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    • 1. 发明申请
    • WATERBASED FORMALDEHYDE FREE ADHESIVES
    • 含水甲醛免费粘合剂
    • WO2010007061A1
    • 2010-01-21
    • PCT/EP2009/058988
    • 2009-07-14
    • DSM IP ASSETS B.V.TENNEBROEK, RonaldOVERBEEK, Gerardus, CornelisSLOT, VAN DER, Saskia, CarolienAABICH, MouradZAMBEEK, Marcel
    • TENNEBROEK, RonaldOVERBEEK, Gerardus, CornelisSLOT, VAN DER, Saskia, CarolienAABICH, MouradZAMBEEK, Marcel
    • C08G18/08C08G18/12C09J175/04C08L33/12
    • C08G18/0823B32B7/12B32B21/08B32B21/14B32B27/40B32B2307/414B32B2307/7265B32B2405/00C08G18/12C08G18/4854C08G18/6692C08G18/755C08L2666/04C09J175/04Y10T156/1043Y10T428/31551C08G18/3231
    • There is described a formaldehyde-free laminating adhesive, optionally the with less than 3% by weight of co-solvent(s), the adhesive comprising: (I) a polyurethane that comprises from 30 % to 65 % by weight of hard segments, the polyurethane being obtained and/or obtainable from a first polyurethane dispersion (PUD) comprising the reaction product of (A) an organic isocyanate and (B) at least one chain extender reacting in a respective stoichiometric ratio (NCO to NCO reactive group) from 1:1 to 1:2.5 and; optionally the NCO reactive group(s) of the chain extender comprises one or more hydrazinyl-like group(s) (denoting isocyanate reactive groups selected from the group comprising, preferably consisting of: -NRNR 2 (hydrazinyl groups); -CONRNR 2 (hydrazidyl groups), -NRCONRNR 2 (semicarbazidyl groups); and -ONR 2 (oxyamine groups), where each R is independently selected from H or C 1-10 hydrocarbo); and (II) optionally a second polymer obtained and/or obtainable from a polymer precursor comprising at least one unsaturated moiety, preferably an ethylenically unsaturated group, and where optionally the second polymer may be iminated; with the provisos that: (α) when the first polyurethane does not comprise hydrazinyl-like group(s) then the second polymer is iminated; and (β) when the second polymer is un-iminated or is absent then the first polyurethane comprises hydrazinyl-like group(s). These adhesives may be used to adhere surface veneers to wood and/or to laminate the layers within plywood.
    • 描述了不含甲醛的层压粘合剂,任选地具有小于3重量%的助溶剂,粘合剂包含:(I)包含30重量%至65重量%硬链段的聚氨酯, 所述聚氨酯由包含(A)有机异氰酸酯和(B)至少一种以相应的化学计量比(NCO至NCO反应性基团)反应的至少一种扩链剂的反应产物的第一聚氨酯分散体(PUD)获得和/或获得, 1:1至1:2.5和; 任选地,扩链剂的NCO反应性基团包含一个或多个肼基 - 类基团(表示选自以下的异氰酸酯反应性基团:优选由以下基团组成:-NRNR2(腙基); -CONRNR2(肼基 ),-NRCONRNR2(氨基脲基);和-ONR2(羟胺基),其中每个R独立地选自H或C1-10氢化碳基); 和(II)任选的第二聚合物,其由包含至少一个不饱和部分,优选烯键式不饱和基团的聚合物前体获得和/或可获得,并且其中任选地第二聚合物可以被亚胺化; 条件是:(a)当第一聚氨酯不包含肼基 - 类基团时,则第二聚合物被亚胺化; 和(ß),当第二聚合物未被或不存在时,第一聚氨酯包含类似肼基的基团。 这些粘合剂可以用于将表面胶合板粘附到木材上和/或将胶层层压在胶合板中。
    • 8. 发明申请
    • COATING COMPOSITION COMPRISING AUTOXIDISABLE COMPONENT
    • 包含可自动化组分的涂料组合物
    • WO2009121892A1
    • 2009-10-08
    • PCT/EP2009/053830
    • 2009-03-31
    • DSM IP ASSETS BVOVERBEEK, Gerardus CornelisCASTEREN, VAN, IlseTENNEBROEK, RonaldWERF, VAN DER, Jelle Bernardus Otto
    • OVERBEEK, Gerardus CornelisCASTEREN, VAN, IlseTENNEBROEK, RonaldWERF, VAN DER, Jelle Bernardus Otto
    • C08F8/14C08F20/28C09D133/14C08F8/06C08J3/24
    • C09D133/14C08F8/14C08F8/44C08F220/28C08F220/32C08F2810/30C08F2810/50C09D133/068Y10T428/31855C08F120/06C08F2220/325C08F220/14C08F2220/1825C08F212/08
    • There is described (pref. non-adhesive) coating compositions (which may be either water or solvent borne) that comprise an autoxidisable vinyl polymer, the autoxidisable polymer having a vinyl polymer backbone 25% to 75% by wt of the autoxidisable polymer; fatty acid residue 25% to 75% by wt of the autoxidisable polymer; T g from -6O°C to +2O°C, M w from 3500 to 50000 g/mol; and polydispersity from 2 to 10; the autoxidisable polymer obtained by a process of: (A) polymerising ethylenically unsaturated vinyl monomers comprising: at least one epoxy functional vinyl monomer 15% to 100% by wt total monomers in (A); 0 to 85% of at least one other ethylenically unsaturated vinyl monomer, (preferably other than styrenic monomers) by wt total monomers in (A); (B) reacting the epoxy functional polymer from (A) with fatty acids having an average iodine value from 30 to 250 g I 2 / 100 g fatty acid; where composition has: a) a opt. co-solvent content ≤ 40% by wt of the composition; b) a solids content either ≥ 30% (aqueous) ≥ 60% (solvent based) by wt of the composition, the composition as a coating film having a telegraphing value of less than 10 gloss units (difference between an initial smooth gloss minus an initial rough gloss of the film).
    • 描述了包含可自动氧化的乙烯基聚合物的(优先非粘性)涂料组合物(其可以是水或溶剂载体),所述可自动氧化聚合物具有25重量%至75重量%的可自动氧化聚合物的乙烯基聚合物主链; 脂肪酸残基25%至75%重量的可自动氧化聚合物; Tg为-60℃至+ 20℃,Mw为3500至50000g / mol; 多分散性为2〜10; 通过以下方法获得的可自动氧化聚合物:(A)烯键式不饱和乙烯基单体的聚合,包括:(A)中至少一种15重量%至100重量%的单体的至少一种环氧官能乙烯基单体; 0至85%的(A)中的总单体的至少一种其它烯属不饱和乙烯基单体(优选不同于苯乙烯类单体); (B)使来自(A)的环氧官能聚合物与平均碘值为30-250g I2 / 100g脂肪酸的脂肪酸反应; 其中组合有:a)选择。 共溶剂含量= 40重量%的组合物; b)固体含量=组合物重量的30%(水性)= 60%(溶剂基),作为涂膜的组合物,其透印值小于10个光泽单位(初始平滑光泽度减去 初始粗糙的光泽度)。