Weather-resistant flame-retardant resin composition, optical fiber cable, and electric wire
AssigneeSumitomo Electric Industries, Ltd.
InventorsTaro Fujita, Shinya Nishikawa, Nayu Yanagawa, Yoshiaki Nagao, Masakazu Takami, Kenta Tsuchiya
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Abstract
A weather-resistant flame-retardant resin composition includes: a polyolefin resin; a mixture of (poly) phosphate compounds, a total content of which is from 10 to 50 parts by mass with respect to 100 parts by mass of the polyolefin resin; 0.1 to 10 parts by mass a non-crosslinked silicone raw rubber having a number-average molecular weight of 10,000 to 1,000,000; and 0.1 to 20 parts by mass of an inorganic UV light shielding agent, and an electric wire and an optical fiber cable whose jacket is formed by the weather-resistant flame-retardant resin.
Claims7
A jacket having a one-layer coating structure that is coated on a conductor or an optical fiber, the jacket comprising:
- a resin composition consisting of:
- a polyolefin resin;
- a mixture of a first (poly) phosphate compound that is represented by a general formula (1) and a second (poly) phosphate compound that is represented by a general formula (3), a total content of which is greater than or equal to 10 parts by mass and less than or equal to 50 parts by mass with respect to 100 parts by mass of the polyolefin resin;
- 0.1 parts by mass or more and 10 parts by mass or less of a non-crosslinked silicone raw rubber having a number-average molecular weight of 10,000 to 1,000,000;
- and
- 0.1 parts by mass or more and 20 parts by mass or less of an inorganic UV light shielding agent,
- wherein the formula (1) is:
- where n is a number from 1 to 100, X1 is NH3 or a triazine derivative that is indicated by a general formula (2), and p is a number satisfying a relational formula 0<p≤n+2, wherein the formula (2) is:
- where Z1 and Z2 may be the same or different, and are each independently is a group selected from the group consisting of a group that is represented by —NR5R6, a hydroxy group, a mercapto group, a linear or branched alkyl group having 1 to 10 carbons, a linear or branched alkoxy group having 1 to 10 carbons, a phenyl group, and a vinyl group, wherein R5 and R6 are each independently a H atom, a linear or branched alkyl group having 1 to 6 carbons, or a methylol group, and
- wherein the formula (3) is:
- where r is a number from 1 to 100, Y1 is [R1R2N(CH2)mNR3R4], piperazine, or a diamine containing a piperazine ring, wherein R1, R2, R3, and R4 are each independently a H atom or a linear or branched alkyl group having 1 to 5 carbons, m is an integer from 1 to 10, and q is a number satisfying a relational formula 0<q≤r+2.
A weather-resistant flame-retardant resin composition that is directly coated on a conductor or an optical fiber, the resin composition comprising:
- a polyolefin resin;
- a mixture of a first (poly) phosphate compound that is represented by a general formula (1) and a second (poly) phosphate compound that is represented by a general formula (3), a total content of which is greater than or equal to 10 parts by mass and less than or equal to 50 parts by mass with respect to 100 parts by mass of the polyolefin resin;
- 0.1 parts by mass or more and 10 parts by mass or less of a non-crosslinked silicone raw rubber having a number-average molecular weight of 10,000 to 1,000,000;
- and
- 0.1 parts by mass or more and 20 parts by mass or less of an inorganic UV light shielding agent,
- wherein the formula (1) is:
- where n is a number from 1 to 100, X1 is NH3 or a triazine derivative that is indicated by a general formula (2), and p is a number satisfying a relational formula 0<p≤n+2, wherein the formula (2) is:
- where Z1 and Z2 may be the same or different, and are each independently is a group selected from the group consisting of a group that is represented by —NR5R6, a hydroxy group, a mercapto group, a linear or branched alkyl group having 1 to 10 carbons, a linear or branched alkoxy group having 1 to 10 carbons, a phenyl group, and a vinyl group, wherein R5 and R6 are each independently a H atom, a linear or branched alkyl group having 1 to 6 carbons, or a methylol group, and
- wherein the formula (3) is:
- where r is a number from 1 to 100, Y1 is [R1R2N(CH2)mNR3R4], piperazine, or a diamine containing a piperazine ring, wherein R1, R2, R3, and R4 are each independently a H atom or a linear liner or branched alkyl group having 1 to 5 carbons, m is an integer from 1 to 10, and q is a number satisfying a relational formula 0<q≤r+2.
Dependencies are inferred from the claim text.