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    • 5. 发明申请
    • LOW FORMALDEHYDE EMISSION ADHESIVE SYSTEM
    • 低甲醛排放胶粘体系
    • US20140014267A1
    • 2014-01-16
    • US13758058
    • 2013-02-04
    • DYNEA AS
    • Astrid PEDERSENKristin GROSTADPer SANDBAKKEN
    • C09J161/28
    • C09J161/28C09J161/32
    • The invention relates to an improved two component adhesive system, a kit comprising said two adhesive components, its use and a method for production of interior wood products, in particular form-pressed products, parquet floor elements and solid wood panels with very low formaldehyde emission and to the interior wood products obtainable having improved properties.The two-component adhesive system comprises adhesive component I comprising a 50-70 wt % melamine-formaldehyde (MF) type resin in 25-40 wt % water and adhesive component II comprising 25-40 wt % of a water based dispersion adhesive, 15-40 wt % of a formaldehyde scavenger and an acidic compound in an amount such that the pH of adhesive component II is 1.5-6.5, wherein adhesive component I and II are to be applied in a weight ratio I:II of 1:0.5 to 1:1.5 and the adhesive system has a molar ratio of formaldehyde (F) to total amino group (F/NH2) between 0.2 and 0.7.
    • 本发明涉及一种改进的双组分粘合剂体系,包括所述两种粘合剂组分的试剂盒,其用途和用于生产内部木制品的方法,特别是压制产品,镶木地板元件和具有非常低甲醛释放度的实木板 以及可获得的具有改进性能的内部木制品。 双组分粘合剂体系包括粘合剂组分I,其包含在25-40重量%水中的50-70重量%的三聚氰胺 - 甲醛(MF)型树脂和包含25-40重量%的水基分散粘合剂的粘合剂组分II,15 -40重量%的甲醛清除剂和酸性化合物,其量使得粘合剂组分II的pH为1.5-6.5,其中粘合剂组分I和II以1:0.5的重量比I:II施加至 1:1.5,粘合剂体系的甲醛(F)与总氨基(F / NH 2)的摩尔比在0.2和0.7之间。