Pre-dispersed master batch particle for rubber vulcanization cross-linking and preparation method of pre-dispersed master batch particle
A technology for pre-dispersing masterbatches and rubber, which is applied in the field of rubber additives and its preparation to achieve the effects of enhancing bonding, improving mechanical properties, and improving dispersibility
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Embodiment 1
[0029] Raw materials are composed according to mass fraction: 30 parts of thiocyanuric acid, 20 parts of 1,1'-dithiobiscaprolactam, 5 parts of coupling agent, 3 parts of inorganic filler, 5 parts of softening oil, 2 parts of processing aid and rubber Carrier 35 parts. Among them, the coupling agent is composed of 2.5 parts of γ-methacryloxypropyl trimethoxysilane and 2.5 parts of isopropyl tris (dioctyl pyrophosphate acyloxy) titanate; the softening oil is composed of 2.5 parts of paraffin Base rubber oil and 2.5 parts of naphthenic rubber oil; processing aid is composed of 1 part of sodium dodecylbenzene sulfonate and 1 part of sorbitan monolaurate; rubber carrier is composed of 10.5 parts of EPDM rubber and 24.5 parts It is composed of nitrile rubber; the inorganic filler is composed of 1.5 parts of kaolin with a fineness of 300 mesh and 1.5 parts of talcum powder with a fineness of 2500 mesh.
[0030] Preparation method: put rubber carrier, inorganic filler and softened oi...
Embodiment 2
[0032] Raw materials are composed in parts by mass: 35 parts of thiocyanuric acid, 25 parts of 1,1'-dithiobiscaprolactam, 3 parts of coupling agent, 5 parts of filler, 8 parts of softening oil, 4 parts of processing aid and rubber Carrier 20 parts. Wherein, the coupling agent is composed of 1.5 parts of γ-methacryloxypropyl trimethoxysilane and 1.5 parts of isopropyl tris (dioctyl pyrophosphate acyloxy) titanate; The meter consists of 4 parts of paraffinic rubber oil and 4 parts of naphthenic rubber oil; the processing aid consists of 2 parts of sodium dodecylbenzene sulfonate and 2 parts of sorbitan monolaurate; the rubber carrier consists of 6 parts of ternary It is composed of ethylene propylene rubber and 14 parts of nitrile rubber; the inorganic filler is composed of 2.5 parts of kaolin with a fineness of 300 mesh and 2.5 parts of talcum powder with a fineness of 2500 mesh.
[0033] Preparation method: same as Example 1.
Embodiment 3
[0035] Raw materials are composed according to mass fraction: 40 parts of thiocyanic acid, 30 parts of 1,1'-dithiobiscaprolactam, 3 parts of coupling agent, 5 parts of filler, 8 parts of softening oil, 4 parts of processing aid and rubber carrier 10 servings. Wherein, the coupling agent is composed of 1.5 parts of γ-methacryloxypropyl trimethoxysilane and 1.5 parts of isopropyl tris (dioctyl pyrophosphate acyloxy) titanate; The meter consists of 4 parts of paraffinic rubber oil and 4 parts of naphthenic rubber oil; the processing aid consists of 2 parts of sodium dodecylbenzene sulfonate and 2 parts of sorbitan monolaurate; the rubber carrier consists of 3 parts of ternary It is composed of ethylene propylene rubber and 7 parts of nitrile rubber; the inorganic filler is composed of 2.5 parts of kaolin with a fineness of 300 mesh and 2.5 parts of talcum powder with a fineness of 2500 mesh.
[0036] Preparation method: same as Example 1.
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