Claims
- 1. A polymer composition comprising:a PVC polymer; and a tetrahalophthalate mixture comprising a tetrabromophthalate and a tetrachlorophthalate.
- 2. The composition according to claim 1 further comprising antimony trioxide.
- 3. The composition according to claim 1 further comprising trioctyl trimellitate.
- 4. The composition according to claim 1 further comprising a lead stabilizer.
- 5. The composition according to claim 1 wherein said tetrahalophthalate mixture comprises a weight ratio of dialkyl tetrachlorophthalate to dialkyl tetrabromophthalate within the range of 1-99%.
- 6. The composition according to claim 1 wherein said tetrahalophthalate mixture comprises a weight ratio of dialkyl tetrachlorophthalate to dialkyl tetrabromophthalate within the range of 1-50%.
- 7. The composition according to claim 1 wherein said tetrahalophthalate mixture comprises a weight ratio of dialkyl tetrachlorophthalate to dialkyl tetrabromophthalate within the range of 25-33%.
- 8. The composition of claim 1 wherein the tetrabromophthalate comprises dioctyl tetrabromophthalate.
- 9. The composition of claim 1 wherein the tetrachlorophthalate comprises dioctyl tetrachlorophthalate.
- 10. The composition of claim 1 wherein the tetrabromophthalate is a mixture of dialkyl tetrabromophthalates.
- 11. The composition of claim 10 wherein the tetrabromophthalate comprises a di(nonyl/decyl/undecyl) tetrabromophthalate mixture.
- 12. The composition of claim 1 wherein said tetrahalphthalate mixture is formed by mixing at room temperature until homogeneous.
Parent Case Info
This application is a continuation of application Ser. No. 09/504,109, filed Feb. 15, 2000, now U.S. Pat. No. 6,337,419, which is a continuation of application Ser. No. 08/896,184, filed Jul. 17, 1997, now U.S. Pat. No. 6,114,425.
US Referenced Citations (29)
Foreign Referenced Citations (3)
Number |
Date |
Country |
5005701 |
Mar 1975 |
JP |
6220264 |
Aug 1994 |
JP |
WW8803542 |
May 1988 |
WO |
Non-Patent Literature Citations (2)
Entry |
United States Statutory Invention Registration No. H579; published, Feb. 7, 1989 by Fidelle et al., entitled “Highly Flame Retarded Flexible Polyvinyl Chloride Compositions and Method for Producing Same”. |
Weissermel, Klaus and Hans-Jurgen, Arpe, Industrial Organic Chemistry, Second, Revised and Extended Edition, translated by Lindley, Charlet R., 1993; pp. 132-134, 206-208. |
Continuations (2)
|
Number |
Date |
Country |
Parent |
09/504109 |
Feb 2000 |
US |
Child |
09/908722 |
|
US |
Parent |
08/896184 |
Jul 1997 |
US |
Child |
09/504109 |
|
US |