{"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":"specifications-applications-et-perspectives-de-lindustrie-de-lalcool-polyvinylique-pva","status":"publish","type":"post","link":"https:\/\/rawchemicalmart.com\/fr\/specifications-applications-et-perspectives-de-lindustrie-de-lalcool-polyvinylique-pva\/","title":{"rendered":"Alcool polyvinylique (PVA)\u00a0: sp\u00e9cifications, applications et perspectives du secteur"},"content":{"rendered":"

L'alcool polyvinylique (APV) est un polym\u00e8re synth\u00e9tique polyvalent reconnu pour ses excellentes propri\u00e9t\u00e9s filmog\u00e8nes, \u00e9mulsifiantes et adh\u00e9sives. Gr\u00e2ce \u00e0 sa solubilit\u00e9 dans l'eau et sa r\u00e9sistance chimique uniques, l'APV est largement utilis\u00e9 dans des secteurs tels que le textile, la papeterie, la construction et les adh\u00e9sifs.<\/p>\n\n\n\n

Sp\u00e9cification WanWei PVA (qualit\u00e9 non fibreuse)<\/h2>\n\n\n\n

Degr\u00e9 d'hydrolyse (%) :<\/strong> D\u00e9termine la solubilit\u00e9 du PVA dans l'eau. Des niveaux d'hydrolyse plus \u00e9lev\u00e9s (98-99%) entra\u00eenent une solubilit\u00e9 limit\u00e9e dans l'eau, tandis que le PVA partiellement hydrolys\u00e9 se dissout plus facilement.<\/p>\n\n\n\n

Viscosit\u00e9 (mPa.s) :<\/strong> Un facteur cl\u00e9 dans la d\u00e9termination de l'\u00e9paisseur et des propri\u00e9t\u00e9s d'\u00e9coulement des solutions PVA, affectant les applications dans les adh\u00e9sifs, les rev\u00eatements et les films.<\/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
Article<\/th>Viscosit\u00e9
\n(mPa.s)<\/th>		Degr\u00e9 moyen de polym\u00e9risation<\/th>Degr\u00e9 d'alcoolyse (mol\/mol)<\/th>Poids mol\u00e9culaire<\/th>Volatil
\n (%)<\/th>		Humidit\u00e9
\n(%)<\/th>		Cendre
\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 (L)<\/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 (G)<\/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 (L)<\/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 (L)<\/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 (L)<\/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 (H)<\/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 (H)<\/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 (H)<\/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

Application principale du PVA Wanwei<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Le PVA est largement utilis\u00e9 dans les textiles pour la finition des tissus et l'encollage des cha\u00eenes, am\u00e9liorant ainsi la r\u00e9sistance des fibres lors du tissage. Dans les adh\u00e9sifs, il est un ingr\u00e9dient cl\u00e9 des colles \u00e0 bois et \u00e0 papier gr\u00e2ce \u00e0 ses fortes propri\u00e9t\u00e9s adh\u00e9sives. De plus, le PVA joue un r\u00f4le essentiel dans la construction en tant qu'additif pour ciment, am\u00e9liorant la maniabilit\u00e9 et l'adh\u00e9rence.<\/p>\n\n\n

\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Article<\/th>Application<\/th>\n<\/tr>\n<\/thead>\n
04-88(L)
\n04-99(L)
\n05-88(L)<\/td>		Film m\u00e9dical, mat\u00e9riaux de base pharmaceutiques ext\u00e9rieurs, film hydrosoluble, nombre \u00e9lev\u00e9, film photosensible \u00e0 impression plate, fabrication de papier, \u00e9mulsion.<\/td>\n<\/tr>\n
05-99(L)
\n10-92(L)
\n14-92(L)<\/td>		Film m\u00e9dical, mat\u00e9riau de base pharmaceutique ext\u00e9rieur, encollage, \u00e9mulsifiant<\/td>\n<\/tr>\n
10-99(L)
\n17-80(L)<\/td>		Dispersant PVA en polym\u00e9risation<\/td>\n<\/tr>\n
15-99(L)
\n17-88(L)
\n20-88(L)<\/td>		Modificateur de b\u00e9ton pour la cimentation des puits de p\u00e9trole, agent d'am\u00e9lioration du sol, adh\u00e9sif humide, taille de cha\u00eene, film PVA, collo\u00efde protecteur d'\u00e9mulsion PVAC, colle photosensible, PVB, etc.<\/td>\n<\/tr>\n
17-92(G) 17-96(G)
\n17-95(G) 17-98(G)
\n17-97(G) 19-99(G)
\n17-99(L) 20-99(H)
\n17-99(H)<\/td>		Mat\u00e9riau d'encollage de tissu, agent de finition de tissu, agent d'encollage de surface de papier, liant pigmentaire de papier, adh\u00e9sif de papier, \u00e9mulsifiant, film PVA, modificateur de r\u00e9sine thermodurcissable, mat\u00e9riau li\u00e9 \u00e0 la ferrite, dispersant, rev\u00eatement, indice, PVA, PVF, etc.<\/td>\n<\/tr>\n
17-99F(L)
\n17-99F(H)
\n26-99(L) <\/td>		Vinylon, fibre HSHM-PVA, fibre hydrosoluble, fibre creuse ignifuge, etc.<\/td>\n<\/tr>\n
26-99(L)<\/td>Adh\u00e9sif \u00e0 haute viscosit\u00e9, peinture de haute qualit\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n

Vous recherchez le grade PVA adapt\u00e9 \u00e0 votre application\u00a0? Contactez-nous d\u00e8s aujourd'hui pour b\u00e9n\u00e9ficier de recommandations d'experts et de tarifs comp\u00e9titifs\u00a0!<\/strong><\/p>\n\n\n\n

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

L'alcool polyvinylique (APV) est un polym\u00e8re synth\u00e9tique haute performance reconnu pour son exceptionnelle capacit\u00e9 filmog\u00e8ne, sa solubilit\u00e9 dans l'eau et ses fortes propri\u00e9t\u00e9s adh\u00e9sives. Largement utilis\u00e9 dans divers secteurs, l'APV est un ingr\u00e9dient cl\u00e9 dans les encollages textiles, les rev\u00eatements de papier, les adh\u00e9sifs et les mat\u00e9riaux de construction. Ses sp\u00e9cifications, notamment son degr\u00e9 d'hydrolyse et sa viscosit\u00e9, d\u00e9terminent son ad\u00e9quation \u00e0 diff\u00e9rentes applications. L'APV enti\u00e8rement hydrolys\u00e9 offre une r\u00e9sistance du film et une r\u00e9sistance chimique sup\u00e9rieures, tandis que les grades partiellement hydrolys\u00e9s offrent une meilleure solubilit\u00e9. De l'am\u00e9lioration de la durabilit\u00e9 des textiles \u00e0 l'am\u00e9lioration de la force d'adh\u00e9rence des adh\u00e9sifs, l'APV joue un r\u00f4le crucial dans la fabrication moderne. Cet article explore les sp\u00e9cifications et les principales applications de l'APV, vous aidant \u00e0 choisir le grade le mieux adapt\u00e9 \u00e0 vos besoins.\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\/fr\/specifications-applications-et-perspectives-de-lindustrie-de-lalcool-polyvinylique-pva\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\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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