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1. (WO2019045831) COMPOSITIONS FILMOGÈNES AYANT UNE SURFACE NON COLLANTE
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

Claims:

1 . A film forming composition that can produce a tack free surface comprising:

(I) a hydrosilylation reaction product of:

(a) a silicone resin having the formula: (R1 R22SiOi/2)w(R1 R2Si02/2)x(R2Si03/2)y(Si04/2)z wherein R2 is a Ci to do hydrocarbon group free of aliphatic unsaturation, R1 is R2 or an alkenyl group, w is from 0.3 to 0.6, x is from 0.0 to 0.2, y is 0, z is from 0.4 to 0.7, w+x+y+z = 1 .0, and w+z is from 0.85 to 1 .0, with the proviso that the silicone resin (a) has at least two silicon-bonded alkenyl groups per number average molecule;

(b) a polyether compound having the formula: R30(C2H40)c(C3H60)ciR3 wherein R3 is a monovalent unsaturated aliphatic hydrocarbon group containing 2 to 12 carbon atoms, c is from 0 to 50, d is from 0 to 50, and the value of c+d is greater than zero;

(c) an SiH functional organopolysiloxane having the general formula:

HcR3-cSiO(R2SiO)a(RHSiO)bSiR3-cHc wherein c is 0 or 1 , R can be identical or different and is a monovalent, optionally substituted hydrocarbon group with 1 to 18 carbon atoms per molecule, a and b are integers, with the proviso that the sum of a + b is 0 to 300, and wherein the organopolysilane contains SiH in amounts from 0.01 to 0.4 wt%;

(d) a hydrosilylation catalyst; and

(e) a carrier solvent; and

(II) a silicone resin having the formula: (R43SiOi/2)u(Si04/2)v wherein R4 is a Ci to Cio hydrocarbon group free of aliphatic unsaturation, u is from 0.3 to 0.6, v is from 0.4 to 0.7, and the value of u+v is 1 .0.

2. A composition according to Claim 1 , wherein (a) is a silicone resin having the formula: (R1 R22SiOi/2)w(Si04/2)z wherein R1 is vinyl, R2 is methyl, w is from 0.3 to 0.6, z is from 0.4 to 0.7, and the value of w+z is 1 .0.

3. A composition according to Claim 2, wherein (b) is selected from

H2C=C(CH3)CH20(C2H40)cCH2(CH3)C=CH2 or H2C=C(CH3)CH20(C3H60)ciCH2(CH3)C=CH2 wherein c is from 0 to 14 and d is from 0 to 7.

4. A composition according to Claim 3, wherein (c) is an SiH functional organopolysiloxane having the general formula: HR2SiO(R2SiO)a(RHSiO)bSiR2H wherein the sum of a + b is 6 to 1 10 and R is methyl.

5. A composition according to Claim 4, wherein (d) is a platinum group metal-containing catalyst.

6. A composition according to Claim 5, wherein (e) is selected from linear volatile methyl silicones selected from hexamethyldisiloxane, octamethyltrisiloxane,

decamethyltetrasiloxane, dodecamethylpentasiloxane, tetradecamethylhexasiloxane, or hexadecamethylheptasiloxane, cyclic volatile methyl silicones selected from

hexamethylcyclotnsiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, or dodecamethylcyclohexasiloxane; or branch volatile methyl silicones selected from heptamethyl-3-{(trimethylsilyl)oxy}trisiloxane,

hexamethyl-3,3,bis-{(trimethylsilyl)oxytrisiloxane, or

pentamethyl {(trimethylsilyl)oxy}cyclotrisiloxane, non-volatile polysiloxanes selected from polydimethylsiloxane, polydiethylsiloxane, polymethylethylsiloxane,

polymethylphenylsiloxane, or, polydiphenylsiloxane, or organic carrier solvents selected from isododecanejsohexadecane, ethyl acetate, ethyl alcohol, isopropyl alcohol, ester palmitate, propylene glycol, C12-15 alkyl benzoate, caprylic/capric triglyceride, coco-caprylate/caprate, diisopropyl adipate, propyl propionate, isobutyl acetate, diisostearyl fumarate, diethyl carbonate, dicaprylyl carbonate, dicaprylyl ether, propylene carbonate, diisostearyl malate, isocetyl stearate, isopropyl isostearate, isopropyl laurate, isopropyl myristate, isopropyl palmitate, isopropyl stearate, isostearyl benzoate, myristyl ether acetate w/ propylene glycol, myristyl lactate, octyldodecyl stearoyi stearate, octylpalmitate, octylstearate, tridecyl neopentanoate, triisocetyl citrate, lauryl alcohol, oleyl alcohol, glyceryl trioctanate, polyglyceryl-3 diisostearate, mineral oil, dipropylene glycol, glycol ether, propylene glycol methylether acetate, propylene glycol methylether, diethylhexyl carbonate, glycerin, castor oil, lanolin oil, sunflower oil, C1 1 -12 isoparaffin, polydecene, organic fats, oils, fatty acids, fatty alcohols, or combinations thereof.

7. A composition according to Claim 1 , wherein R4 is methyl.

8. A composition according to Claim 6, wherein R4 is methyl.

9. A composition according to Claim 1 , wherein:

(a) is a silicone resin having the formula: (R1R22Si01 2)w(Si042)z wherein R1 is vinyl, R2 is vinyl, w is from 0.3 to 0.6, z is from 0.4 to 0.7, and the value of w+z is 1 .0;

(b) is selected from

H2C=C(CH3)CH20(C2H40)cCH2(CH3)C=CH2 or H2C=C(CH3)CH20(C3H60)ciCH2(CH3)C=CH2 wherein c is from 0 to 14 and d is from 0 to 7;

(c) is an SiH functional organopolysiloxane having the general formula: HR2SiO(R2SiO)a(RHSiO)bSiR2H wherein the sum of a + b is 6 to 1 10 and R is methyl;

(d) is a platinum group metal-containing catalyst;

(e) is selected from linear volatile methyl silicones selected from hexamethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, dodecamethylpentasiloxane,

tetradecamethylhexasiloxane, or hexadecamethylheptasiloxane, cyclic volatile methyl silicones selected from hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, or dodecamethylcyclohexasiloxane; or branch volatile methyl silicones selected from heptamethyl-3-{(trimethylsilyl)oxy}trisiloxane,

hexamethyl-3,3,bis-{(trimethylsilyl)oxytrisiloxane, or

pentamethyl {(trimethylsilyl)oxy}cyclotrisiloxane, non-volatile polysiloxanes selected from polydimethylsiloxane, polydiethylsiloxane, polymethylethylsiloxane, polymethylphenylsiloxane, or, polydiphenylsiloxane, or organic carrier solvents selected from isododecanejsohexadecane, ethyl acetate, ethyl alcohol, isopropyl alcohol, ester palmitate, propylene glycol, C12-15 alkyl benzoate, caprylic/capric triglyceride, coco-caprylate/caprate, diisopropyl adipate, propyl propionate, isobutyl acetate, diisostearyl fumarate, diethyl carbonate, dicaprylyl carbonate, dicaprylyl ether, propylene carbonate, diisostearyl malate, isocetyl stearate, isopropyl isostearate, isopropyl laurate, isopropyl myristate, isopropyl palmitate, isopropyl stearate, isostearyl benzoate, myristyl ether acetate w/ propylene glycol, myristyl lactate, octyldodecyl stearoyl stearate, octylpalmitate, octylstearate, tridecyl neopentanoate, triisocetyl citrate, lauryl alcohol, oleyl alcohol, glyceryl trioctanate, polyglyceryl-3 diisostearate, mineral oil, dipropylene glycol, glycol ether, propylene glycol methylether acetate, propylene glycol methylether, diethylhexyl carbonate, glycerin, castor oil, lanolin oil, sunflower oil, C11 -12 isoparaffin, polydecene, organic fats, oils, fatty acids, fatty alcohols, or combinations thereof; and

(II) is a silicone resin having the formula: (R43SiOi/2)u(Si04/2)v wherein R4 is methyl, u is from 0.3 to 0.6, v is from 0.4 to 0.7, and the value of u+v is 1 .0 .

10. A composition according to Claim 1 , wherein the hydrosilylation reaction product is produced by a method comprising mixing and optionally heating (a), (b), (c), (d), and (e).

11 . A composition according to Claim 9, wherein the hydrosilylation reaction product is produced by a method comprising mixing and optionally heating (a), (b), (c), (d), and (e).

12. A composition according to Claim 10, wherein heating occurs at a temperature of 50 to 110 °C.

13. A composition according to Claim 1 1 , wherein heating occurs at a temperature of 50 to 110 °C.

14. A composition according to Claim 1 , wherein silicone resin (II) is added to the hydrosilylation product (I) to achieve a total MQ resin content relative to the total of all nonvolatile components of 45 to 90 wt% silicone resin (II), alternatively 55 to 80 wt% silicone resin (II); and alternatively 65 to 75 wt% silicone resin (II).

15. A composition according to Claim 9, wherein silicone resin (II) is added to the hydrosilylation product (I) to achieve a total MQ resin content relative to the total of all nonvolatile components of 45 to 90 wt% silicone resin (II), alternatively 55 to 80 wt% silicone resin (II); and alternatively 65 to 75 wt% silicone resin (II).