{"id":98693,"date":"2021-07-05T11:08:09","date_gmt":"2021-07-05T03:08:09","guid":{"rendered":"https:\/\/www.alpapowder.com\/modification-de-surface\/"},"modified":"2021-07-06T09:11:43","modified_gmt":"2021-07-06T01:11:43","slug":"modification-de-surface","status":"publish","type":"page","link":"https:\/\/www.alpapowder.com\/fr\/modification-de-surface\/","title":{"rendered":"Modification de surface"},"content":{"rendered":"

[vc_row unlock_row_content=\u00a0\u00bbyes\u00a0\u00bb row_height_percent=\u00a0\u00bb70″ override_padding=\u00a0\u00bbyes\u00a0\u00bb h_padding=\u00a0\u00bb0″ top_padding=\u00a0\u00bb0″ bottom_padding=\u00a0\u00bb0″ overlay_alpha=\u00a0\u00bb50″ equal_height=\u00a0\u00bbyes\u00a0\u00bb gutter_size=\u00a0\u00bb0″ column_width_percent=\u00a0\u00bb100″ shift_y=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″][vc_column column_width_percent=\u00a0\u00bb100″ position_vertical=\u00a0\u00bbmiddle\u00a0\u00bb gutter_size=\u00a0\u00bb3″ override_padding=\u00a0\u00bbyes\u00a0\u00bb column_padding=\u00a0\u00bb4″ style=\u00a0\u00bbdark\u00a0\u00bb back_color=\u00a0\u00bbaccent\u00a0\u00bb overlay_alpha=\u00a0\u00bb50″ shift_x=\u00a0\u00bb0″ shift_y=\u00a0\u00bb0″ shift_y_down=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″ medium_width=\u00a0\u00bb0″ mobile_width=\u00a0\u00bb0″ width=\u00a0\u00bb1\/2″][vc_custom_heading heading_semantic=\u00a0\u00bbh1″ text_size=\u00a0\u00bbh1″ sub_lead=\u00a0\u00bbyes\u00a0\u00bb sub_reduced=\u00a0\u00bbyes\u00a0\u00bb]Avantages de la modification de surface[\/vc_custom_heading][vc_column_text]La modification de surface a une importance pratique importante pour am\u00e9liorer les performances de la poudre, am\u00e9liorer sa valeur pratique et ouvrir le d\u00e9veloppement de domaines d’application.<\/p>\n

Dans les plastiques, le caoutchouc, les adh\u00e9sifs et autres mat\u00e9riaux polym\u00e8res et mat\u00e9riaux composites, les charges en poudre non m\u00e9talliques, telles que le carbonate de calcium, le kaolin, le talc, le quartz, la wollastonite, l’amiante, l’hydroxyde de magn\u00e9sium, l’hydroxyde d’aluminium, etc., doivent \u00eatre La surface du la charge est modifi\u00e9e pour am\u00e9liorer sa compatibilit\u00e9 avec la matrice, sa dispersibilit\u00e9, sa r\u00e9sistance m\u00e9canique et ses performances globales.<\/p>\n

La modification de surface est l’une des m\u00e9thodes de traitement n\u00e9cessaires pour que les charges passent des charges incr\u00e9mentales g\u00e9n\u00e9rales aux charges fonctionnelles. C’est \u00e9galement le principal objectif de la modification de surface des charges min\u00e9rales.<\/p>\n

Modification du degr\u00e9 d’activation \u00e9lev\u00e9 de forme irr\u00e9guli\u00e8re, mat\u00e9riaux ultra-l\u00e9gers, ultra-fins, visqueux, agglom\u00e9r\u00e9s tels que des aiguilles en flocons, \u00e0 condition de respecter le m\u00e9canisme de modification et les conditions de traitement (la cl\u00e9 est la dispersibilit\u00e9 des mat\u00e9riaux et des additifs), l’utilisation de haute \u00e9nergie C’est une bonne m\u00e9thode pour compl\u00e9ter la modification pendant le broyage.[\/vc_column_text][\/vc_column][vc_column column_width_percent=\u00a0\u00bb100″ gutter_size=\u00a0\u00bb3″ back_image=\u00a0\u00bb86100″ overlay_alpha=\u00a0\u00bb50″ shift_x=\u00a0\u00bb0″ shift_y=\u00a0\u00bb0″ shift_y_down=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″ medium_width=\u00a0\u00bb0″ mobile_width=\u00a0\u00bb0″ width=\u00a0\u00bb1\/2″][vc_empty_space empty_h=\u00a0\u00bb5″][vc_empty_space empty_h=\u00a0\u00bb3″][\/vc_column][\/vc_row][vc_row row_height_percent=\u00a0\u00bb0″ override_padding=\u00a0\u00bbyes\u00a0\u00bb h_padding=\u00a0\u00bb2″ top_padding=\u00a0\u00bb4″ bottom_padding=\u00a0\u00bb0″ overlay_alpha=\u00a0\u00bb50″ equal_height=\u00a0\u00bbyes\u00a0\u00bb gutter_size=\u00a0\u00bb0″ column_width_percent=\u00a0\u00bb100″ shift_y=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″][vc_column column_width_percent=\u00a0\u00bb100″ position_vertical=\u00a0\u00bbmiddle\u00a0\u00bb align_horizontal=\u00a0\u00bbalign_center\u00a0\u00bb gutter_size=\u00a0\u00bb3″ overlay_alpha=\u00a0\u00bb50″ shift_x=\u00a0\u00bb0″ shift_y=\u00a0\u00bb0″ shift_y_down=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″ medium_width=\u00a0\u00bb0″ mobile_width=\u00a0\u00bb0″ width=\u00a0\u00bb1\/1″][vc_custom_heading sub_lead=\u00a0\u00bbyes\u00a0\u00bb sub_reduced=\u00a0\u00bbyes\u00a0\u00bb]Comment am\u00e9liorer l’effet de modification de surface ?[\/vc_custom_heading][\/vc_column][\/vc_row][vc_row row_height_percent=\u00a0\u00bb0″ override_padding=\u00a0\u00bbyes\u00a0\u00bb 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column_padding=\u00a0\u00bb2″ overlay_alpha=\u00a0\u00bb50″ border_color=\u00a0\u00bbcolor-177537″ border_style=\u00a0\u00bbsolid\u00a0\u00bb shift_x=\u00a0\u00bb0″ shift_y=\u00a0\u00bb0″ shift_y_down=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″ medium_width=\u00a0\u00bb4″ mobile_width=\u00a0\u00bb0″ css_animation=\u00a0\u00bbbottom-t-top\u00a0\u00bb width=\u00a0\u00bb1\/2″ css=\u00a0\u00bb.vc_custom_1623896177941{border-right-width: 1px !important;}\u00a0\u00bb][vc_icon icon=\u00a0\u00bbfa fa-scope\u00a0\u00bb size=\u00a0\u00bbfa-3x\u00a0\u00bb]Le modificateur adopte des mesures telles que la dilution, l’\u00e9mulsification, l’ajout de pulv\u00e9risation, etc.[\/vc_icon][\/vc_column_inner][vc_column_inner column_width_percent=\u00a0\u00bb90″ gutter_size=\u00a0\u00bb3″ override_padding=\u00a0\u00bbyes\u00a0\u00bb column_padding=\u00a0\u00bb2″ overlay_alpha=\u00a0\u00bb50″ border_color=\u00a0\u00bbcolor-177537″ border_style=\u00a0\u00bbsolid\u00a0\u00bb shift_x=\u00a0\u00bb0″ 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gutter_size=\u00a0\u00bb3″ override_padding=\u00a0\u00bbyes\u00a0\u00bb column_padding=\u00a0\u00bb2″ overlay_alpha=\u00a0\u00bb50″ border_color=\u00a0\u00bbcolor-177537″ border_style=\u00a0\u00bbsolid\u00a0\u00bb shift_x=\u00a0\u00bb0″ shift_y=\u00a0\u00bb0″ shift_y_down=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″ medium_width=\u00a0\u00bb4″ mobile_width=\u00a0\u00bb0″ css_animation=\u00a0\u00bbbottom-t-top\u00a0\u00bb animation_delay=\u00a0\u00bb200″ width=\u00a0\u00bb1\/2″ css=\u00a0\u00bb.vc_custom_1623896186908{border-right-width: 1px !important;}\u00a0\u00bb][vc_icon icon=\u00a0\u00bbfa fa-piechart\u00a0\u00bb size=\u00a0\u00bbfa-3x\u00a0\u00bb]Le contr\u00f4le de la temp\u00e9rature et du temps du syst\u00e8me doit r\u00e9pondre au m\u00e9canisme de modification ou aux exigences du modificateur sur les conditions du proc\u00e9d\u00e9 pour garantir l’ad\u00e9quation de la r\u00e9action de modification ou du rev\u00eatement.[\/vc_icon][\/vc_column_inner][vc_column_inner 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