Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element responds proportionally to a variable signal...
Reexamination Certificate
2009-06-07
2011-12-06
Leung, Jennifer A (Department: 1774)
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element responds proportionally to a variable signal...
C422S111000, C422S131000, C422S134000
Reexamination Certificate
active
08071032
ABSTRACT:
The invention discloses a method and a system for manufacturing organopolysiloxane. The system comprises N raw material tanks, N gauging tanks, a first reactor, a second reactor and at least one product tanks which are arranged in order from high to low. The manufacturing method comprises the following steps of: firstly, N raw materials are added into the N raw material tanks respectively. Then, a plurality of processing parameters about the organopolysiloxane are inputted to control the N gauging tanks to measure the dosage of the N raw materials according to the processing parameters, which along with a cyclic siloxane monomer are inputted into the first reactor. The first reactor is controlled to carry on ring-opening and re-distribution polymerization equilibrium reaction to the N raw materials and the cyclic siloxane monomer, so as to generate an intermediate product, and transfer the intermediate product into the second reactor. Finally, the second reactor is controlled to carry on a decomposition transient catalytic reaction to the intermediate product and a devolatilization operation to obtain the organopolysiloxane products.
REFERENCES:
patent: 4652662 (1987-03-01), von Au et al.
patent: 6214962 (2001-04-01), Takahashi et al.
patent: 7759446 (2010-07-01), Geisberger et al.
Hsieh Chi-Fa
Liu Tai-Kang
Chung-Shan Institute of Science and Technology Armaments Bureau,
Leung Jennifer A
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