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| Swimming pool water heating system |
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| Portable light-weight solar heater |
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| Solar heater |
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| Flat plate solar heat collector |
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Polyamide-based thermoplastic formulation
| Details |
Inventors: Hussain, Saadat;
Assignee: Ethyl Corporation (Richmond, VA)
Primary Examiner: Michl; Paul R.
Assistant Examiner: Cain; Edward J.
Attorney, Agent or Firm: Spielman, Jr.; Edgar E.
This invention relates to thermoplastic formulations which comprise: (1) at least 50 weight percent, based upon the total weight of the formulation, unreinforced nylon selected from nylon 6,6 nylon 6 or mixtures thereof, and (2) a sufficient amount of decabromodiphenyl ethane to provide a melt index, as measured by ASTM D 1238-79, 265.degree. C./1200 grams, which is higher than the like-measured melt index of such nylon alone. This invention also relates to thermoplastic formulations which comprise: (1) at least 50 weight percent, based upon the total weight of the formulation, reinforced nylon selected from glass reinforced nylon 6,6, glass reinforced nylon 6 or mixtures thereof, and (2) a sufficient amount of decabromodiphenyl ethane to provide a melt index, as measured by ASTM D 1238.LAMBDA., 275.degree. C./550 grams, which is higher than the like-measured melt index of such reinforced nylon alone. |
|
DETAILED DESCRIPTION What is claimed is: 1.
A thermoplastic formulation comprising: (a) at least 50 weight percent, based upon the total weight of said formulation, of an unreinforced nylon selected from nylon 6,6, nylon 6 and mixtures thereof; and (b) decabromodiphenyl ethane in an amount sufficient to provide said formulation with a melt index value, as measured by ASTM D 1238-79, which is greater than the melt index value for said unreinforced nylon alone.
2.
The formulation of claim 1 wherein said formulation additionally contains a flame retardant synergistic amount of Sb.
sub.
2 O.
sub.
3.
3.
The formulation of claim 1 wherein said decabromodiphenyl ethane is present in an amount within the range of from about 5 weight percent to about 20 weight percent, based upon the total weight of the formulation.
4.
The formulation of claim 3 wherein said formulation contains from about 2 weight percent to about 6 weight percent Sb.
sub.
2 O.
sub.
3, based upon the total weight of the formulation.
5.
The formulation of claim 1 wherein said formulation contains from about 75 weight percent to about 85 weight percent of said unreinforced nylon.
6.
The formulation of claim 4 wherein said formulation contains from about 60 weight percent to about 90 weight percent of said nylon.
7.
A thermoplastic formulation comprising: (a) at least 50 weight percent, based upon the total weight of said formulation, of a reinforced nylon selected from glass reinforced nylon 6,6, glass reinforced nylon 6 and mixtures thereof; and (b) decabromodiphenyl ethane in an amount sufficient to provide said formulation with a melt index value, as measured by ASTM D 1238-79, which is greater than the melt index value for said reinforced nylon alone.
8.
The formulation of claim 7 wherein said formulation additionally contains Sb.
sub.
2 O.
sub.
3.
9.
The formulation of claim 7 wherein said decabromodiphenyl ethane is present in an amount within the range of from about 5 weight percent to about 20 weight percent, based upon the total weight of the formulation
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Heat Accumulators 
