Mimo 99% min 1,4-Phenylene diisocyanate CAS 104-49-4 p-phenylene diisocyanate (PPDI)
Orukọ Kemikali: 1,4-Phenylene diisocyanate
Awọn itumọ ọrọ-ọrọ: p-phenylene diisocyanate (PPDI)
Ilana molikula: C8H4N2O2
Iwọn molikula: 160.13
CAS No: 104-49-4
Awọn ohun-ini imọ-ara: PPDI jẹ alapapọ funfun kan. Iyọkuro ojuami: 94 °C. Ojutu farabale: 110 ~ 112 °C (3.3kPa) iwuwo: 1.17g/cm3
PPDI jẹ mimọ 1,4-Phenylene diisocyanate (PPDI), nọmba CAS jẹ 104-49-4. PPDI jẹ aṣoju imularada to ti ni ilọsiwaju / awọn olutẹpa pq fun polyurethane (PU) thermoplastic elastomers. Awọn elastomers simẹnti ti o da lori PPDI jẹ ifihan pẹlu iṣẹ ṣiṣe ti o wuyi. Anfani ti o han gedegbe ni pe awọn kẹkẹ iyara to gaju ti a ṣe pẹlu PPDI le duro fun iwọn otutu ti o ga pupọ labẹ ṣiṣe iyara ati lilọsiwaju / gbigbe. Nitorinaa, awọn kẹkẹ ti o da lori PPDI jẹ ojutu pipe fun awọn iwulo igbesi aye ṣiṣe gigun, agbara ikojọpọ nla ati awọn ibeere resistance ooru giga. Ni gbogbogbo, awọn elastomers PU ṣe afihan pẹlu abrasion ti o dara julọ, yiya ati idena ge ni akawe si awọn rubbers sintetiki. Pelu PPDI ati MDI ni iru agbekalẹ, líle ati awọn ohun-ini modulus ni akawe si TODI, isocyanate ni ipin molar kekere ti polyol si polyol ni PPDI. Ni ipilẹ, awọn elastomers iru PPDI jẹ irọrun diẹ sii ju iru MDI-ibile ati awọn elastomers polyurethane iru TODI. Lara gbogbo awọn elastomers polyurethane, awọn ti o da lori PPDI ni a mọ fun awọn kẹkẹ ti o ni wahala pupọ, ie awọn taya ọkọ fun awọn agbeka, awọn ọkọ ati awọn ọkọ ofurufu; rollers guide, kẹkẹ fun ero; ga iyara skate rollers ati be be lo. Ni kukuru, elastomer iru PPDI jẹ yiyan ti o dara julọ fun awọn ohun elo ti abrasion ti o kere julọ ati iwọn otutu ti o ga julọ. Lasiko yi, PPDI curing oluranlowo ti wa ni o gbajumo ni lilo ninu TPU-ọja bi akọkọ pq extender, ati awọn ohun elo ntọju jù, pẹlu ìwọ-oruka, eefun ti edidi, pọ irawọ ati iboju titẹ sita squeegee abe.
Awọn anfani fun awọn anfani iyalẹnu rẹ ti ooru, abrasion, yiya ati idena gige, awọn elastomers ti o da lori PPDI ti wa ni lilo pupọ lori awọn ile-iṣẹ eyiti o nilo fun abuku lile, awọn iṣẹ ṣiṣe ooru. PPDI jẹ bọtini ẹrọ orin ni TPU (thermoplastic polyurethane elastomer). Awọn edidi Hydraulic, wipers, piston edidi, O-rings, opa edidi, pulleys eyi ti o beere fun ooru resistance ati titẹ resistance ni o wa miiran pataki aaye ti PPDI curing oluranlowo. Ko darukọ taya fun forklifts, awọn ọkọ ti, ero, ofurufu ati pulleys, wili, guide rollers fun dampening eroja ti o jẹ awọn miiran ẹka fun PPDI-iru elastomers.
Iṣakojọpọ: 20kg, 40kg, 50kg / irin ilu.
Ibi ipamọ ati gbigbe: PPDI jẹ itara pupọ si ọrinrin. Omi fesi pẹlu gbogbo diisocyanates lati dagba insoluble urea itọsẹ. Maṣe fi PPDI pẹlu ounjẹ ati yago fun ṣiṣafihan ni agbegbe ti o ga ju 30℃. Lẹhin lilo, ideri gbọdọ wa ni edidi lẹsẹkẹsẹ ni ọran ti ailagbara. Labẹ awọn ipo ita to dara, PPDI wulo fun oṣu mẹfa o kere ju pẹlu ipa lati ọjọ ti o ti fi jiṣẹ.
| Kemikali tiwqn | 1,4-Phenylene diisocyanate (PPDI), P-Phenylene Didisocyanate, Paraphenylene diisocyanate, Benzene 1,4-diisocyanate |
| Nọmba CASN | 104-49-4 |
| NCO% | 52.5% |
| Orùn Abuda | oorun cyanate |
| Mimo | ≥99.0% |
| iwuwo | 1.17g//cm3 ni 20°C |
| Oju omi farabale | 236.2°C ni 760 mmHg |
| didi ojuami | 96-99°C |
| oju filaṣi | 92.4°C |
| Ipa oru | 0.048mmHg ni 25°C |
| Lapapọ chlorine | ≤ 0.1% |
| Hydrolysable kiloraini | ≤ 0.03% |
| Ojuami yo | 94°C |
| Ọja | 1,4-Phenylene diisocyanate(PPDI) | |||||
| Ipele No | 2300405 | Iṣakojọpọ | 20kg / ilu | Opoiye | 500kgs | |
| Ọjọ ti iṣelọpọ | 2023-04-05 | Ọjọ Ipari | 2024-04-04 | |||
| Nkan | Sipesifikesonu | Esi | ||||
| Ifarahan | Ina ofeefee to funfun flaky ri to | funfun flaky ri to | ||||
| kiloloriini ti a fi omi si,% | ≤0.02 | 0.0183 | ||||
| Oju yo, ℃ | 94-96 | 95 | ||||
| -NCO akoonu,% | 52.0-53.0 | 52.21 | ||||
| Mimọ,% | ≥99.0 | 99.35 | ||||
| Ipari | Ti o peye | |||||
| 1. | |
| 2. | |
| 3. | |
| 4. | |
| 5. | |
| 6. | TDI 80/20 |
| 7. | TDI-Bases Polyisoyanurate (RC) |
| 8. | IS (1,5-Naphthalene Diisocyanate) CAS 3173-72-6 |
| 9. | RF (JQ-4) |
| 10. | RN |
| 11. | DETDA CAS 68479-98-1 |
| 12. | DMTDA CAS 106264-79-3 |
| 13. | MMEA CAS 19900-72-2 |
| 14. | LONI CAS 91-97-4 |
| 15. | TEOF CAS 122-51-0 |
| 16. | MOCA CAS 101-14-4 |
| 17. | PTSI CAS 4083-64-1 |
| 18. | ati be be lo... |
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