公开(公告)号：US20240287281A1

公开(公告)日：2024-08-29

申请号：US18559811

申请日：2022-05-11

Applicant: BASF SE

Inventor： Nikolay A. GRIGORENKO ,  Andre OSWALD ,  Holger LEYBACH ,  Ralf KNISCHKA ,  Andreas GERNANDT

IPC: C08K3/08 ,  B42D25/324 ,  B42D25/364 ,  B42D25/41 ,  B42D25/425 ,  C08K5/49 ,  C08K7/00

CPC classification number: C08K3/08 ,  B42D25/324 ,  B42D25/364 ,  B42D25/41 ,  B42D25/425 ,  C08K5/49 ,  C08K7/00 ,  C08K2201/003

Abstract: The present invention relates to compositions, comprising



(A) platelet-shaped transition metal particles, wherein the number mean diameter of the platelet-shaped transition metal particles, present in the composition, is in the range of from 15 nm to 1000 nm, the transition metal is selected from silver, copper, gold and palladium, especially silver and copper, very especially silver;
(B) one, or more reactive diluents (B);
(C) one, or more oligomers (C);
(D) one, or more photoinitiators (D);
(E) at least a surfactant (E), which is a block copolymer, comprising at least a block A and a block B, wherein
a) the block A comprises
a1) monomer units (A1) derived from a compound selected from alkyl (meth)acrylates, alkyl (meth)acrylamides, or any mixture thereof, and
a2) monomer units (A2) derived from a hydroxy group, or ether group containing alkyl (meth)acrylate;
b) the block B comprises monomer units (B) derived from a compound selected from fluorinated (meth)acrylic esters of formula






H2C═CR46(C(O)ORF-1)  (XX), wherein



R46 is H, or a methyl group; and
RF-1 is an organic residue containing a perfluorinated alkyl group;
(F) optionally one, or more polymeric binders;
(F) optionally one, or more solvents; and
(H) optionally further additives.




The coatings, obtained with said compositions, show one color, when observed in transmission and another color, when observed in reflection on both sides of the cured coating.

公开(公告)号：US20230295439A1

公开(公告)日：2023-09-21

申请号：US18011854

申请日：2021-06-22

Applicant: BASF SE

Inventor： Holger LEYBACH ,  Hans REICHERT ,  Oliver SEEGER ,  Korinna DORMANN ,  Helmut REICHELT

IPC: C09B47/08 ,  C09D11/037 ,  C07F5/00 ,  B42D25/382 ,  B41M3/14

CPC classification number: C09B47/08 ,  C09D11/037 ,  C07F5/003 ,  B42D25/382 ,  B41M3/14

Abstract: The present invention relates to particles of naphthalocyanine and phthalocyanine chromophores of formula (I) having a number average particle size in the range of from 10 nm to 80 nm with standard deviation being less than 40 nm, their use as almost colourless IR absorbers, for optical filter applications, especially for plasma display panels, or for laser welding of plastics. The compounds may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and are particularly well-suited for security applications.

公开(公告)号：US20230303608A1

公开(公告)日：2023-09-28

申请号：US18015549

申请日：2021-07-09

Applicant: BASF SE

Inventor： Hans REICHERT ,  Oliver SEEGER ,  Helmut REICHELT ,  Korinna DORMANN ,  Holger LEYBACH

IPC: C07F15/04 ,  C07F15/00 ,  C09D11/037 ,  C09D11/50 ,  B41M3/14

CPC classification number: C07F15/045 ,  B41M3/14 ,  C07F15/0066 ,  C07F15/0093 ,  C09D11/037 ,  C09D11/50

Abstract: The present invention relates to particles of a compound of formula M (I), wherein M is selected from Ni, Pd and Pt, X1 and X2 are each independently of each other sulfur or oxygen, R1, R2, R3, and R4 are independently selected from an unsubstituted, or substituted al- kyl group, an unsubstituted, or substituted cycloalkyl group, an unsubstituted or substi- tuted aryl group and an unsubstituted or substituted heteroaryl group, wherein the particles have a median particle size (D50) in the range of from 30 nm to 90 nm, preferably from 40 nm to 80 nm, more preferably 50 to 70 nm with D10 being greater than 20 nm, especially greater than 25 nm, very especially greater than 30 nm, their use as almost colourless IR absorbers, for optical filter applications, especially for plasma display panels, or for laser welding of plastics. The compounds may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and are particularly well-suited for security applications.