摘要:
Dye-donor element for use according to thermal dye sublimation transfer comprising a support having on one side a dye layer and on the other side a heat-resistant layer, characterized in that said heat-resistant layer comprises a polyether containing at least 10 mol % recurring units corresponding to the following formula (I)O--E--O--E'-- (I)wherein--O--E--O-- represents a divalent diphenolate radical corresponding to the following general formula (II) ##STR1## wherein R.sub.1 and R.sub.2 (same or different) represent hydrogen, halogen, a C.sub.1 -C.sub.8 alkyl group, a C.sub.5 -C.sub.6 cycloalkyl group, a C.sub.6 -C.sub.10 aryl group or a C.sub.7 -C.sub.12 aralkyl group; andX represents the necessary atoms to close a 5- to 8-membered cycloaliphatic ring which may be substituted with one or more C.sub.1 -C.sub.6 alkyl groups or 5- to 6-membered cycloalkyl groups or carry fused-on 5- or 6-membered cycloalkyl groups;--E'-- represents a divalent radical of an aromatic sulfone corresponding to the following general formula (III) ##STR2## or a divalent radical of a diarylketone corresponding to the following general formula (IV) ##STR3## or a divalent radical of benzonitrile corresponding to the following general formula (V) ##STR4## wherein Ar and Ar' in formula III and IV (same or different) represent difunctional aromatic radicals having 6 to 50 carbon atoms.
摘要:
A thermoplastic molding composition comprising a polycarbonate resin and ABS is rendered improved levels of resistance to gasoline environment and thermal stability upon the incorporation therewith of a particular vinyl copolymer.
摘要:
The present invention relates to a system and method for the infiltration of plants in a continuous or quasi-continuous operation mode. The system and method of the present invention combine mechanical (automatic and manual) movable and manipulable units and/or containers with vacuum infiltration chambers to enable large-scale infiltration of plants.
摘要:
Polymer composite material with biocide functionality, preferably for the use in agriculture, comprising at least one base polymer compound and at least one biocide active ingredient, wherein the biocide active ingredient is an organic biocide that can be emitted from the polymer composite material by diffusion and/or osmosis and method of its production.
摘要:
The invention relates to compositions comprising silicone elastomers and antimicrobially active substances in homogeneous distribution, a process for their production and their use in medical articles.
摘要:
An automotive glazing panel is provided by a polycarbonate substrate having a coating system including an inner layer blocking IR and overlying coating material blocking UV radiation and providing a scratch resistant outer coating layer.
摘要:
Amorphous polymers, including homopolymers and co-polymers, containing residues of vinyl cyclohexane and/or substituted vinyl cyclohexane are described. The polymers of the present invention have a syndiotactic configuration in which the quantity of diads is greater than 50.1% and less than 74%. The polymers of the invention have high transparency, low birefringence and high heat defection temperature, and can be used to prepare molded articles (e.g., optical data storage media and lenses) and films.
摘要:
The invention relates to polysulphone/polyether block copolycondensates having the recurring structural unit as in formula (I)--(--O--E--O--Ar.sup.1 --SO.sub.2 --Ar.sup.2 --)--W-- (I)whereinE is a divalent diphenolate radical andW is a polyether, polythioether or polyacetal possessing at least two hydroxyl groups and having an average molecular weight (M.sub.n) of from 400 to 30,000 andwherein the proportion of the radical W in the total polymer amounts to 5 to 99 wt. %,the preparation and use thereof for the production of moulded shapes, for example, membranes or catheter tubes.
摘要翻译:本发明涉及具有如式(I) - ( - OEO-Ar1-SO2-Ar2 - ) - W-(I)的重复结构单元的聚砜/聚醚嵌段共缩合物,其中E是二价二酚盐基,W是聚醚 具有至少两个羟基并具有400至30,000的平均分子量(+ E,ovs M + EE n)的聚硫醚或聚缩醛,并且其中基团W在总聚合物中的比例为5至99重量% %,其制备和用于生产模塑形状的用途,例如膜或导管。
摘要:
Mixtures of A) neutral polythiophenes of formula (I), ##STR1## wherein R.sub.1 and R.sub.2 separately from one another represent hydrogen or a C.sub.1-4 alkyl group or together form an optionally substituted C.sub.1-4 alkylene radical, preferably a methylene radical optionally substituted by alkyl groups, an ethylene-1,2 radical optionally substituted by C.sub.1-12 alkyl or phenyl groups, or a cyclohexylene-1,2 radical, and B) organic compounds containing dihydroxy or polyhydroxy and/or carboxyl groups or amide groups or lactam groups, as well as transparent, electrically conducting coatings made therefrom and electroluminescent systems containing a conductive layer produced from the abovementioned mixtures as the electrode.
摘要:
The invention relates to thermoplastic molding compounds based on polyamides and bisphenols having glass temperatures equal to or above those of the polyamides used, the bisphenols corresponding to the following formula ##STR1## The invention also relates to a process for their production and to their use for the production of moldings, films, fibers and other articles.