Alcohol-soluble polyamide resin for plastic printing ink and preparation method thereof
A technology of alcohol-soluble polyamide and resin, which is applied in the field of alcohol-soluble polyamide resin for plastic printing ink and its preparation, can solve the problems of weak adhesion, poor weather resistance and low temperature stability, poor transparency, etc., and achieve frost resistance The effect of excellent, excellent adhesion, excellent alcohol solubility and anti-gel properties
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Embodiment 1
[0019] Example 1 discloses an alcohol-soluble polyamide resin for plastic printing ink, its raw material components and parts by weight are: 30 parts of dimer acid, 4 parts of sebacic acid, 30 parts of ethylenediamine, dodecyl 3 parts of mercaptan, 3 parts of acetic acid, 2 parts of glycerin, 1 part of isophthalic acid, 2 parts of bisphenolic acid and 4 parts of ethanolamine.
[0020] Wherein, the dimer acid is refined dimer acid, wherein the dimer weight content is 91%, and the monoacid, trimer and multimer are 9%.
[0021] The preparation method of plastic printing ink alcohol-soluble polyamide resin in the present embodiment is as follows:
[0022] Step 1, the preparation of polyamide resin
[0023] Add dimer acid and sebacic acid into the reaction kettle, feed nitrogen, adjust the pressure to 1Mpa, heat at 120°C for 5min, then add ethylenediamine, dodecyl mercaptan, acetic acid and glycerol in sequence, and raise the temperature to 200°C, turn on the agitator, adjust the...
Embodiment 2
[0027] Embodiment 2 discloses an alcohol-soluble polyamide resin for plastic printing ink, its raw material components and parts by weight are: 50 parts of dimer acid, 6 parts of sebacic acid, 50 parts of hexamethylenediamine and p-phenylenediamine , 5 parts of α-methylstyrene linear dimer, 4 parts of acetic acid, 3 parts of glycerin, 2 parts of isophthalic acid, 3 parts of bisphenolic acid and 6 parts of ethanolamine.
[0028] Wherein, the dimer acid is refined dimer acid, the weight ratio of its dimer is 95%, and the balance of monoacid, trimer and multimer is 5%.
[0029] The preparation method of plastic printing ink alcohol-soluble polyamide resin in the present embodiment is as follows:
[0030] Step 1, the preparation of polyamide resin
[0031] Add dimer acid and sebacic acid into the reaction kettle, feed nitrogen, adjust the pressure to 2Mpa, heat at 140°C for 5min, then add hexamethylenediamine, p-phenylenediamine, α-methylstyrene linear dimer solid, acetic acid a...
Embodiment 3
[0035] Embodiment 3 discloses an alcohol-soluble polyamide resin for plastic printing ink, its raw material components and parts by weight are: 40 parts of dimer acid, 5 parts of sebacic acid, propylenediamine, hexamethylenediamine and p-phenylene 40 parts of diamine, 4 parts of α-methylstyrene linear dimer, 3.5 parts of acetic acid, 3 parts of glycerin, 1.5 parts of isophthalic acid, 2 parts of bisphenolic acid and 5 parts of ethanolamine.
[0036] Wherein, the dimer acid is refined dimer acid, and its dimer weight ratio is 90%, and the monoacid, trimer and multimer are 10%.
[0037] The preparation method of plastic printing ink alcohol-soluble polyamide resin in the present embodiment is as follows:
[0038] Step 1, the preparation of polyamide resin
[0039] Add dimer acid and sebacic acid into the reaction kettle, feed nitrogen, adjust the pressure to 1~2Mpa, heat at 120~140°C for 5min, then add propylenediamine, hexamethylenediamine, p-phenylenediamine, α - Methylstyre...
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