1.A hman dan tur scope .

   (1) a ni. Unsaturated rubber-ah hman a ni: NR, BR, NBR, IR, SBR, etc. te.

   (2) a ni. Saturated rubber-ah hnawih rawh: chutiang chu EPM ang chi chu peroxide hmang chauhin vulcanized theih a ni a, EPDM chu peroxide leh sulfur-in vulcanized theih a ni.

   (3) a ni. Miscellaneous chain rubber-a hman: Q vulcanization ang chi.

2. Peroxide vulcanization system ziarang .

(1) a ni. Vulcanized rubber network structure chu CC bond a ni a, bond energy sang tak, chemical stability sang tak, thermal leh oxygen tarna laka invenna tha tak a nei a ni.

(2) a ni. Vulcanized rubber hian permanent deformation hniam tak a nei a, elasticity tha tak leh dynamic performance tha lo tak a nei bawk.

(3) a ni. Processing safety tha lo leh peroxide man to tak tak.

(4) a ni. Static sealing emaw temperature sang takah chuan static sealing products hian hmanna hrang hrang a nei a.

3.A hmanna tur peroxides .

Peroxide vulcanizing agents hman tlanglawn te chu alkyl peroxides, diacyl peroxides (dibenzoyl peroxide (BPO)) leh peroxy esters te an ni. Chumi zingah chuan dialkyl peroxide te pawh an hmang nasa hle. Chutiang chu: diisopropyl peroxide (DCP): Tunah hian vulcanizing agent hman tam ber a ni.

2,5-dimethyl-2,5-(di-tert-butylperoxy) Hexane: bis-dipentyl tia hriat bawk

4. Peroxide Vulcanization hmanga thil tih theih dan.

Peroxide group of peroxide hi awlsam takin heat hian a tichhia a, free radicals a siam a, hei hian rubber molecular chain-a free radical type cross-linking reaction a tichhuak a ni.

5. Peroxide Vulcanization-a thu pawimawh tak takte:

(1) a ni. Dosage: Rubber chi hrang hrang nen a danglam thei

Cross-linking efficiency of peroxide: Organic peroxide molecule 1g hian rubber molecule gram engzat nge chemical cross-linking siam chhuak thei tih a siam thei.Peroxide molecule 1 hian rubber cross-linked 1g molecule a siam thei a nih chuan cross-linking efficiency chu

Entirnan: SBR cross-linking efficiency chu 12.5 a ni a; BR-a cross-linking efficiency chu 10.5 a ni a; EPDM, NBR, NR-a cross-linking efficiency chu 1 a ni a; IIR-a cross-linking efficiency chu 0 a ni.

(2) a ni. Cross-linking efficiency tihchangtlun nan active agent leh co-sulfurizing agent hman dan .

ZnO hnathawh chu activator ni lovin adhesive-a heat resistance tihchangtlun a ni. Stearic acid hnathawh chu rubber-a ZnO hi a inthiar theih leh a darh zau zawkna tur a ni. HVA-2 (n,n’-phthalimido-dimaleimide) hi peroxide tichaktu tha tak a ni bawk.

Adding Auxiliary Vulcanizing Agent: A bik takin sulfur yellow, leh auxiliary cross-linking agent dang, divinylbenzene, trialkyltricyanate, unsaturated carboxylates, etc. te.

(3) a ni. Cross-linking efficiency tichangtlung turin alkaline substance tlemte, MGO, triethanolamine, etc. te dah la, slot carbon black leh silica leh acidic filler dangte hman loh tur (acid to make free radicals passivation) Antioxidants hi a tlangpuiin amine leh phenolic antioxidants te an ni a, free radicals passivation siam awlsam tak a ni bawk a, cross-linking efficiency a ti tlem a, hman tlem a ngai a ni.

(4) a ni. Vulcanization temperature: peroxide a decomposition temperature aiin a sang zawk tur a ni .

(5) a ni. Vulcanization hun: A tlangpuiin peroxide half-life aiin a let 6~10 vel a ni.

   Peroxide half-life: Temperature engemaw chen ah chuan peroxide chu hun mamawh original concentration chanveah a chhe vek a, T1/2-a tarlan a ni.

   170°C-a DCP half-life chu 1min a nih chuan a positive sulphation time chu 6~10min a ni tur a ni.

Formulation entirnan: EPDM 100 (base) .

s 0.2 (Auxiliary Vulcanizing Agent) .

SA 0.5 (activator) a ni.

ZnO 5.0 (heat resistance tihchangtlun nan) .

HAF 50 (Reinforcing Agent) a ni.

DCP 3.0 (thixotropic agent) a ni.

MGO 2.0 (cross-linking efficiency a ti tha zawk)

Oil 10 hman dan (Softening Agent) .