Fine particles for modifying polyolefine
AssigneeSumitomo Chemical Company, Limited
InventorsKazuhiro Yamazaki, Hiroyuki Tanimura
Life of this patent
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Abstract
A fine particle for modifying polyolefine is provide. The fine particle comprises (i) a core layer having a refractive index which differs from that of the polyolefine by 0.05 or less and (ii) a shell layer having a solubility parameter which differs from that of the polyolefine by 3 MPa½ or less, wherein the core layer is coated with the shell layer. The fine particle is excellent in affinity with polyolefine, and can modify polyolefine without accompanying damage on the transparency of the polyolefine.
Claims11
A fine particle for modifying polyolefine which comprises (i) a core layer comprised of a crosslinked polymer and having a refractive index which differs from that of the polyolefine by 0.05 or less and (ii) a shell layer having a solubility parameter which differs from that of the polyolefine by 3 MPa½ or less, wherein the core layer is coated with the shell layer.
A polyolefine film comprising fine particles which comprise (i) a core layer comprises of a crosslinked polymer and having a refractive index which differs from that of the polyolefine by 0.05 or less and (ii) a shell layer having a solubility parameter which differs from that of the polyolefine by 3 MPa½ or less, wherein the core layer is coated with the shell layer.
A method for modifying polyolefine, which comprises a step of adding a fine particle to polyolefine, wherein the fine particle comprises (i) a core layer comprised of a cross-linked polymer and having a refractive index which differs from that of the polyolefine by 0.05 or less and (ii) a shell layer having a solubility parameter which differs from that of the polyolefine by 3 MPa½ or less, and the core layer is coated with the shell layer.
Dependencies are inferred from the claim text.