| (19) |
 |
|
(11) |
EP 0 242 227 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
05.10.1988 Bulletin 1988/40 |
| (43) |
Date of publication A2: |
|
21.10.1987 Bulletin 1987/43 |
| (22) |
Date of filing: 16.04.1987 |
|
|
| (84) |
Designated Contracting States: |
|
CH FR GB IT LI |
| (30) |
Priority: |
17.04.1986 DE 3612971
|
| (71) |
Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY |
|
() |
|
| (72) |
Inventors: |
|
- Knorr, Winfried c/o Minnesota Mining and
()
- John, Guenther c/o Minnesota Mining and
()
|
|
| |
|
| (54) |
Elastomeric neutron protection material |
(57) Elastomeric neutron protection material comprising a polymeric reaction product of
a rection between a) at least one polybutadiene-based polyol having a hydrogen content
comparable to that of polyethylene; and b) at least one aliphatic diisocyanate; the
material having a hydrogen content of at least about 8 weight percent.