{"id":11298,"date":"2025-03-25T01:26:00","date_gmt":"2025-03-25T01:26:00","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?p=11298"},"modified":"2026-02-09T09:08:48","modified_gmt":"2026-02-09T09:08:48","slug":"specifiche-applicazioni-e-approfondimenti-sul-settore-dellalcol-polivinilico-pva","status":"publish","type":"post","link":"https:\/\/rawchemicalmart.com\/it\/specifiche-applicazioni-e-approfondimenti-sul-settore-dellalcol-polivinilico-pva\/","title":{"rendered":"Alcol polivinilico (PVA): specifiche, applicazioni e approfondimenti di settore"},"content":{"rendered":"

L'alcol polivinilico (PVA) \u00e8 un polimero sintetico versatile, noto per le sue eccellenti propriet\u00e0 filmogene, emulsionanti e adesive. Grazie alla sua esclusiva solubilit\u00e0 in acqua e alla sua resistenza chimica, il PVA \u00e8 ampiamente utilizzato in settori come quello tessile, cartario, edile e degli adesivi.<\/p>\n\n\n\n

Specifiche PVA WanWei (grado non in fibra)<\/h2>\n\n\n\n

Grado di idrolisi (%):<\/strong> Determina la solubilit\u00e0 del PVA in acqua. Livelli di idrolisi pi\u00f9 elevati (98-99%) determinano una solubilit\u00e0 in acqua limitata, mentre il PVA parzialmente idrolizzato si dissolve pi\u00f9 facilmente.<\/p>\n\n\n\n

Viscosit\u00e0 (mPa.s):<\/strong> Un fattore chiave per determinare lo spessore e le propriet\u00e0 di flusso delle soluzioni PVA, che influiscono sulle applicazioni in adesivi, rivestimenti e pellicole.<\/p>\n\n\n

\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Articolo<\/th>Viscosit\u00e0
\n(mPa.s)<\/th>		Grado medio di polimerizzazione<\/th>Grado di alcolisi (Mol\/mol)<\/th>Peso molecolare<\/th>Volatile
\n (%)<\/th>		Umidit\u00e0
\n(%)<\/th>		Cenere
\n (%)<\/th>		pH<\/th>\n<\/tr>\n<\/thead>\n
04-88 (L)<\/td>3.0-4.5<\/td>\/<\/td>86.0-90.0<\/td>\/<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
04-99 (L)<\/td>3.0-4.5<\/td>300-450<\/td>98.0-100.0<\/td>13200-19800<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
05-88(L)<\/td>4.0-6.0<\/td>\/<\/td>86.0-90.0<\/td>17600-26400<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
05-99 (L)<\/td>4.0-6.0<\/td>450-600<\/td>98.0-100.0<\/td>19800-26400<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
10-92 (L)<\/td>8.0-10.0<\/td>\/<\/td>90.0-94.0<\/td>\/<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
10-99 (L)<\/td>9.0-14.0<\/td>900-1100<\/td>98.0-100.0<\/td>39600-48400<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
14-92 (sinistra)<\/td>13.0-18.0<\/td>\/<\/td>90.0-94.0<\/td>\/<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
15-99 (L)<\/td>20.0-26.0<\/td>1450-1650<\/td>98.0-100.0<\/td>63800-72600<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
17-80 (L)<\/td>18.0-24.0<\/td>\/<\/td>78.0-82.0<\/td>\/<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
17-88 (sinistra)<\/td>20.0-28.0<\/td>\/<\/td>86.0-90.0<\/td>72600-81400<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
17-92 (sinistra)<\/td>20.0-30.0<\/td>\/<\/td>90.0-94.0<\/td>72600-81400<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
17-95 (L)<\/td>20.0-30.0<\/td>\/<\/td>94.0-96.0<\/td>72600-81400<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
17-96 (sinistra)<\/td>20.0-30.0<\/td>\/<\/td>94.0-98.0<\/td>\/<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
17-97(L)<\/td>21.0-31.0<\/td>1650-1850<\/td>96.0-98.0<\/td>72600-81400<\/td>8.0<\/td>3.8<\/td>2.0<\/td>5-8<\/td>\n<\/tr>\n
17-98 (L)<\/td>20.0-30.0<\/td>1600-1800<\/td>97.0-99.0<\/td>70400-79200<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
17-99 (L)<\/td>20.0-26.0<\/td>1680-1850<\/td>98.0-100.0<\/td>73900-82700<\/td>7.0<\/td>2.8<\/td>1.5<\/td>5-7<\/td>\n<\/tr>\n
17-99 (A)<\/td>20.0-26.0<\/td>1650-1850<\/td>98.5-100.0<\/td>72600-81400<\/td>9.0<\/td>7.0<\/td>3.0<\/td>5-7<\/td>\n<\/tr>\n
19-99 (L)<\/td>26.0-32.0<\/td>1800-2000<\/td>98.0-100.0<\/td>79200-88000<\/td>7.0<\/td>2.8<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
20-88 (L)<\/td>28.0-40.0<\/td>\/<\/td>86.0-90.0<\/td>81400-94600<\/td>7.0<\/td>2.8<\/td>3.0<\/td>5-7<\/td>\n<\/tr>\n
20-99 (L)<\/td>32.0-40.0<\/td>2000-2200<\/td>98.0-100.0<\/td>88000-96800<\/td>7.0<\/td>2.8<\/td>1.5<\/td>5-7<\/td>\n<\/tr>\n
20-99 (A)<\/td>34.0-42.0<\/td>2000-2300<\/td>98.5-100.0<\/td>88000-101200<\/td>9.0<\/td>7.0<\/td>1.0<\/td>5-7<\/td>\n<\/tr>\n
22-99 (L)<\/td>40.0-48.0<\/td>2200-2400<\/td>98.0-100.0<\/td>96800-105600<\/td>7.0<\/td>2.8<\/td>1.5<\/td>5-7<\/td>\n<\/tr>\n
23-99 (A)<\/td>42.0-55.0<\/td>2300-2600<\/td>98.5-100.0<\/td>101200-114400<\/td>9.0<\/td>7.0<\/td>3.0<\/td>5-7<\/td>\n<\/tr>\n
24-88 (L)<\/td>40.0-55.0<\/td>\/<\/td>86.0-90.0<\/td>101200-110000<\/td>7.0<\/td>2.8<\/td>1.5<\/td>5-7<\/td>\n<\/tr>\n
24-99 (L)<\/td>48.0-60.0<\/td>2400-2600<\/td>98.0-100.0<\/td>105600-114400<\/td>7.0<\/td>2.8<\/td>1.5<\/td>5-7<\/td>\n<\/tr>\n
26-99 (L)<\/td>60.0-75.0<\/td>2600-2800<\/td>98.0-100.0<\/td>114400-123200<\/td>7.0<\/td>2.8<\/td>3.0<\/td>5-7<\/td>\n<\/tr>\n
28-99 (L)<\/td>75.0-90.0<\/td>2800-3000<\/td>98.0-100.0<\/td>123200-132000<\/td>7.0<\/td>2.8<\/td>1.5<\/td>5-7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n

Applicazione principale di Wanwei PVA<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Il PVA \u00e8 ampiamente utilizzato nel settore tessile per la finitura dei tessuti e l'appretto dell'ordito, migliorando la resistenza delle fibre durante la tessitura. Negli adesivi, \u00e8 un ingrediente chiave nella colla per legno e negli adesivi per carta grazie alle sue elevate propriet\u00e0 adesive. Inoltre, il PVA svolge un ruolo fondamentale nell'edilizia come additivo cementizio, migliorando la lavorabilit\u00e0 e l'adesione.<\/p>\n\n\n

\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Articolo<\/th>Applicazione<\/th>\n<\/tr>\n<\/thead>\n
04-88(L)
\n04-99(L)
\n05-88(L)<\/td>		Pellicola medicinale, Materiali di base farmaceutici esterni, Pellicola idrosolubile, Elevato numero di fogli, Pellicola fotosensibile per stampa piana, Fabbricazione della carta, Emulsione.<\/td>\n<\/tr>\n
05-99(L)
\n10-92 (L)
\n14-92(L)<\/td>		Pellicola medicinale, materiale di base farmaceutico esterno, dimensioni di ordito, emulsionante<\/td>\n<\/tr>\n
10-99 (L)
\n17-80 (L)<\/td>		Disperdente PVA nella polimerizzazione<\/td>\n<\/tr>\n
15-99 (L)
\n17-88(L)
\n20-88 (L)<\/td>		Modificatore di calcestruzzo per la cementazione di pozzi petroliferi, agente di consolidamento del terreno, adesivo umido, colla per orditure, pellicola in PVA, colloide protettivo in emulsione PVAC, colla fotosensibile, PVB e cos\u00ec via.<\/td>\n<\/tr>\n
17-92(L) 17-96(L)
\n17-95(L) 17-98(L)
\n17-97(L) 19-99(L)
\n17-99 (L) 20-99 (A)
\n17-99 (H)<\/td>		Materiale di appretto per tessuti, agente di finitura per tessuti, agente di appretto per superfici di carta, legante per pigmenti di carta, adesivo per carta, emulsionante, pellicola in PVA, modificatore di resina termoindurente, materiale legato in ferrite, disperdente, rivestimento, indizio, PVA, PVF e cos\u00ec via.<\/td>\n<\/tr>\n
17-99F(L)
\n17-99 \u00b0F (H)
\n26-99 (L) <\/td>		Vinylon, fibra HSHM-PVA, fibra idrosolubile, fibra cava ignifuga e cos\u00ec via.<\/td>\n<\/tr>\n
26-99 (L)<\/td>Adesivo ad alta viscosit\u00e0, vernice di alta qualit\u00e0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n

Cerchi il grado di PVA pi\u00f9 adatto alla tua applicazione? Contattaci oggi stesso per ricevere consigli da esperti e prezzi competitivi!<\/strong><\/p>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

L'alcol polivinilico (PVA) \u00e8 un polimero sintetico ad alte prestazioni noto per la sua eccezionale capacit\u00e0 filmogena, la sua idrosolubilit\u00e0 e le sue forti propriet\u00e0 adesive. Ampiamente utilizzato in diversi settori industriali, il PVA \u00e8 un ingrediente chiave nell'appretto tessile, nei rivestimenti per carta, negli adesivi e nei materiali da costruzione. Le sue specifiche, tra cui il grado di idrolisi e la viscosit\u00e0, ne determinano l'idoneit\u00e0 per diverse applicazioni. Il PVA completamente idrolizzato offre una resistenza del film superiore e una maggiore resistenza chimica, mentre i gradi parzialmente idrolizzati offrono una migliore solubilit\u00e0. Dal miglioramento della durata dei tessuti al miglioramento della forza adesiva degli adesivi, il PVA svolge un ruolo cruciale nella produzione moderna. Questo articolo esplora le specifiche e le principali applicazioni del PVA, aiutandovi a scegliere il grado pi\u00f9 adatto alle vostre esigenze.\n<\/p>","protected":false},"author":3,"featured_media":11176,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[59],"tags":[37],"class_list":["post-11298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-polyvinyl-alcohol","tag-important"],"acf":[],"yoast_head":"\nPolyvinyl Alcohol (PVA): Specifications, Applications, and Industry Insights - rawchemicalmart.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rawchemicalmart.com\/it\/specifiche-applicazioni-e-approfondimenti-sul-settore-dellalcol-polivinilico-pva\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polyvinyl Alcohol (PVA): Specifications, Applications, and Industry Insights - rawchemicalmart.com\" \/>\n<meta property=\"og:description\" content=\"Polyvinyl Alcohol (PVA) is a high-performance synthetic polymer known for its exceptional film-forming ability, water solubility, and strong adhesive properties. 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Widely used across various industries, PVA serves as a key ingredient in textile sizing, paper coatings, adhesives, and construction materials. Its specifications, including degree of hydrolysis and viscosity, determine its suitability for different applications. Fully hydrolyzed PVA offers superior film strength and chemical resistance, while partially hydrolyzed grades provide better solubility. From enhancing textile durability to improving the bonding strength of adhesives, PVA plays a crucial role in modern manufacturing. 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