{"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":"especificacoes-aplicacoes-e-perspectivas-da-industria-do-alcool-polivinilico-pva","status":"publish","type":"post","link":"https:\/\/rawchemicalmart.com\/pt\/especificacoes-aplicacoes-e-perspectivas-da-industria-do-alcool-polivinilico-pva\/","title":{"rendered":"\u00c1lcool Polivin\u00edlico (PVA): Especifica\u00e7\u00f5es, Aplica\u00e7\u00f5es e Insights do Setor"},"content":{"rendered":"

O \u00e1lcool polivin\u00edlico (PVA) \u00e9 um pol\u00edmero sint\u00e9tico vers\u00e1til, conhecido por suas excelentes propriedades de forma\u00e7\u00e3o de filme, emulsifica\u00e7\u00e3o e ades\u00e3o. Devido \u00e0 sua solubilidade \u00fanica em \u00e1gua e resist\u00eancia qu\u00edmica, o PVA \u00e9 amplamente utilizado em ind\u00fastrias como a t\u00eaxtil, a de fabrica\u00e7\u00e3o de papel, a da constru\u00e7\u00e3o civil e a de adesivos.<\/p>\n\n\n\n

Especifica\u00e7\u00e3o do PVA WanWei (Grau N\u00e3o Fibroso)<\/h2>\n\n\n\n

Grau de Hidr\u00f3lise (%):<\/strong> Determina a solubilidade do PVA em \u00e1gua. N\u00edveis mais elevados de hidr\u00f3lise (98-99%) resultam em solubilidade limitada em \u00e1gua, enquanto o PVA parcialmente hidrolisado se dissolve mais facilmente.<\/p>\n\n\n\n

Viscosidade (mPa.s):<\/strong> Um fator chave na determina\u00e7\u00e3o da espessura e das propriedades de fluxo das solu\u00e7\u00f5es de PVA, afetando aplica\u00e7\u00f5es em adesivos, revestimentos e filmes.<\/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
Item<\/th>Viscosidade
\n(mPa.s)<\/th>		Grau M\u00e9dio de Polimeriza\u00e7\u00e3o<\/th>Grau de Alco\u00f3lise (Mol\/mol)<\/th>Peso molecular<\/th>Vol\u00e1til
\n (%)<\/th>		Umidade
\n(%)<\/th>		Cinzas
\n (%)<\/th>		pH<\/th>\n<\/tr>\n<\/thead>\n
04-88 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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 (E)<\/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

Aplica\u00e7\u00e3o principal do Wanwei PVA<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

O PVA \u00e9 amplamente utilizado na ind\u00fastria t\u00eaxtil para acabamento de tecidos e engomagem de urdiduras, aumentando a resist\u00eancia das fibras durante a tecelagem. Em adesivos, \u00e9 um ingrediente fundamental em colas para madeira e papel, devido \u00e0s suas fortes propriedades de ades\u00e3o. Al\u00e9m disso, o PVA desempenha um papel crucial na constru\u00e7\u00e3o civil como aditivo para cimento, melhorando a trabalhabilidade e a ades\u00e3o.<\/p>\n\n\n

\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Item<\/th>Aplicativo<\/th>\n<\/tr>\n<\/thead>\n
04-88(L)
\n04-99(L)
\n05-88(L)<\/td>		Filme para medicamentos, Materiais de base farmac\u00eautica externa, Filme sol\u00favel em \u00e1gua, Alta contagem de part\u00edculas, Filme fotossens\u00edvel para impress\u00e3o plana, Fabrica\u00e7\u00e3o de papel, Emuls\u00e3o.<\/td>\n<\/tr>\n
05-99(L)
\n10-92(L)
\n14-92(L)<\/td>		Filme farmac\u00eautico, Material base farmac\u00eautico externo, Dimens\u00e3o da trama, Emulsificante<\/td>\n<\/tr>\n
10-99(L)
\n17-80(L)<\/td>		Dispersante de PVA na polimeriza\u00e7\u00e3o<\/td>\n<\/tr>\n
15-99(L)
\n17-88(L)
\n20-88(L)<\/td>		Modificador de concreto para cimenta\u00e7\u00e3o de po\u00e7os de petr\u00f3leo, agente de melhoramento de solo, adesivo \u00famido, adesivo para urdidura, filme de PVA, emuls\u00e3o protetora coloidal de PVAC, cola fotossens\u00edvel, PVB e assim por diante.<\/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(H)
\n17-99(H)<\/td>		Material para colagem de tecidos, agente de acabamento t\u00eaxtil, agente de colagem superficial de papel, aglutinante de pigmento para papel, adesivo para papel, emulsificante, filme de PVA, modificador de resina termofixa, material ligado com ferrita, dispersante, revestimento, adesivo, PVA, PVF e assim por diante.<\/td>\n<\/tr>\n
17-99F(L)
\n17-99F(H)
\n26-99(L) <\/td>		Fibra de vinila, fibra HSHM-PVA, fibra sol\u00favel em \u00e1gua, fibra oca retardante de chamas, entre outras.<\/td>\n<\/tr>\n
26-99(L)<\/td>Adesivo de alta viscosidade, tinta de alta qualidade<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n

Procurando a viscosidade PVA ideal para sua aplica\u00e7\u00e3o? Entre em contato conosco hoje mesmo para obter recomenda\u00e7\u00f5es de especialistas e pre\u00e7os competitivos!<\/strong><\/p>\n\n\n\n

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

O \u00c1lcool Polivin\u00edlico (PVA) \u00e9 um pol\u00edmero sint\u00e9tico de alto desempenho conhecido por sua excepcional capacidade de forma\u00e7\u00e3o de filme, solubilidade em \u00e1gua e fortes propriedades adesivas. Amplamente utilizado em diversos setores, o PVA atua como ingrediente-chave na colagem t\u00eaxtil, revestimentos de papel, adesivos e materiais de constru\u00e7\u00e3o. Suas especifica\u00e7\u00f5es, incluindo grau de hidr\u00f3lise e viscosidade, determinam sua adequa\u00e7\u00e3o para diferentes aplica\u00e7\u00f5es. O PVA totalmente hidrolisado oferece resist\u00eancia de filme e resist\u00eancia qu\u00edmica superiores, enquanto os parcialmente hidrolisados proporcionam melhor solubilidade. Desde o aumento da durabilidade t\u00eaxtil at\u00e9 a melhoria da for\u00e7a de liga\u00e7\u00e3o dos adesivos, o PVA desempenha um papel crucial na ind\u00fastria moderna. Este artigo explora as especifica\u00e7\u00f5es e as principais aplica\u00e7\u00f5es do PVA, ajudando voc\u00ea a escolher o tipo certo para suas necessidades.\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\/pt\/especificacoes-aplicacoes-e-perspectivas-da-industria-do-alcool-polivinilico-pva\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\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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