Thermal conductive compositions and methods for their preparation and use
View Patent ↗Thermal conductive compositions, methods for their preparation, and use are provided, which include, for example, as thermal sinks and other uses.
1. A thermal conductive composition comprising at least one of a compound of Formula (I):
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 1 , R 2 , R 3 , and R 4 are each independently —H, or —NH 2 , —Si(OR 5 ) 3 , —Si(OR 5 ) 2 CH 2 CH 2 NH 2 , —Si(R 5 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 5 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, —CH(═O), provided that R 1 , R 2 , R 3 , and R 4 are not all H,
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl;
and a compound of Formula (II):
wherein:
y is about 10 to about 500;
R 6 is C 1 -C 6 alkyl or halo;
each R 7 is independently —H, or —NH 2 , —Si(OR 9 ) 3 , —Si(OR 9 ) 2 CH 2 CH 2 NH 2 , —Si(R 9 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 9 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, or —CH(═O), provided that each R 7 are not both H;
R 8 is —NH—CH 2 —CH 2 —NH 2 or Al(R 10 ) 2 ;
R 9 is C 1 -C 6 alkyl; and
R 10 is C 1 -C 6 alkyl or halo.
2. The thermal conductive composition of claim 1 , wherein R 1 , R 2 , R 3 , and R 4 are each independently H, or NH 2 , —Si(OR 5 )2CH 2 CH 2 NH 2 , Si(OR 5 ) 3 , N(CH 3 ) 3 OH, CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH 2 CH(O)CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 Cl, CH 2 OCN, or —CH(═O).
3. The thermal conductive composition of claim 1 , wherein R 7 is H, or NH 2 , —Si(OR 9 ) 2 CH 2 CH 2 NH 2 , Si(OR 9 ) 3 , —N + (CH 3 ) 3 − OH, CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH 2 CH(O)CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 Cl, CH 2 OCN, or —CH(═O).
4. The thermal conductive composition of claim 1 , wherein the composition is a siloxane polymer cross linked or cured with a compound of Formula (I) or (II).
5. The thermal conductive composition of claim 4 , wherein the siloxane polymer cured or cross linked with a compound of Formula (I) or (II) has a formula of:
wherein
each R 12 is alkenyl, alkenylaryl, aryl or alicyclic; and
each z is independently about 1 to about 100.
6. The thermal conductive composition of claim 1 , wherein the composition is a polyurethane cross linked with a compound of Formula (I) or (II).
7. The thermal conductive composition of claim 6 , wherein the polyurethane cross linked with a compound of Formula (I) or (II) is a compound of Formula (III):
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 2 , R 3 , and R 4 are each independently —H, or —NH 2 , —Si(OR 5 ) 3 , —Si(OR 5 ) 2 CH 2 CH 2 NH 2 , —Si(R 5 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 5 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, —CH(═O);
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl; and
R 11 is a polyurethane chain.
8. The thermal conductive composition of claim 1 , wherein the composition is a polyolefin copolymerized or grafted with a compound of Formula (I) or (II).
9. The thermal conductive composition of claim 8 , wherein the composition has a formula of:
wherein
M is Al, Ga, Si, Ge, In, or Sn; and
q is about 100 to about 10000.
10. A heat sink comprising at least one of a compound of Formula (I)
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 1 , R 2 , R 3 , and R 4 are each independently —H, or —NH 2 , —Si(OR 5 ) 3 , —Si(OR 5 ) 2 CH 2 CH 2 NH 2 , —Si(R 5 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 5 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, —CH(═O), provided that R 1 , R 2 , R 3 , and R 4 are not all H,
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl;
and a compound of Formula (II):
wherein:
y is about 10 to about 500;
R 6 is C 1 -C 6 alkyl or halo;
each R 7 is independently —H, or —NH 2 , —Si(OR 9 ) 3 , —Si(OR 9 ) 2 CH 2 CH 2 NH 2 , —Si(R 9 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 9 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, or —CH(═O), provided that each R 7 are not both H;
R 8 is —NH—CH 2 —CH 2 —NH 2 or Al(R 10 ) 2 ;
R 9 is C 1 -C 6 alkyl; and
R 10 is C 1 -C 6 alkyl or halo.
11. The heat sink of claim 10 , wherein R 7 is H, —NH 2 , —Si(OR 9 ) 2 CH 2 CH 2 NH 2 , —Si(OR 9 ) 3 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH 2 CH(O)CH 2 , —CH═CHCN, —OCN, —CH 2 OH, —CH 2 Cl, —CH 2 OCN, —CH(═O).
12. The heat sink of claim 10 , wherein the composition is a siloxane polymer cured or cross linked with a compound of Formula (I) or (II).
13. The heat sink of claim 12 , wherein the siloxane polymer cured or cross linked with a compound of Formula (I) or (II) a formula of:
wherein
each R 12 is alkenyl, alkenylaryl, aryl or alicyclic; and
each z is independently about 10 to about 1000.
14. The heat sink of claim 10 , wherein the composition is a polyurethane cross linked with a compound of Formula (I) or (II).
15. The heat sink of claim 14 , wherein the polyurethane cross linked with a compound of Formula (I) or (II) is a compound of Formula (III):
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 2 , R 3 , and R 4 are each independently —H, or —NH 2 , —Si(OR 5 ) 3 , —Si(OR 5 ) 2 CH 2 CH 2 NH 2 , —Si(R 5 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 5 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, —CH(═O);
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl; and
R 11 is a polyurethane chain.
16. The heat sink of claim 10 , wherein the composition is a polyolefin copolymerized or grafted with a compound of Formula (I) or (II).
17. The heat sink of claim 16 , wherein the polyolefin copolymerized or grafted with a compound of Formula (I) or (II) has a formula of:
wherein
M is Al, Ga, Si, Ge, In, or Sn; and
q is about 100 to about 10000.
18. A heat transfer system or an electronic device:
the heat transfer system comprising:
at least one heat source;
at least one heat sink; and
at least one thermal conductive composition comprising at least one of a compound of Formula (I)
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 1 , R 2 , R 3 , and R 4 are each independently —H, or —NH 2 , —Si(OR 5 ) 3 , —Si(OR 5 ) 2 CH 2 CH 2 NH 2 , —Si(R 5 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 5 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, —CH(═O), provided that R 1 , R 2 , R 3 , and R 4 are not all H,
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl;
or a compound of Formula (II):
wherein:
y is about 10 to about 500;
R 6 is C 1 -C 6 alkyl or halo;
each R 7 is independently —H, or —NH 2 , —Si(OR 9 ) 3 , —Si(OR 9 ) 2 CH 2 CH 2 NH 2 , —Si(R 9 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 9 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, or —CH(═O), provided that each R 7 are not both H;
R 8 is —NH—CH 2 —CH 2 —NH 2 or Al(R 10 ) 2 ;
R 9 is C 1 -C 6 alkyl; and
R 10 is C 1 -C 6 alkyl or halo;
wherein at least a portion of the thermal conductive composition is positioned substantially between the heat source and the heat sink and provides thermal communication between the heat source and heat sink; or
an electronic device, the electronic device at least partially encapsulated by a thermal conductive composition comprising at least one of a compound of Formula (I):
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 1 , R 2 , R 3 , and R 4 are each independently —H, or —NH 2 , —Si(OR 5 ) 3 , —Si(OR 5 ) 2 CH 2 CH 2 NH 2 , —Si(R 5 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 5 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, —CH(═O), provided that R 1 , R 2 , R 3 , and R 4 are not all H,
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl;
and a compound of Formula (II):
wherein:
y is about 10 to about 500;
R 6 is C 1 -C 6 alkyl or halo;
each R 7 is independently —H, or —NH 2 , —Si(OR 9 ) 3 , —Si(OR 9 ) 2 CH 2 CH 2 NH 2 , —Si(R 9 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 9 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, or —CH(═O), provided that each R 7 are not both H;
R 8 is —NH—CH 2 —CH 2 —NH 2 or Al(R 10 ) 2 ;
R 9 is C 1 -C 6 alkyl; and
R 10 is C 1 -C 6 alkyl or halo.
19. A method of preparing:
a polyurethane cross-linked compound of Formula (I) or (II), the method comprising contacting a compound of Formula (I) or Formula (II)
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 1 , R 2 , R 3 , and R 4 are each independently —H, or —NH 2 , —Si(OR 5 ) 3 , —Si(OR 5 ) 2 CH 2 CH 2 NH 2 , —Si(R 5 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 5 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, —CH(═O), provided that R 1 , R 2 , R 3 , and R 4 are not all H,
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl;
wherein:
y is about 10 to about 500;
R 6 is C 1 -C 6 alkyl or halo;
each R 7 is independently —H, or —NH 2 , —Si(OR 9 ) 3 , —Si(OR 9 ) 2 CH 2 CH 2 NH 2 , —Si(R 9 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 9 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, or —CH(═O), provided that each R 7 are not both H;
R 8 is —NH—CH 2 —CH 2 —NH 2 or Al(R 10 ) 2 ;
R 9 is C 1 -C 6 alkyl; and
R 10 is C 1 -C 6 alkyl or halo,
with a diisocyanate and a polyol under conditions sufficient to form a polyurethane cross-linked compound of Formula (I) or (II); or,
a siloxane polymer cross linked or cured with a compound of Formula (I) or (II), the method comprising contacting a compound of Formula (I) or (II)
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 1 , R 2 , R3, and R 4 are each independently —H, or —NH 2 , —Si(OR 5 ) 3 , —Si(OR 5 ) 2 CH 2 CH 2 NH 2 , —Si(R 5 ) 2 CH 2 CH 2 NH 2 , —N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 5 ) 2 CH 2 CH(O)CH 2 ,—CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, —CH(═O), provided that R 1 , R 2 , R 3 , and R 4 are not all H,
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl;
wherein:
y is about 10 to about 500;
R 6 is C 1 -C 6 alkyl or halo;
each R 7 is independently —H, or —NH 2 , —Si(OR 9 ) 3 , —Si(OR 9 ) 2 CH 2 CH 2 NH 2 , —Si(R 9 ) 2 CH 2 CH 2 NH 2 ,
—N + (CH 3 ) 3 − OH, —CH 2 CH(O)CH 2 , —Si(R 9 ) 2 CH 2 CH(O)CH 2 , —CH 3 , —CH═CH 2 , —CH 2 CH═CH 2 , —CH═CH—CN, —OCN, —CH 2 OH, CH 2 X, CH 2 OCN, or —CH(═O), provided that each R 7 are not both H;
R 8 is —NH—CH 2 —CH 2 —NH 2 or Al(R 10 ) 2 ;
R 9 is C 1 -C 6 alkyl; and
R 10 is C 1 -C 6 alkyl or halo,
with a siloxane cyclic monomer or silicone oil in the presence of a crosslinking agent to form the siloxane polymer cross linked or cured with a compound of Formula (I) or (II); or
polyolefin copolymerized or grafted with a compound of Formula (I) or (II), the method comprising contacting a compound of a compound of Formula (I) or (II)
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 1 , R 2 , R 3 , and R 4 are each independently —CH 2 ═CH—, CH 2 ═CH CH 2 —, or —CH 2 ═CH(CN),
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl;
wherein:
y is about 10 to about 500;
R 6 is C 1 -C 6 alkyl or halo;
each R 7 is independently CH 2 ═CH—, or CH 2 ═CHCH 2 —, or CH 2 ═CH(CN)—;
R 8 is —NH—CH 2 —CH 2 —NH 2 or Al(R 10 ) 2 ;
R 9 is C 1 -C 6 alkyl; and
R 10 is C 1 -C 6 alkyl or halo,
with an olefin monomer under conditions suitable for free radical polymerization or anionic polymerization; or
polyolefin grafted with a compound of Formula (I) or (II), the method comprising contacting a polyolefin with a compound of Formula (I) or (II),
wherein:
M is Al, Ga, Si, Ge, In, or Sn;
R 1 , R 2 , R 3 , and R 4 are —CH 3 ,
wherein:
X is halo;
R 5 is C 1 -C 6 alkyl;
wherein:
y is about 10 to about 500;
R 6 is C 1 -C 6 alkyl or halo;
R 7 is —CH 3 ;
R 8 is —NH—CH 2 —CH 2 —NH 2 or Al(R 10 ) 2 ;
R 9 is C 1 -C 6 alkyl; and
R 10 is C 1 -C 6 alkyl or halo,
in the presence of a peroxide in a reactive extruder.