Patent ID: 11920270
Assignee: ZHEJIANG FURUN DYEING AND PRINTING CO., LTD.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D  B | IPC B  D

Claim 3:
4. The method according to claim 1, wherein the step of flat screen scraping sizing, pre-drying and pattern printing comprises:
performing a positioned sizing by using a flat screen to scrape a sizing agent to a position of a pattern to be digital inkjet-printed instead of full-width sizing,
wherein a formula per 100 kilograms (kg) of the sizing agent comprises: 70 kg of chemical synthesis paste, 3 kg of sodium bicarbonate, 1 kg of colorless anti-dyeing salt, 3 kg of sodium sulfate, 7 kg of urea, 3 kg of hygroscopic agent, and 13 kg of water;
wherein a formula per 100 kg of the chemical synthesis paste comprises: 6 kg of polymer powder and 94 kg of water;
wherein the chemical synthesis paste is evenly puffed by using an overnight standing method to increase a puffing degree;
wherein the flat screen scraping sizing and the pattern printing are performed synchronously, and then a sized fabric is pre-dried on a machine station with an infrared dryer at a drying temperature of 80° C.