functionality and are especially suitable for cosmetic and biomedical applications.
摘要:
The present invention relates to a supramolecular compound comprising a low molecular weight, apolar compound, said low molecular weight, apolar compound having a melting point of below 45°C, a molecular weight of about 80 to about 1500 amu and a HLB-valueof lower than 8, said low molecular weight, apolar compound bearing a single 4H-unit per molecule. The supramolecular compound according to the present invention may be used in coating, ink, toner, resin, lacquer, adhesive or glue compositions.
摘要:
The present invention relates to a supramolecular polymer comprising quadruple hydrogen bonding units 4H within the polymer backbone, said supramolecular polymer being obtainable by reacting a monomeric unit (a) having the structure 4H* - (F i ) r (IV) and a macromonomeric unit (b) having the structure P-(F i ) s , wherein the monomeric unit (a) is represented by formula (VIIa) or (VIIb), and tautomers and/or enantiomers thereof:
wherein 4H* represents a precursor of the structural element 4H; in formula (IV), F i represents a reactive group linked to the 4H*-unit; r = 2, so that formula (IV) is represented by F 1 -4H*-F 1 or by F 1 -4H*-F 2 ; the 4H*-unit is connected to a reactive group (F 1 ) via R1 and to a reactive group (F 1 ) or (F 2 ) via R3, whereas R2 is a random side chain or a hydrogen atom; P represents a polymer chain; in formula (V), F i represents a complementary reactive group in the macromonomeric unit (b) that is complementary reactive with another F i of monomeric unit (a); and s = 2 - 6.
摘要:
The invention relates to the synthesis of polymers containing self-complementary quadruple hydrogen groups by copolymerizing monomers containing a quadruple hydrogen bonding group with one or more monomers of choice. The resulting polymers show unique new characteristics due to the presence of additional physical interactions between the polymer chains that are based on multiple hydrogen bonding interactions (supramolecular interactions).
摘要:
The present invention relates to a thermoplastic elastomer according to the formula [AB] n , wherein A represents a soft block and B represents a hard block. The present invention further relates to a process for the preparation of the thermoplastic elastomer. The thermoplastic material is in particular suited for biomaterial applications, for example for implants and tissue engineering applications and for purposes including scaffolding material applications, e.g. for tissue engineering purposes.