摘要:
A block-copolymer containing at least two different blocks wherein block A contains (meth)acrylate monomers the copolymer having a glass transition temperature of less than 15 °C, block B contains (meth)acrylate monomers the copolymer having a glass transition temperature of more than 25 °C being free of thio-containing substances in the polymer chain, characterized in that one block contains at least one photoinitiator chemically bound to the chain.
摘要:
The present invention relates to a novel (meth)acrylic reaction resin, which hardens with little or no odour. More particularly, the present invention relates to reaction resins containing reactive (meth)acrylic monomers from the group of polar cyclically substituted esters of (meth)acrylic acid that boil at high temperatures, more particularly from glycerinacetal-, -ketal- or -carbonate- methacrylates. These novel components are used as a substitute for MMA, which constitutes the main part of the odour in the existing reaction resin systems according to the prior art. These novel components enable the production of resin formulations that have similar glass transition temperatures and comparable characteristics to MMA-based resins. The novel reaction resins may also have faster hardening times than MMA-based systems from the prior art. According to the invention, the term reaction resins is understood to mean reactive monomer mixtures or mixtures of monomers and polymers which, used as a 2K system, can easily be hardened.
摘要:
The present invention comprises a novel formulation for marking trafficways, for example roads, which when compared with the prior art have improved mechanical properties and improved heat resistance during curing. The invention also relates to improved reactive resins for other applications than roadmarkings. The present invention in particular relates to reactive resins which comprise core-shell particles.
摘要:
The present invention relates to an innovative method for the reversible crosslinking of, for example, adhesive or coating materials. The reversible crosslinking method permits very rapid crosslinking even at room temperature and a dissolution of the crosslinking sites at higher temperatures, allowing thermoplastic processability to be regained and allowing the originally bonded substrates to be parted from one another again easily. A particular aspect here is that a plurality of cycles of crosslinking and dissolution of the crosslinking sites are possible with the present system.