Fluorine-containing polymer composition

Patent metadata

Field	Value
Publication number	US-9447266-B2
Application number	US-201514883690-A
Country	US
Kind code	B2
Filing date	Oct 15, 2015
Priority date	Dec 16, 2011
Publication date	Sep 20, 2016
Grant date	Sep 20, 2016

Abstract

Described herein is a melt-processible polymer composition comprising:
a non-fluorinated melt-processible polymer; and a fluorine-containing polymer comprising an end-group having a structures from group consisting of:

and combinations thereof;

wherein X 1 , X 2 , and X 3 are each independently selected from H, F, Cl, a C 1 to C 4 alkyl group, and a C 1 to C 4 fluorinated alkyl group; R 7 is a linking group comprising at least 2 or more catenary atoms; and Z 1 and Z 2 are independently selected from F, CF 3 , and a perfluoroalkyl group.

First claim

What is claimed is:

1. A melt-processible polymer composition comprising:
a non-fluorinated melt-processible polymer; and
a fluorine-containing polymer comprising an end-group having a structures from group consisting of:

and combinations thereof;
wherein X 1 , X 2 , and X 3 are each independently selected from H, F, Cl, a C 1 to C 4 alkyl group, and a C 1 to C 4 fluorinated alkyl group; R 7 is a linking group comprising at least 2 or more catenary atoms; and Z 1 and Z 2 are independently selected from F, CF 3 , and a perfluoroalkyl group.

2. The melt-processible polymer composition of claim 1 , wherein the end-group is selected from:

3. The melt-processible polymer composition claim 1 , further comprising a synergist.

4. The melt-processible polymer composition of claim 3 , wherein the synergist is polyethylene glycol or polycaprolactone.

5. The melt-processible polymer composition of claim 1 , wherein the fluorine-containing polymer is crystalline.

6. The melt-processible polymer composition of claim 1 , wherein the fluorine-containing polymer is semi-crystalline, or amorphous.

7. The melt-processible polymer composition of claim 1 , wherein the fluorine-containing polymer is partially fluorinated.

8. The melt-processible polymer composition of claim 1 , wherein the fluorine-containing polymer is fully fluorinated.

9. The melt-processible polymer composition of claim 1 , wherein the fluorine-containing polymer further comprises interpolymerized units of a monomer, wherein the monomer is selected from: dienes, halogenated alkenes, a fluoroalkyl substituted ethylene, allyl iodide, fluorinated alkyl vinyl ethers, fluorinated alkoxy vinyl ethers, olefins, acrylates, styrene, vinyl ethers, and combinations thereof.

10. The melt-processible polymer composition of claim 9 , wherein the monomer is selected from: tetrafluoroethylene, hexafluoropropylene, trifluoroethylene, vinylidene fluoride, vinyl fluoride, bromotrifluoroethylene, chlorotrifluoroethylene, CF 3 CH═CF 2 , C 4 F 9 CH═CH 2 , CF 2 ═CHBr, CH 2 ═CHCH 2 Br, CF 2 ═CFCF 2 Br, CH 2 ═CHCF 2 CF 2 Br, and combinations thereof.

11. The melt-processible polymer composition of claim 1 , wherein the melt-processible polymer composition comprises 1 to 50 weight % of the fluorine-containing polymer.

12. The melt-processible polymer composition of claim 1 , wherein the melt-processible polymer composition comprises 0.002 to 2 weight % of the fluorine-containing polymer.

13. The melt-processible polymer composition of claim 1 , wherein the non-fluorinated melt-processible polymer is selected from at least one of: a polyamide, a polyester, a chlorinated polyethylene, a polyvinyl resin, a polycarbonate, a polyketone, a polyurea, a polyimide, a polyurethanes, a polyolefin, and a polystyrene.

14. The melt-processible polymer composition of claim 1 , wherein the fluorine-containing polymer has an LCBI of greater than 0.2.

15. An article comprising the melt-processible polymer composition of claim 1 .

Assignees

• 3M Innovative Properties Co

Inventors

• LAVALLéE CLAUDE
• Dahlke Gregg D
• Duchesne Denis
• Fukushi Tatsuo
• Grootaert Werner M A
• Guerra Miguel A
• Qiu Zai-Ming

Classifications

• C08L2207/066

  LDPE (radical process) · CPC title

• C08L27/12

  containing fluorine atoms · CPC title

• C08L2205/06

  having improved processability or containing aids for moulding methods · CPC title

• C08L2205/03

  containing three or more polymers in a blend · CPC title

• C08L27/16

  Homopolymers or copolymers or vinylidene fluoride · CPC title