Jan Pieter
Jan Pieter Drijfhout, Steenwijk NL
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20110262637 | HEAT-CURABLE POWDER COATING COMPOSITION - The invention relates to a one component heat curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a peroxide chosen from the group of compounds represented by formula (1), wherein R | 10-27-2011 |
20110269908 | ONE COMPONENT HEAT-CURABLE POWDER COATING COMPOSITION - The invention relates to a one component heat-curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a transition metal catalyst and a peroxide, wherein the peroxide is chosen from the group of peroxyesters, mono-peroxycarbonates and mixtures thereof and a co-crosslinker chosen from the group of vinylethers, vinylesters, vinylamides, itaconates, enamines and mixtures thereof. | 11-03-2011 |
20110274833 | HEAT-CURABLE POWDER COATING COMPOSITION - The invention relates to a one component heat curable powder coating composition system for being cured at a temperature from 60 to 130° C. comprising: a thermal initiation system and a resin system, wherein the reactivity of the thermal initiation system is such that the thermal initiation system provides a geltime between 2.5 and 1000 minutes at 60° C. in butane diol-dimethacrylate as measured according to DIN 16945 using 1 wt % of the thermal initiation system in 99 wt % of butane diol-dimethacrylate, wherein the amount of thermal initiation system is chosen such that when the powder coating composition is applied to a substrate and cured at a temperature of 130° C. for 20 minutes, the coating resists at least 50 acetone double rubs, wherein the resin system comprises a resin and a co-crosslinker, wherein the resin contains reactive unsaturations and wherein said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, wherein the co-crosslinker is chosen from methacrylates, vinyl esters, vinyl ethers, vinyl amides, alkyne ethers, alkyne esters, alkyne amides, alkyne amines, propargyl ethers, propargyl ethers, propargyl esters, itaconates, enamines and mixtures thereof, wherein the weight per unsaturation in the resin system is between 100 and 1000 g/mole as determined using | 11-10-2011 |
Jan Pieter Drijfhout, Echt NL
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20160068707 | VINYL FUNCTIONALIZED URETHANE RESINS FOR POWDER COATING COMPOSITIONS - The invention relates to a vinyl functionalized urethane resin (VFUR) useful as a curing agent in thermosetting powder coating compositions, a process for making said vinyl functionalized urethane resin, a vinyl functionalized urethane resin composition (VFURC) useful as a curing agent in thermosetting powder coating compositions, a process for making vinyl functionalized urethane resin composition, a thermosetting powder coating composition (TPCC), a process for the preparation thereof, a cured thermosetting powder coating composition, processes for coating an article with said thermosetting powder coating composition and an article coated with said thermosetting powder coating composition as well as uses of the vinyl functionalized urethane resin or of the vinyl functionalized urethane resin composition or of the thermosetting powder coating composition or of the articles having coated and cured thereon said thermosetting powder coating composition. The invention relates also to thermosetting powder coating composition useful for powder-in-mould coating articles such as reinforced polymeric e.g. polyester resin articles and to powder-in-mould coating methods employing the thermosetting powder coating composition and use of the in-mould coated article. | 03-10-2016 |
Jan Pieter Drijfhout, Zwolle NL
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20130203938 | LOW TEMPERATURE CURE HEAT-CURABLE POWDER COATING COMPOSITION COMPRISING A CRYSTALLINE POLYESTER RESIN, AN AMORPHOUS POLYESTER RESIN, A CROSSLINKING AGENT AND A THERMAL RADICAL INITIATOR - The invention relates to a heat-curable powder coating composition comprising i) at least one crystalline polyester resin present in an amount of at most 90 wt %; and ii) at least one amorphous polyester resin; and iii) at least one crosslinking agent; and iv) at least one thermal radical initiator, wherein, the at least one crystalline polyester resin and/or the at least one amorphous polyester resin has di-acid ethylenic unsaturations; wherein the at least one crosslinking agent is either crystalline or amorphous; wherein the at least one crosslinking agent has reactive unsaturations that are reactable with the ethylenic unsaturations of the di-acid ethylenic unsaturations of the at least one crystalline polyester resin and/or the at least one amorphous polyester resin to be crosslinked, said unsaturations of the crosslinking agent are different from the unsaturations of the at least one crystalline polyester resin and the unsaturations of the at least amorphous polyester resin; wherein the wt % is based on the total amount of i)+ii)+iii). The compositions of the invention may be cured to an acceptable degree at low temperature of for example at most 130° C. for at most 20 minutes, said compositions may be ground, sieved and extrudable and said compositions can upon heat cure form powder coatings that may also exhibit a good balance of properties between good flexibility, good smoothness and good adhesion. In addition, the compositions of the invention can suitably be used on heat- and/or non heat-sensitive, even if the composition is highly pigmented. | 08-08-2013 |
Jan Pieter Hendrik, Beerse BE
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20100203157 | COMBINATIONS OF PYRIMETHANIL AND SILVER COMPOUNDS - The present invention relates to combinations of pyrimethanil, or a salt thereof, and silver compounds which provide an improved biocidal effect. More particularly, the present invention relates to compositions comprising a combination of pyrimethanil, or a salt thereof, together with one or more silver salts selected from silver acetate, silver alginate, silver azide, silver citrate, silver lactate, silver nitrate, silver sulfate, silver chloride, silver thiocyanate, silver-sodium-hydrogen-zirconium phosphate, silver sulfadiazine, silver cyclohexanediacetic acid and disilver 2,5-dichloro-3,6-dihydroxy-2,5-cyclohexadiene-1,4-dione; in respective proportions to provide a synergistic biocidal effect. Other suitable silver components (II) are products that set silver free using technologies to make it gradually biologically available such as by ion exchange mechanisms such like using zirconium phosphate based ceramics as a reservoir, or silver provided in glass ceramics as reservoir or carrier, or silver provided with zeolites, silica gel or titanium dioxide as a reservoir or an inorganic derivative containing silver, incorporated into a plastic composition for the preparation of moulded, lacquered or painted products, such as an amino resin (e.g. urea-formaldehyde resin, melamine formaldehyde resin . . . ) or a thermoplastic (e.g. a polyester, polyethylene, polyacrylate, pvc . . . ), or provided as nano-silver particles typically with a particle size of 1-1000 nm. Compositions comprising these combinations are useful for the protection of any living or non-living material, such as crops, plants, fruits, seeds, objects made of wood, thatch or the like, biodegradable material and textiles against deterioration due to the action of microorganisms such as bacteria, fungi, yeasts, algae, and the like. | 08-12-2010 |
Jan Pieter Maarschalk, Amsterdam NL
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20130126695 | TELESCOPIC SAFETY DEVICE - A safety device | 05-23-2013 |
Jan Pieter Meeuwse, Eindhoven NL
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20100049056 | METHOD, DEVICE, MEDICAL IMAGE ACQUISITION DEVICE FOR IMAGING AN INTERIOR OF A TURBID MEDIUM WITH DARKNESS LEVEL MEASUREMENT - The invention relates to a method, device, and medical image acquisition device for imaging an interior of a turbid medium. The method comprises the following steps: accommodation of the turbid medium inside a receiving volume ( | 02-25-2010 |
Jan Pieter Ouweltjes, Broek Op Langedijk NL
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20110127169 | ELECTRODE FOR FIXED OXIDE REACTOR AND FIXED OXIDE REACTOR - A solid oxide reactor provided with an electrode structure comprising a first electrode, a second electrode ( | 06-02-2011 |
Jan Pieter Vijn, Nijmegen NL
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20130324446 | EMULSION BREAKERS INCLUDING POLYESTER FUNCTIONALITIES - An emulsion breaker composition, a method of making the emulsion breaker, and method of breaking an emulsion are disclosed. In one method, an emulsion is contacted with an effective amount of an emulsion breaker composition. The emulsion breaker is a linear or branched polymer having at least one branch, wherein each branch has a first polymer block having a backbone including a plurality of ester groups and a second polymer block including an alkoxylate, and wherein at least two of the ester groups are connected by a —CR1R2 group. The emulsion breakers are preferably formed by reacting a polyol with a cyclic ester monomer in the presence of a first catalyst to form an intermediate polymer having a plurality of branches, wherein each branch has a backbone including a plurality of ester groups, and then reacting the intermediate polymer with at least one alkylene oxide species in the presence of a second catalyst to form an alkoxylate block on each branch. | 12-05-2013 |
Jan Pieter Vroegop, Wijk Bij Duurstede NL
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20110271858 | FOUNTAIN SOLUTION REGULATION - The current invention relates to a method for inhibiting or preventing the growth of micro-organisms in a printing device to which, during a period of printing, a fountain solution is added, characterized that during an interval between two periods of printing the PH value of the fountain solution is changed. The invention also relates to the use of fountain solutions in said method and fountain solutions that can be applied in said method/esp. | 11-10-2011 |