Claims
- 1. A release agent suitable for use in the production of molded polyurethane or polyurea articles, said agent being a compound of the formula ##STR12## wherein R.sup.1 =is alkyl with 20 to 40 carbon atoms,
- R.sup.2 =is R.sup.1 or methyl,
- R.sup.3 =is --(CH.sub.2).sub.s -- or --[(CH.sub.2).sub.t --].sub.r (OC.sub.2 H.sub.4).sub.x --(OC.sub.3 H.sub.6).sub.y --
- wherein
- s=3 to 12,
- t=3 to 12,
- r=0 or 1,
- x=0 to 10,
- y=0 to 10,
- and the sum of x+y is not less than 1,
- n=0 to 50,
- m=2 to 100, m being greater than n,
- p=0 to 5,
- with the proviso that the siloxane has a melting point of not less than 30.degree. C.
- 2. The release agent of claim 1, wherein R.sup.1 is alkyl with 20-30 carbon atoms.
- 3. The release agent of claim 1, wherein R.sup.2 is methyl.
- 4. The release agent of claim 1, wherein m=5-80.
- 5. The release agent of claim 1, wherein p=1 or 2.
- 6. The release agent of claim 1, wherein the compound is selected from the group consisting of ##STR13## wherein R.sup.1 is alkyl with 24-28 carbon atoms, ##STR14## wherein R.sup.1 is alkyl with 20-24 carbon atoms, ##STR15## wherein R.sup.1 is alkyl with 30-36 carbon atoms, ##STR16## wherein R.sup.1 is alkyl with 24-28 carbon atoms, ##STR17## wherein R.sup.1 is alkyl with 24-28 carbon atoms, and ##STR18## wherein R.sup.1 is alkyl with 28-32 carbon atoms.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3600402 |
Jan 1986 |
DEX |
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CROSS REFERENCE TO PRIOR APPLICATION
This is a continuation-in-part of application Ser. No. 07/194,386, filed 05/16/88 abandoned, which in turn was a continuation-in-part of application Ser. No. 938,273, filed 12/05/86, now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3439014 |
Patton et al. |
Apr 1969 |
|
4831081 |
King, III et al. |
May 1989 |
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Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
194386 |
May 1988 |
|
Parent |
938273 |
Dec 1986 |
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