Afstract: Ngwa nke ụlọhydroxypylthththththylcellloseKama ibubata otu na mmepụta PVC nwere ogo polymerization ogo polymerization. Mmetụta nke ụdị abụọ nke hydyplopyythylthylthylthylthylthyl na Njirimara nke PVC nwere ogo polymerizationy na elu polymerization. Nsonaazụ gosiri na ọ ga-ekwe omume dochie anya dochie hydroxypypyl methyl methyl cellulose maka ebubata.
PVC RVC resins na-ezo aka na PVC resins na-ezo aka na ogo PVC nke ihe karịrị 1,700 ma ọ bụ nke kachasị ejikọtara ọnụ bụ ihe kachasị ejikọtara ya na ogo polymerization nke 2,500 [1,500 [1]. Tụnyere PVC Resen Resenfin, PVC ROVIZIZING RENDING RENDING RENTIRIRIRILE, obere mkparịta ụka setịpụrụ, ezigbo nsogbu, na-agba mbọ iguzogide nguzogide. Ọ bụ ihe nnọchi anya roba dị mma ma nwee ike iji ya na eriri ụgbọala, wires na eriri, na Kational, wdg [2].
Usoro imepụta nke PVC na ogo dị elu nke polymerization bụ tumadi polymerization [3-4]. N'ime mmepụta nke nkwụchi, onye na-achụsa ozi bụ onye na-ahụ maka ihe dị mkpa, ụdị na ego ya ga-emetụta ọdịdị ya, nkesa na-ekesa ya, plastizer na plastik nke resin emechara. Usoro mgbasa ozi na-ejikarị sylyvinyl mmanya na-egbu egbu na polylcelllose na polyvinyl mmanya mejupụtara usoro mgbasa ozi, ndị na-emepụta ụlọ nke na-eji nke ikpeazụ [5].
1 ihe eji eme ihe na nkọwapụta
Ihe eji emepụta ihe na nkọwapụta nke eji eme ihe na tebụl 1 na-egosi na tebụl 1 na hydroxylthylthylthyllylthylllthyllyllyllllylllllylylylylyllylylylylylylyllite maka ule eji arụ ọrụ.
Ọdịnaya Nlere Anya
2
Were ego ole na ole mmiri, tinye ya n'ime akpa ma kpoo ya 70 Celsius C, ma jiri nwayọọ nwayọọ gbakwunye hydropyylthyllilose n'okpuru na-akpali akpali. The cellotose na-ese n'elu mmiri na mbụ, wee gbasasịa nke nta nke nta ruo mgbe agwakọtasịrị ya. Jụụ ihe ngwọta nke olu.
Isiokwu 1 isi ihe na nkọwapụta ha
| Aha akụrụngwa | Nkowa |
| Vinyl chloride momomer | Akara akara x99. 98% |
| Mmiri na-acha odo odo | Na-eme ihe ọ bụla. 0 μs / cm, ph uru 5. 00 ruo 9. 00 |
| Polyvinyl mmanya a | Ọ bụ Foresty General 78. 5% ruo 81. 5%, ash ọdịnaya≤0. 5%, ihe na-agbanwe agbanwe. 0% |
| Polyvinyl mmanya b | Ọ bụ Focission ogo 71. 0% ruo 73. 5%, visceth 4. 5 ruo 6. 5MPA s, ihe dị ka ihe dị. 0% |
| Polyvinyl mmanya c | Ọ bụ Covelysis Cost 54. 0% ruo 57. 0%, viscosity 800 ~ 1 400MPA s, ọdịnaya siri ike 39. 5% ruo 40. 5% |
| A na-ebubata hydroxypypylthylthylthyllose a | Visity 40 ~ 60 MPA s, Methoxyle nkebi 28% ~ 30%, hydroxypyl ukar isi na 7% ~ 12%, Mmiri ≤5. 0% |
| Hydroxypropylthylthylcelllose b | Visity 40 ~ 60 MPA s, Methoxyle nkebi 28% ~ 30%, hydroxypyl ukar isi na 7% ~ 12%, Mmiri ≤5. 0% |
| BIS (2-ethylhexy peroxydicate) | Mass na ((45 ~ 50) ± 1]% |
2. Usoro ule 2
Na 10 L obere nnwale ngwaọrụ, jiri hydroxylthylthyl methyl cellulose iji duzie ule benchmarma iji chọpụta usoro ule nke obere ule; Jiri hydropopyylpypyl methyl cellulose iji dochie hydroxylthylthylthylthyl methyl cellose maka nnwale; Ngwaahịa resin na-emepụta site na ngwa ngwa hydropopyl methylylthyl cellulose dị iche iche na-amụ ihe nnọchi ahụ nke hydroxypyl methyl cellose. Dabere na nsonaazụ nke obere ule ahụ, a na-ebupụta ule mmepụta ahụ.
2. 3 Nnwale
Tupu mmeghachi omume, hichaa polymerization ketulu, mechie valvụ ala, gbakwunye ego nke mmiri a na-acha, wee tinye ndị na-enweghị ahịhịa; Mechie mkpuchi nke ketutumize, oghere mgbe ị na-agabiga ule nrụgide Nitrogen, wee tinye Medide Viny chloride; Mgbe oyi na-akpali akpali, gbakwunye onye mbido; Jiri mmiri na-ekesa iji bulie ọnọdụ okpomọkụ na ketle na ọnọdụ mmeghachi omume, ma tinye ammonium bicarbonate na oge n'oge usoro a iji dozie uru a na-emeghachi omume; Mgbe nrụgide akọwapụtara na nrụgide akọwapụtara na usoro, tinye onye na-akwụ ụgwọ na onye na-egbochi ihe na-egbochi ya, ma wepu ngwaahịa PVC rụpụtara site na centrifugation, ma lelee ya.
2. 4 usoro nyocha
Dabere na usoro nnwale dị mkpa na Standard Q31 / 0116000823c002-2018, ọnụ ọgụgụ dị iche iche (gụnyere ihe na-agbanwe agbanwe, na-agbanwe mmiri nke PVC na nyocha; A nwalere nha nke PVC gbara ọsọ; A na-ahụta morphology nke PVC resin site na iji microscope elektrins na-enyocha ya.
Nsonaazụ 3 na mkparịta ụka
3. 1 Nyocha nke ogo nke Batches nke PVC dị na obere polymerization
Pịa 2
Tebụl 2 nsonaazụ nke battches dị iche iche nke obere ule
| Akpu | Hydroxypylthyl methyl cellulose | Ihe dị egwu / (g / ml) | Nkezi nha / μm | Viscosity / (ml / g) | Plakezer na-agbakọta nke 100 g pvc resin / g | Ihe dị egwu /% |
| 1# | Mbubata | 0.36 | 180 | 196 | 42 | 0.16 |
| 2# | Mbubata | 0.36 | 175 | 196 | 42 | 0.20 |
| 3# | Mbubata | 0.36 | 182 | 195 | 43 | 0.20 |
| 4# | Keulo | 0.37 | 165 | 194 | 41 | 0.08 |
| 5# | Keulo | 0.38 | 164 | 194 | 41 | 0.24 |
| 6# | Keulo | 0.36 | 167 | 194 | 43 | 0.22 |
Enwere ike ịhụ ya site na table 2: Nnọọ njupụta, nọmba viscosity na nnabata Plackizer nke PVC resin na-emechi site na iji cellose dị iche iche; Ngwakọta resin nwetara site na iji hydroxypyppypyl methylcellose usoro nke ogo na-adịkarị obere.
Ọgụgụ 1 na-egosi sey ihe osise nke ngwaahịa PVC nwetara site na iji hydroxyylpylthylthylthylthylthyl.
(1) -Opopod hydropopyylcelllose
(2) - 2-doxypropyypylthylthylthyl
Fig. 1 semp nke resins na 10-l polymerizer na ọnụnọ nke hydroxypppyl Methyl Celllise
Enwere ike ịhụ ya site na ọgụgụ 1 na akụkụ elu nke PVC resin mepụtara site na ndị na-asụsa mkpụrụ osisi cellose dị ka nke ahụ.
To sum up, it can be seen that the domestic hydroxypropyl methylcellulose tested in this paper has the feasibility of replacing imported hydroxypropyl methylcellulose.
3. 2 nyocha nke ogo PVC resin na ogo polymerizationle na ule mmepụta
N'ihi ihe dị elu na ihe egwu nke nnwale mmepụta, atụmatụ ndozi nke obere ule enweghị ike itinye ozugbo. Ya mere, atụmatụ nke iji nwayọọ nwayọọ na-abawanye ọnụ ọgụgụ nke hydroxypylthylthylthyl na-anabata usoro usoro. Nsonaazụ nnwale nke batch ọ bụla gosipụtara na tebụl 3.
Isiokwu 3 Nsonaazụ nke Mmepụta Mmepụta Dị iche
| Akpu | M (Hydypyppyl Methyl Cellulose): M (Mbubata Hydroxyl Methyl Celllise) | Ihe dị egwu / (g / ml) | Nọmba viscosise / (ML / G) | Plakezer na-agbakọta nke 100 g pvc resin / g | Ihe dị egwu /% |
| 0# | 0: 100 | 0.45 | 196 | 36 | 0.12 |
| 1# | 1.25: 1 | 0.45 | 196 | 36 | 0.11 |
| 2# | 1.25: 1 | 0.45 | 196 | 36 | 0.13 |
| 3# | 1.25: 1 | 0.45 | 196 | 36 | 0.10 |
| 4# | 2.50: 1 | 0.45 | 196 | 36 | 0.12 |
| 5# | 2.50: 1 | 0.45 | 196 | 36 | 0.14 |
| 6# | 2.50: 1 | 0.45 | 196 | 36 | 0.18 |
| 7# | 100: 0 | 0.45 | 196 | 36 | 0.11 |
| 8# | 100: 0 | 0.45 | 196 | 36 | 0.17 |
| 9# | 100: 0 | 0.45 | 196 | 36 | 0.14 |
Enwere ike ịhụ ya site na Isi 3 na ojiji nke hydyploplilose na-eji nke nta nke nta na-eto ruo mgbe ọ bụla batrị nke hydroxypyl Methylcellose edochiri ebugharị. Ihe ngosiputa ihe dika ihe dika ihe di ka ihe di iche iche plastik na ihe omimi adighi adi elu, na-egosiputa na akwukwo a nwere ike dochie hydypropyyllilose na mmeputa.
Mmeghari
Ule nke ulohydroxypylthyl methyl celluloseNa 10 L obere nnwale ngwaọrụ na-egosi na ọ nwere mmegharị iji dochie hydypppppppylthylthylthylthylthylthyl methyl cellose; A na-eji nsonaazụ nnwale nke na-egosi na a na-eji Hydroxyl Methylyl Methyl Roon Mepụta PVC Resin Meths Methyl Methyl Celllise enweghị ihe dị iche. Ugbu a, ọnụ ahịa ụlọ cellose na ahịa dị ala karịa nke nke Cellose. Ya mere, ọ bụrụ na ejiri cellose cellose mee ihe na mmepụta, ọnụ ahịa nke ndị AIDS na-arụpụta nke ukwuu.
Oge post: Apr-25-2024