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Peroxide Vulcanization Ratio enim Flexilis Products

1.Application Scope

   (I). Applicantur ad unsaturated Flexilis: ut nr, BR, NBR, IR, SBR, etc.

   (II). Applicare ad Saturatum Flexilis: ut EPM non solum Vulcanized per Peroxide, EPDM potest Vulcanized ab utroque peroxide et sulphure.

   (III). Applicantur ad Miscellaneous torquem Flexilis, ut Q Vulcanization.

II. Volcanization Ratio peroxide Ratio

(I). In network structuram de Vulcanized Flexilis est CC vinculum, cum princeps vinculo industria, princeps eget stabilitatem, et optimum resistentia ad scelerisque et oxygeni senescit.

(II). Vulcanized rubber est humilis permanent deformatio, bonum elasticitas et pauper dynamic perficientur.

(III). Pauper Processus salute et pretiosa peroxide.

(IV). In Static Sectioning aut High Temperature Static Sectiones products habere amplis applications.

3.commonly usus Peroxides

Communiter peroxide Vulcanizing agentium sunt alkyl Peroxides, diacyl peroxides (Dibenzoyl peroxide (BPO)) et peroxy esters. Inter eos, Dialkyl Peroxides sunt late usus. Ut: Diisopropyl peroxide (DCP): quod maxime usus est Vulcanizing agente.

2,5-Dimethyl, 2,5- (Di-Tert, butylperxy) Hexane, etiam quae bis-dipentyl

IV. Peroxide Vulcanization mechanism

Et peroxide coetus de peroxide est facile resolutum a calore ad producendum liberum radicalis, quae trigger est liberum radicalis genus crucis-vinculum reactionem de Flexilis Molecular torquem.

V. Key puncta Peroxide Vulcanization:

(I). Dosis: Varies cum alia Flexilis speciei

Cross-Conjunctio efficientiam Peroxide: 1G molecule of organicum peroxide potest facere quot P. de Flexilis moleculis producendum chemical crucem-linking.if I molecule de Peroxide potest 1g moleculis ILLECTA IT I.

Exempli gratia: Cross-Conjunctio efficientiam de SBR is 12,5; Cross-Conjunctio efficientiam BR 10,5; Et crucem-vinculum ECDM EPDM, NBR, NR est I; Et crucem-vinculum efficientiam Dei IIR est 0.

(II). Usus activae agente et co-sulfurizing agente ad amplio in crucem-vinculum efficientiam

Et munus ZNO est ut amplio calor resistentia de tenaces, non activator. Et munus in acidum est meliorem solubility et dispersionem ZNO in Flexilis. HVA-II (N, N'-phthelimido-Dimaleimide) est etiam efficax activator de peroxide.

Addendo auxiliaris Vulcanizing agente: Maxime sulphuris flavo et alia auxilia crucem-vinculum agentia talis ut divinallbenzene, iudicio agentibus ut divinaretur carboxylates, etc.

(III). Addere parva moles alkaline substantias, ut mgo, triethanolamine, etc, ut amplio efficientiam crucis-vincere, vitare usum socors carbon nigrum et silica et aliis acidic fillers (acidum ad liberum radicalis et aliarum acidicos (acidum ad liberum radicalis et aliasque); Antioxidants sunt plerumque amine et phenolic antioxidants, etiam facile ad liberum radicalis passivation, reducendo efficientiam crucis-vinculum, debet esse parce.

(IV). Vulcanization Temperature: sit altior quam corrumpitur temperatus peroxide

(V). Vulcanization Time: Fere VI ~ X temporibus dimidium-vita peroxide.

   Peroxide dimidium-vita, ad quaedam temperatus, peroxide corrumpuntur ad dimidium ad originale concentration tempus requiritur, expressit in T1 / II.

   Si dimidium-vita DCP ad CLXX ℃ est 1min, tunc ejus positivum sulphation tempus sit VI ~ 10min.

Exempli gratia: EPDM C (Base)

S 0,2 (Vulcanizing agente auxilia)

SA 0,5 (Activator)

ZNO 5.0 (ut amplio calor resistentia)

HAF L (Reinforcing agente)

DCP 3.0 (Thixotropic agente)

Mgo 2.0 (improves Cross-Conjunctio efficientiam)

Operating oleum X (mitigantes agente)


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