摘要:
A sulfur-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[—CaH2a—S—S(═O)b—R]n wherein G is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]p group of valence n; each R independently is a monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a and b independently is an integer wherein a is 2 to 6 and b is 1 or 2; n is an integer of from 3 to 6; and p is an integer of from 0 to 3.
摘要:
A crosslinked polysulfide-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: [(CaH2a-)mG1(-CbH2bSx—)n−m]o[CcH2c-G2-CdH2dSy—]p[R]q wherein G1 is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]r group of valence n; G2 is a saturated, divalent cyclic aliphatic group of valence 2 containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]r group of valence n; each R independently is a selected from the group consisting of a hydrogen atom, monovalent hydrocarbon of up to 20 carbon atoms and a halogen atom; each occurrence of subscripts a, b, c, d, m, n, o, p, q, x and y independently is an integer wherein a is 2 to 6; b is 2 to 6; c is 1 to 6; d is 1 to 6; m is 1 or 2; n is 3 to 5; o is a positive integer, p is 0 or a positive integer; q is a positive integer; r is an integer of from 0 to 3; x is 1 to 10 and y is 1 to 10, with the provisos that, (i) at least one x is 2 to 10; (ii) the ratio of p to o is less than 1 to 5; and q is equal to the sum of unfilled valences of the (CaH2a-)mG1(-CbH2bSx—)n−m and CcH2c-G2-CdH2dSy— groups.
摘要翻译:可用作填充的硫可硫化弹性体组合物的交联剂的交联的含多硫醚的脂环族化合物由以下通式表示:[(CaH2a)mG1(-CbH2bSx-)nm] o [CcH2c-G2-CdH2dSy-] p [R] q,其中G1是含有5至12个碳原子并且任选地含有至少一个卤素或饱和单环硅氧烷[RSiO - ] n [R 2 SiO] - 基的价数n的饱和单环脂族基团n; G 2是含有5至12个碳原子并且任选地含有至少一个卤素或饱和单环硅氧烷[RSiO - ] n [R 2 SiO] - 基的价数n的饱和二价环状脂肪族基团; 每个R独立地选自氢原子,至多20个碳原子的一价烃和卤素原子; 每个出现的下标a,b,c,d,m,n,o,p,q,x和y独立地是其中a是2至6的整数; b为2〜6; c为1〜6; d为1〜6; m为1或2; n为3〜5; o是正整数,p是0或正整数; q是正整数; r为0〜3的整数; x为1至10且y为1至10,条件是(i)至少一个x为2至10; (ii)p与o之比小于1至5; 且q等于(CaH2a)mG1(-CbH2bSx-)n-m和CcH2c-G2-CdH2dSy-基团的未饱和化合价的总和。
摘要:
A tire composition with a Shore A hardness, according to DIN 53 505 and ASTM D2240, of not less than 40 and not greater than 95 and a glass-transition temperature Tg (E″max), according to DIN 53 513 with a specified temperature sweep of −80° C. to +80° C. and a specified compression of 10+0.2% at 10 Hz, not less than −80° C. and not greater than 0° C., with improved abrasion performance, in particular for pneumatic tires, has the following composition: at least one vulcanizable diene rubber selected from natural rubbers, synthetic polyisoprene rubbers, polyisobutylene rubbers, polybutadiene rubbers (BR), and random styrene-butadiene rubbers; from 35 to 300 phr of at least one active filler selected from carbon blacks, silicas, silicon based fillers, and metal oxides, of which at least 10 phr must be carbon blacks, silicas, or some combination thereof; from 0 to 250 phr of other or further additives; from 0.1·10−3 to 42·10−3 mhr (mol per hundred parts of rubber) of a vulcanizing agent which crosslinks with a functionality>4; and from 0.1 to 10 phr of at least one vulcanization accelerator.
摘要:
A sulfur-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[-CaH2a—S[C(═O)]bR]n wherein G is selected from the group consisting of: saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen, and saturated monocyclic silicone [RSiO—]n[R2SiO—]p group of valence n; wherein each R independently is a hydrogen or monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a and b independently is an integer wherein a is 2 to 6 and b is 0 or 1; p is an integer of from 0 to 3; and, n is an integer of from 3 to 6, with the provisos that when b is 0, R is a hydrogen atom, and when G is a non-halogenated, saturated monocyclic aliphatic group of 6 carbon atoms, n cannot be 3.
摘要:
A sulfur-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[-CaH2a—S[C(═O)]bR]n wherein G is selected from the group consisting of: saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen, and saturated monocyclic silicone [RsiO—]n[R2SiO—]p group of valence n; wherein each R independently is a hydrogen or monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a and b independently is an integer wherein a is 2 to 6 and b is 0 or 1; p is an integer of from 0 to 3; and, n is an integer of from 3 to 6, with the provisos that when b is 0, R is a hydrogen atom, and when G is a non-halogenated, saturated monocyclic aliphatic group of 6 carbon atoms, n cannot be 3.
摘要:
A tire composition with a Shore A hardness, according to DIN 53 505 and ASTM D2240, of not less than 40 and not greater than 95 and a glass-transition temperature Tg (E″max), according to DIN 53 513 with a specified temperature sweep of −80° C. to +80° C. and a specified compression of 10+0.2% at 10 Hz, not less than −80° C. and not greater than 0° C., with improved abrasion performance, in particular for pneumatic tires, has the following composition: at least one vulcanizable diene rubber selected from natural rubbers, synthetic polyisoprene rubbers, polyisobutylene rubbers, polybutadiene rubbers (BR), and random styrene-butadiene rubbers; from 35 to 300 phr of at least one active filler selected from carbon blacks, silicas, silicon based fillers, and metal oxides, of which at least 10 phr must be carbon blacks, silicas, or some combination thereof; from 0 to 250 phr of other or further additives; from 0.1·10−3 to 42·10−3 mhr (mol per hundred parts of rubber) of a vulcanizing agent which crosslinks with a functionality>4; and from 0.1 to 10 phr of at least one vulcanization accelerator.
摘要:
A thiocarbamoyldisulfanyl-functional cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[-CaH2a—S—S—C(═S)NR2]n wherein G is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]p group of valence n; each R independently is a hydrogen or a monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a independently is an integer wherein a is 2 to 6; n is an integer of from 3 to 6; and, p is an integer of from 0 to 3.
摘要:
A sulfur-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[-CaH2a—S[C(═O)]bR]n wherein G is selected from the group consisting of: saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen, and saturated monocyclic silicone [RSiO—]n[R2SiO—]p group of valence n; wherein each R independently is a hydrogen or monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a and b independently is an integer wherein a is 2 to 6 and b is 0 or 1; p is an integer of from 0 to 3; and, n is an integer of from 3 to 6, with the provisos that when b is 0, R is a hydrogen atom, and when G is a non-halogenated, saturated monocyclic aliphatic group of 6 carbon atoms, n cannot be 3.
摘要:
A crosslinked polysulfide-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: [(CaH2a-)mG1(-CbH2bSx—)n−m]o[CcH2c-G2-CdH2dSy—]p[R]q wherein G1 is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]r group of valence n; G2 is a saturated, divalent cyclic aliphatic group of valence 2 containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]r group of valence n; each R independently is a selected from the group consisting of a hydrogen atom, monovalent hydrocarbon of up to 20 carbon atoms and a halogen atom; each occurrence of subscripts a, b, c, d, m, n, o, p, q, x and y independently is an integer wherein a is 2 to 6; b is 2 to 6; c is 1 to 6; d is 1 to 6; m is 1 or 2; n is 3 to 5; o is a positive integer, p is 0 or a positive integer; q is a positive integer; r is an integer of from 0 to 3; x is 1 to 10 and y is 1 to 10, with the provisos that, (i) at least one x is 2 to 10; (ii) the ratio of p to o is less than 1 to 5; and q is equal to the sum of unfilled valences of the (CaH2a-)mG1(-CbH2bSx—)n−m and CcH2c-G2-CdH2dSy— groups.
摘要翻译:可用作填充的硫可硫化弹性体组合物的交联剂的交联的含多硫醚的脂环族化合物由以下通式表示:[(CaH2a)mG1(-CbH2bSx-)n-m] o [CcH2c-G2-CdH2dSy- ] p [R] q其中G1是含有5至12个碳原子并且任选地含有至少一个卤素或饱和单环硅氧烷[RSiO - ] n [R 2 SiO] - 基的化合价的饱和单价脂族基团n n; G 2是含有5至12个碳原子并且任选地含有至少一个卤素或饱和单环硅氧烷[RSiO - ] n [R 2 SiO] - 基的价数n的饱和二价环状脂肪族基团; 每个R独立地选自氢原子,至多20个碳原子的一价烃和卤素原子; 每个出现的下标a,b,c,d,m,n,o,p,q,x和y独立地是其中a是2至6的整数; b为2〜6; c为1〜6; d为1〜6; m为1或2; n为3〜5; o是正整数,p是0或正整数; q是正整数; r为0〜3的整数; x为1至10且y为1至10,条件是(i)至少一个x为2至10; (ii)p与o之比小于1至5; 且q等于(CaH2a)mG1(-CbH2bSx-)n-m和CcH2c-G2-CdH2dSy-基团的未饱和化合价的总和。
摘要:
A sulfur-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[—CaH2a—S—S(═O)b—R]n wherein G is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]p group of valence n; each R independently is a monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a and b independently is an integer wherein a is 2 to 6 and b is 1 or 2; n is an integer of from 3 to 6; and p is an integer of from 0 to 3.