Engineering drawing paper and manufacturing method thereof
A drawing paper and engineering technology, applied in papermaking, textile and papermaking, inorganic compound addition, etc., can solve the problems of high consumption of softwood chemical pulp, poor digital printing effect, rough surface of paper, etc., to improve affinity and reduce fiber cutting. , Improve the effect of surface fineness
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[0011] Example 1:
[0012] Beat the bleached kraft softwood chemical pulp to 45 0 SR, bleached kraft hardwood chemical pulp beat to 32 0 SR; Prepare the mixed pulp according to the ratio of 15:85, add (A) sodium carboxymethyl cellulose to the absolute dry pulp dosage: 0.3%; (B) wet strength agent PAE: 0.8%; (C) paper surface sizing and lubrication Agent (calcium stearate) dosage 0.6kg / t paper; (D) In surface sizing, the dosage of organic fixing agent is 8kg / t paper; CaCl 2 Dosage 15kg / t paper; (E) Dosage of sizing agent ASA: 0.9kg / t paper; (F) Cationic corn starch in pulp: 10kg / t paper; (G) Surface sizing enzyme converted starch 80kg / t paper; ( H) Filling light calcium carbonate 170kg / t paper. The paper material is formed by the wire section, pressed, pre-drying, surface sizing, post-drying, calendering finishing, coiling, and rewinding to obtain products with specifications and sizes required by users.
[0013] Concentration of copy-made online: 0.102%; (B) PH value of online: ...
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[0015] Example 2:
[0016] Beat the bleached kraft softwood chemical pulp to 47 0 SR, bleached kraft hardwood chemical pulp beat to 33 0 SR; Prepare the mixed pulp according to the ratio of 18:82, add (A) sodium carboxymethyl cellulose to the absolute dry pulp dosage: 0.5%; (B) wet strength agent PAE: 1.0%; (C) paper surface sizing and lubrication Agent (calcium stearate) dosage 0.7kg / t paper; (D) in surface sizing, organic fixing agent dosage 7.5kg / t paper; CaCl2 dosage 12.5kg / t paper; (E) sizing agent ASA dosage : 1.2kg / t paper; (F) cationic corn starch in pulp: 9kg / t paper; (G) surface sizing enzyme converted starch 78kg / t paper; (H) filler light calcium carbonate 175kg / t paper. The paper material is formed by the wire section, pressed, pre-drying, surface sizing, post-drying, calendering finishing, coiling, and rewinding to obtain products with specifications and sizes required by users.
[0017] Concentration of copy-made online: 1.11%; (B) online PH: 8.4; (C) online beating ...
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