| 摘要 |
1. A polymer mixture of rigid non-plasticised polyvinyl chloride with styrene-butadiene plastic. It is charactrised in that 4 to 20 parts by mass of primary or secondary styrene-butadiene plastic are mixed with 100 parts by mass of rigid non-plasticised polyvinyl chloride: primary - used for producing window and door frames for construction industry, or secondary - obtained as a technological refuse during the production of window and door frames for construction industry.
|
