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    • 5. 发明授权
    • Soldering flux
    • 焊剂焊剂
    • US5382299A
    • 1995-01-17
    • US187738
    • 1994-01-28
    • Dosten BaluchAnthony E. Ingham
    • Dosten BaluchAnthony E. Ingham
    • B23K1/00B23K35/36B23K35/363B23K35/40B23K35/34
    • B23K35/3616B23K35/3615
    • A soldering flux composition includes an aqueous solution containing as component (A) a compound selected from (i) hydrohalides and hydrophosphates of guanidine and substituted guanidines, (ii) hydrohalides and hydrophosphates of a five-membered nitrogen containing heterocyclic amine of the formulaC.sub.x N.sub.y H.sub.3in which x is 1 or 2 and y is 4 or 5, and mixtures of (i) and (ii) and as component (B) at least one compound selected from hydrohalides and hydrophosphates of aliphatic amines selected from aliphatic monoamines of formula CH.sub.3 (CH.sub.2).sub.n NR.sub.2 and aliphatic diamines of formula R.sub.2 N(CH.sub.2).sub.m NR.sub.2 in which n is 0 to 10, m is 5 to 10 and R is hydrogen, methyl, ethyl, propyl or butyl, the components (A) and (B) being present in the relative proportions of 25 to 100% by weight of (A) and 75 to 0% of (B).
    • 助焊剂组合物包括含有作为组分(A)的水溶液,该化合物选自(i)卤化氢和胍和取代的胍的氢氧化磷酸盐,(ii)式C x N y H 3的五元含氮杂环胺的氢卤酸盐和氢氧化磷在 其中x为1或2,y为4或5,以及(i)和(ii)和作为组分(B)的混合物,选自脂族胺的氢卤酸盐和氢氧化磷中的至少一种化合物,其选自式CH3的脂族单胺 )nNR2和式R2N(CH2)mNR2的脂族二胺,其中n为0至10,m为5至10,R为氢,甲基,乙基,丙基或丁基,组分(A)和(B) (A)的25〜100重量%,(B)的相对比例为75〜0%。