Objects made of polymers forming mixtures of compatible polymers, one of the polymers P1 being made of monomers of formula I where R1 = H or methyl and R2 = hydrocarbon in C1 - C18, the other of the polymers P2 being made of monomers of formula II , where R3 = H, methyl or -CH2-...
A process for the sterilization of objects made of polymers in which the molecule contains a halogen, or of products packaged in such polymer material, the polymer containing a heat stabilizer wherein, prior to irradiation of the object or the package and its contents, there is incorporated into...
A method for determining a distribution of polymerization degree between crosslink sites of crosslinked polymers and an apparatus therefor In accordance with the present invention, a crosslinked amorphous macromolecule is exposed to air at a temperature range of 100 - 130掳C to produce deterioration ...
Photonic periodic structures have been fabricated by two-photon polymerization lithography of shrinking and shape-memory polymers42,43. In other examples, tailored copolymers have been used to self-assemble into photonic crystals during fused filament fabrication41 or direct-writing of polymer solutions38...
Refractive index modification of polymers using nanosized dopants Polymer based reactive resins like PMMA, solved in MMA, or unsaturated polyester, solved in styrene, can be cured to thermoplastic polymers. The resin's... T Hanemann,J Boehm,C Müller,... - Micro-optics 被引量: 8发表: 2008...
Method for modifying the surfaces of objects polymers, of immersing the polymeric object in an aqueous dispersion composed of a polymerizable surfactant, a crosslinking agent and a free radical initiator, and exposing the object immersed to ultraviolet light to form a permanent, crosslinked surface co...
Crystallization of X-type zeolite from concentrated sodium silicate and aluminate solutions crosslinkable polymersCrystallization of an X-type zeolite from concentrated solutions of sodium aluminate (Al 2 O 3 90–330 g l 1 ) and silicate ( ... VA Patrikeev,ML Pavlov,BI Kutepov,... - 《Russia...
There was a fast development of various piezoelectric materials in the past two decades due to their numerous applications. Piezoelectric materials made up... D Nivedhitha,S Jeyanthi - 《Polymers for Advanced Technologies》 被引量: 0发表: 2022年 ...
The high energy UV light used in generating these polymers can also degrade plastics and is unsuitable for producing certain materials. Felix N. Castellano, Goodnight Innovation Distinguished Chair of Chemistry at NC State, had previously shown that it was possible to combine lower energy molecules'...
Processes are provided for coating the surfaces of objects with hyaluronic acid, its derivatives or other natural or semisynthetic polymers, for applications in the fields of surgery, health care and diagnostics. The processes make it po... M Morra,C Cassinelli,L Benedetti,... - US 被引量: ...