Polymer composition and the use thereof
AssigneeMitsui Petrochemical Industries, Ltd.
InventorsMasami Takeda, Tsuneaki Muro
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Abstract
A polymer composition comprising: (A) 15 to 40% by weight of a hydrogenated product of a block copolymer comprising a vinyl aromatic compound (a.sub.1) and a conjugated diene compound (a.sub.2), (B) 4 to 30% by weight of an isopropenyltoluene polymer comprising meta-iso-propenyltoluene as the main constituting unit, and (C) 40 to 80% by weight of a compound selected from the group consisting of .alpha.-olefin polymers (c.sub.1) having a number average molecular weight ranging from 250 to 5000 and squalane (c.sub.2), wherein the total amount of the components (A), (B) and (C) is 100% by weight.
Claims3
A polymer composition comprising:
- (A) 15 to 40% by weight of a hydrogenated product of a block copolymer comprising a vinyl aromatic compound (a.sub.1) and a conjugated diene compound (a.sub.2);
- (B) 4 to 30% by weight of an isopropenyltoluene polymer comprising meta-isopropenyltoluene as the main constituting unit;
- and
- (C) 40 to 80% by weight of a compound selected from the group consisting of .alpha.-olefin polymers (c.sub.1) having a number average molecular weight ranging from 250 to 5000 and squalane (c.sub.2);
- the total amount of the components (A), (B) and (C) being 100% by weight.
A coating material for optical fiber containing as the component a polymer composition comprising:
- (A) 15 to 40% by weight of a hydrogenated product of a block copolymer comprising a vinyl aromatic compound (a.sub.1) and a conjugated diene compound (a.sub.2);
- (B) 4 to 30% by weight of an isopropenyltoluene polymer comprising meta-isopropenyltoluene as the main constituting unit;
- and
- (C) 40 to 80% by weight of a compound selected from the group consisting of .alpha.-olefin polymers (c.sub.1) having a number average molecular weight ranging from 250 to 5000 and squalane (c.sub.2), the total amount of the components (A), (B) and (C) being 100% by weight.
A hot melt adhesive containing as the component a polymer composition comprising:
- (A) 15 to 40% by weight of a hydrogenated product of a block copolymer comprising a vinyl aromatic compound (a.sub.1) and a conjugated diene compound (a.sub.2);
- (B) 4 to 30% by weight of an isopropenyltoluene polymer comprising meta-isopropenyltoluene as the main constituting unit;
- and
- (C) 40 to 80% by weight of a compound selected from the group consisting of .alpha.-olefin polymers (c.sub.1) having a number average molecular weight ranging from 250 to 5000 and squalane (c2), the toial amount of the components (A), (B) and (C) being 100% by weight.
Dependencies are inferred from the claim text.