| 摘要 |
<p>Horticultural yarn, made in one of the manners conventional therefor from one or more substances belonging to the group of polyolefins. The yarn material contains a photothermally degradable substance, known per se, i.e., a substance which disintegrates by action of light and/or heat, added, for instance in masterbatch form, to the basic material in such amounts that the yarn is compostable.</p> |
