The sizing agents recipe ingredients laboratory

The sizing agents recipe ingredients laboratory
Rosin sizing agent formulations
The raw recipe ratio (parts by mass)
Polyethylene ---------------- 4 parts;
The paraffin ------------------ 16 copies;
The water -------------------- 160 copies;
The rosin ------------------ 18 copies;
Tall oleic -------------- 15.
Preparation Methods: low molecular weight polyethylene, paraffin wax and water was heated to 90 ℃, at this temperature, stirring edge hondurensis incense crumb, tall oil acid is added after 10 minutes.Within 10 minutes of the obtained emulsion was cooled to 20 ° C can be obtained by such a rosin-based sizing agent formulations.
Product Features: The emulsion is stable for 90 days.This product sizing paper with 1% to 6% (dry basis), its physical and mechanical properties are good, the amount of water absorption of 10g / sqm.
Second, the starch sizing agent formulations
The ratio of raw materials and formulations
The corn starch ------------------ 100 copies;
Sodium hydroxide ------------------ 2.2;
Sodium -------------------- 50 copies;
Water ------------------------ 125 copies;
Diethylamino trichlorethylene ---------- 5 parts;
The propylene oxide ------------------ 8 parts;
Hydrogen peroxide (35%) ----------- 18 parts.
Preparation Methods: The first four components of the sizing agent in the formulation mixed, adding diethylaminoethyl vinyl chloride, stirred for 5 h at 45 ℃, propylene oxide, and then the mixture was added, under stirring at 40 ℃ 8H,and then add 35% hydrogen peroxide, stirred for 4h corn starch sizing agent formulations can be obtained.
Product Application: The pH was adjusted with dilute hydrochloric acid value of 4.5, so that the cationic starch to precipitate out.Obtained cationic starch can be used as a stabilizer of the emulsion, to add to neutral sizing agent used in the amount of 0.5% to 9%.
Third, the synthetic resin sizing agent formulations
Component of the raw material and recipe content (parts by mass)
O-octylphenol --------------- 206 copies;
92% paraformaldehyde toluene -------- 65 copies;
Sodium hydroxide --------------- 2 parts;
The gum rosin ----------------- 800 copies;
Fumarate ----------------- 48.
Preparation Methods: octyl phenol with paraformaldehyde in toluene were mixed at 65 ℃ was treated with sodium hydroxide 10h, heated together with the gum rosin and added fumaric acid treated at 190 ~ 200 ℃ for 2 h, and then treated at 200 to 205 ° C4h i.e. an acid value of 193 and a softening point of 100 ° C Synthesis of resin sizing agent formulations.
Product features: the use of the sizing agent is coated on the aluminum content is 0.016% of the paper, so that the amount of solid sorbent is 0.213%, and in the 80 ° C drying 200S.
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