Monitoring concentration of dope in product manufacture

Details Monitoring concentration of dope in product manufacture Monitoring concentration of dope in product manufacture

1993-05-24

1994-10-11

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of gaseous process material

159 5, 264 401, 264 402, 264 406, 264187, 264203, 425 71, 425135, 425143, 425217, 4253822, 425404, 425445, B29C 4792, D01F 202, D01F 1302

Patent

active

053545249

ABSTRACT:
The concentration of a dope of cellulose/amine oxide/water for use in the manufacture of continuous filaments of cellulose is controlled by measuring its refractive index and adjusting the water content to maintain the refractive index within specified limits.

REFERENCES:
patent: 4416698 (1983-11-01), McCorsley, III
"Process Refractometer PR-01", brochure by K-Patents Oy (undated).

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