| (19) |
 |
|
(11) |
EP 0 080 272 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
22.08.1984 Bulletin 1984/34 |
| (43) |
Date of publication A2: |
|
01.06.1983 Bulletin 1983/22 |
| (22) |
Date of filing: 28.10.1982 |
|
|
| (84) |
Designated Contracting States: |
|
DE FR GB IT |
| (30) |
Priority: |
28.10.1981 ZA 817466
|
| (71) |
Applicant: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION |
|
() |
|
| (72) |
Inventors: |
|
- Barkhuysen, Francois Albertus
()
- Van Rensburg, Nicolaas Jacobus Janse
()
|
|
| |
|
| (54) |
Shrink-resist treatment of wool |
(57) A method for the shrinkresist treatment of wool including the steps of chlorinating
the wool with an acidified hypochlorite; dechlorinating the product; acidifying the
product; and applying an acid colloid solution of suitable methylolmelamine resin
to the product.
The chlorination is preferably carried out in a suction drum in such a manner that
the level of active chlorine on the wool is in excess of 2% (m/m).