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21. 发明专利

AT395630T 未知
公开(公告)号：AT395630T
公开(公告)日：2008-05-15
申请号：AT04719991
申请日：2004-03-12
申请人： EVONIK ROEHM GMBH
发明人： GROOTHUES HERBERT , SCHMIDT JANN , PARUSEL MARKUS
IPC分类号： G03B21/62

22. 发明专利

ZA201205961B LAMINATE WITH A COLOR LAYER,AND METHOD FOR PRODUCING SAME 未知
公开(公告)号：ZA201205961B
公开(公告)日：2013-09-25
申请号：ZA201205961
申请日：2012-08-07
申请人： EVONIK ROEHM GMBH
发明人： PARUSEL MARKUS , NEUHAUSER ACHIM , DICKHAUT GUNTHER , SCHERBLE JONAS , RICHTER RALF , HERBERT BOSCH , HANS-PETER ERFURT , HEIKE WITTE
IPC分类号： C08J20060101
摘要： The present invention relates to a laminate comprising at least one thermoplastic substrate and at least one colour layer, wherein the thermoplastic substrate comprises polyamide, to which at least one colour layer comprising polyurethane crosslinking has been applied.

23. 发明专利

AT540058T 未知
公开(公告)号：AT540058T
公开(公告)日：2012-01-15
申请号：AT01128076
申请日：2001-11-27
申请人： EVONIK ROEHM GMBH
发明人： SCHULTES KLAUS , SUEFKE THOMAS , PARUSEL MARKUS , HOESS WERNER
IPC分类号： C08F2/24 , F21V3/04 , C08F2/18 , C08L33/10 , C08L57/00 , C08L101/00
摘要： The present invention provides a moulding composition, which includes:a plurality of bead polymers dispersed in at least one matrix polymer;wherein the bead polymers:have an average particle size of 5 to 40 mum, andhave a refractive index nD at 20° C. which is different from a refractive index nD at 20° C. of said matrix polymer;and wherein the bead polymers are prepared by a process, which includes:contacting:at least one polymerizable mix which includes at least 50% by weight of at least one (meth)acrylate monomer,at least one aluminum compound, andan aqueous phase,to prepare a mixture;dispersing the mixture at a shear rate >=10 s to form a dispersion, wherein the dispersion is stabilized by the aluminum compound; andpolymerizing to produce the bead polymers having an average particle size of 5 to 40 mum.

24. 发明专利

AU2004269463B2 Diffuser disk for LCD applications, method for the production and use thereof 未知
公开(公告)号：AU2004269463B2
公开(公告)日：2010-05-20
申请号：AU2004269463
申请日：2004-05-12
申请人： EVONIK ROEHM GMBH
发明人： PARUSEL MARKUS , SCHMIDT JANN , GROOTHUES HERBERT
IPC分类号： G02B5/02 , G02F1/1335 , G02F1/13357
摘要： A scattering screen for LCD applications comprises at least one light scattering polymethylmethacrylate layer comprising a polymethylmethacrylate matrix and spherical particles (A) and spherical particles (B) having different average particle sizes with at least one particle type having a refractive index that is different to that of polymethylmethacrylate matrix. A scattering screen for LCD applications comprises at least one light scattering polymethylmethacrylate layer comprising a polymethylmethacrylate matrix and 0.5-59.5 wt.% of spherical scattering particles (A) having an average particle size of 0.1-40 mu m and a refractive index that is different to that of polymethylmethacrylate matrix by 0.02-2 and 0.5-59.5 wt.% of spherical scattering particles (B) having an average particle size of 10-150 mu m and a refractive index that is different to that of polymethylmethacrylate matrix by 0-0.2 wherby the total concentration of (A) and (B) is 1-60 wt.% (with respect to the light scattering polymethylmethacrylate layer) and the particles (A) and (B) are of different average particle diameter and the screen (I) has a transmission value of 20-70% and scattering level of greater than 0.3 whereby ratio of the square of the average surface roughness of the polymethylmethacrylate layer R z to the cube of the particle size of (B) R 2> z/DPB3 is 0.0002-0.1300 mu m -> 1>. An independent claim is included for a process for the production of the screen (I) by extrusion of a composition comprising polymethylmethacrylate, particles (A) and particles (B).

25. 发明专利

NZ545549A Diffuser disk for LCD applications, method for the production and use thereof 未知
公开(公告)号：NZ545549A
公开(公告)日：2010-01-29
申请号：NZ54554904
申请日：2004-05-12
申请人： EVONIK ROEHM GMBH
发明人： PARUSEL MARKUS , SCHMIDT JANN , GROOTHUES HERBERT
IPC分类号： G02F1/1335 , G02B5/02 , G02F1/13357 , G03B21/60 , G03B21/62
摘要： The disclosure relates to a process for producing a diffuser sheet for LCD applications, comprising at least one light-diffusing polymethyl methacrylate layer, which has a polymethyl methacrylate matrix and 0.5 % by weight to 59.5 % by weight, with regard to the weight of the light-diffusing polymethyl methacrylate layer, of spherical diffusing particles (A), which have an average particle size V50 ranging from 0.1 to 40 micrometer and a refractive index difference from the polymethyl methacrylate matrix ranging from 0.02 to 0.2, and 0.5 % by weight to 59.5 % by weight, with regard to the weight of the light-diffusing polymethyl methacrylate layer, of spherical particles (B), which have an average particle size V50 ranging from 10 to 150 micrometer and a refractive index difference from the polymethyl methacrylate matrix ranging from 0 to 0.2, whereby the total concentration of the spherical diffusing particles (A); and particles (B) ranges from 1 to 60 % by weight with regard to the weight of the light-diffusing polymethyl methacrylate layer, and the spherical diffusion particles (A) and the spherical particles (B) have a different average particle size V50, wherein the transmittance of the diffuser sheet is in the range and its diffusion coefficient factor (scattering power) is greater than 0.3, wherein the ratio of the square of the average surface roughness of the polymethyl methacrylate layer Rz to the third power of the size of the spherical particles (B) RZ2 /DPB3 is in the range of 0.0009 to 0.0900 (micrometer)-1, wherein said process comprises the step of extruding a moulding composition encompassing 20 polymethyl methacrylate, spherical scattering particles (A) and spherical particles (B).

26. 发明专利

ES2306998T3 PANTALLA DE RETROPROYECCION PARA LA PROYECCION EN 3D, ASI COMO UN PROCEDIMIENTO PARA SU PRODUCCION. 未知
公开(公告)号：ES2306998T3
公开(公告)日：2008-11-16
申请号：ES04719991
申请日：2004-03-12
申请人： EVONIK ROEHM GMBH
发明人： GROOTHUES HERBERT , SCHMIDT JANN , PARUSEL MARKUS
IPC分类号： G03B21/62
摘要： Pantalla de retroproyección en forma de una plancha o lámina, que comprende por lo menos una capa dispersante de la luz a base de un material sintético del tipo de poli(metacrilato de metilo) extrudido con una diferencia de paso a causa de la doble refracción óptica de a lo sumo 25 nm, un grosor en el intervalo de 0,05 a 4 mm, que tiene partículas esféricas con un tamaño de partículas comprendido en el intervalo de 5 a 35 mum en una concentración situada en el intervalo de 2 a 60% en peso, referida al peso total de la capa de poli(metacrilato de metilo) dispersante de la luz, teniendo las partículas esféricas de material sintético a 589 nm y 20ºC una diferencia de índices de refracción con respecto a la matriz de poli(metacrilato de metilo) situada en el intervalo de 0,02 a 0,2, escogiéndose la concentración Cp, en % en peso, de las partículas esféricas de material sintético, el grosor dS, en mm, de la capa de poli(metacrilato de metilo) dispersante de la luz, así como el tamaño de partículas DP, en mum, de las partículas esféricas de material sintético, de tal manera que la relación cP * dS/DP 3 esté situada en el intervalo de 0,0015 a 0,015 (% en peso) * mm/mum 3 y la relación entre la aspereza superficial media Ra de acuerdo con la norma DIN 4768 de poli(metacrilato de metilo) y el tamaño de partículas DP de las partículas esféricas de material sintético esté situada en el intervalo de 0,05 a 0,4.

27. 发明专利

DE502004007180D1 未知
公开(公告)号：DE502004007180D1
公开(公告)日：2008-06-26
申请号：DE502004007180
申请日：2004-03-12
申请人： EVONIK ROEHM GMBH
发明人： GROOTHUES HERBERT , SCHMIDT JANN , PARUSEL MARKUS
IPC分类号： G03B21/62

28. 发明专利

HK1093560A1 STABLE REAR PROJECTION SCREEN AND METHOD FOR THE PRODUCTION THEREOF 未知
公开(公告)号：HK1093560A1
公开(公告)日：2007-03-02
申请号：HK07100088
申请日：2007-01-04
申请人： EVONIK ROEHM GMBH
发明人： PARUSEL MARKUS , SCHMIDT JANN , GROOTHUES HERBERT
IPC分类号： B23B20100101 , G02B20100101 , G02B5/02 , G03B20100101

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