Environmental friendly lead-free aluminum slurry and preparation method thereof
An environment-friendly, aluminum paste technology, applied in the direction of cable/conductor manufacturing, conductive materials dispersed in non-conductive inorganic materials, electrical components, etc., can solve problems such as lead pollution, achieve high adhesion, small ohmic contact, To achieve the effect of stability
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Embodiment 1
[0082] according to figure 1 As shown, a kind of environment-friendly type lead-free aluminum paste comprises: anti-oxidation superfine aluminum alloy powder, silicon barium borate composite glass frit and composite organic carrier, and its component weight percent is as follows:
[0083] Anti-oxidation ultrafine aluminum alloy powder 69
[0084] Silicon barium borate composite glass frit 10.5
[0085] Composite organic vehicle 20.5.
[0086] A preparation method of environment-friendly lead-free aluminum paste, the steps are as follows:
[0087] (1) Preparation of silicon barium borate composite glass frit:
[0088] Its component weight percent is as follows:
[0089] BaCO 3 45.5
[0090] SiO 2 18.2
[0091] B 2 o 3 15
[0092] al 2 o 3 5.5
[0093] ZnO 5
[0094] CaO3
[0095] Li 2 O 7.5
[0096] Y 2 o 3 0.3
[0097] Weigh the above components in proportion, put t...
Embodiment 2
[0135] according to figure 1 As shown, a kind of environment-friendly type lead-free aluminum paste comprises: anti-oxidation superfine aluminum alloy powder, silicon barium borate composite glass frit and composite organic carrier, and its component weight percent is as follows:
[0136] Anti-oxidation ultrafine aluminum alloy powder 65
[0137] Silicon barium borate composite glass frit 12.8
[0138] Composite organic vehicle 22.2.
[0139] A preparation method of environment-friendly lead-free aluminum paste, the steps are as follows:
[0140] (1) Preparation of silicon barium borate composite glass frit:
[0141] Its component weight percent is as follows:
[0142] BaO35
[0143] SiO 2 28.5
[0144] B 2 o 3 18.2
[0145] MgO6.8
[0146] Bi 2 o 3 5
[0147] Stabilizer 6
[0148] Regulator 0.5
[0149] The regulator is Li 2 O and Na 2 O, Li 2 O and Na 2 The mixing weight ratio of O is 2:1;
[0150] The stabilizer is Ce 2 o 3 ...
Embodiment 3
[0189] according to figure 1 As shown, a kind of environment-friendly type lead-free aluminum paste comprises: anti-oxidation superfine aluminum alloy powder, silicon barium borate composite glass frit and composite organic carrier, and its component weight percent is as follows:
[0190] Antioxidant ultrafine aluminum alloy powder 70
[0191] Silicon barium borate composite glass frit 11.5
[0192] Composite organic vehicle 18.5.
[0193] A preparation method of environment-friendly lead-free aluminum paste, the steps are as follows:
[0194] (1) Preparation of silicon barium borate composite glass frit:
[0195] Its component weight percent is as follows:
[0196] BaO 32.5
[0197] SiO 2 20.3
[0198] B 2 o 3 15.5
[0199] al 2 o 3 4.1
[0200] Bi 2 o 3 20.2
[0201] ZnO 5.3
[0202] Regulator 1.9
[0203] Stabilizer 0.2
[0204] The regulator is K 2 O, Na 2 O, K 2 O and Na 2...
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