Automatic control of polymer molecular weight during synthesis

T McAfee, N Leonardi, R Montgomery, J Siqueira… - …, 2016 - ACS Publications
The continuous record of monomer and polymer concentrations, C m and C p, and
cumulative weight-average mass, M w, furnished by automatic continuous online monitoring …

A survey of advanced control of polymerization reactors

M Embirucu, EL Lima, JC Pinto - Polymer Engineering & …, 1996 - Wiley Online Library
A survey of the most recent papers regarding the advanced control of polymerization
reactors is carried out. Special attention is focused on optimal control theory, nonlinear …

[PDF][PDF] Use of a modern polymerization pilot-plant for undergraduate control projects

SA Mendoza-Bustos, A Penlidis… - Chemical Engineering …, 1991 - journals.flvc.org
Most chemical engineering processes exhibit con-siderable deviations from ideality since
complex physico-chemical phenomena are involved which are difficult to describe …

Modeling and control of polymerization reactors

WH Ray - Dynamics and Control of Chemical Reactors …, 1993 - Elsevier
The current state and key issues in the modeling and control of polymerization reactors are
surveyed. The physical phenomena, types of reactor models, sensor hardware, process …

A composition-temperature control strategy for semibatch emulsion copolymer reactors

F Zaldo, J Alvarez - IFAC Proceedings Volumes, 1998 - Elsevier
Emulsion copolymerization in semibatch reactors is an industrial process where important
commodity and engineering plastics are manufactured, and the design and control of the …

Optimization of continuous polymerization reactors: Start‐up and change of specification

JN Farber, RL Laurence - … Chemie. Macromolecular Symposia, 1986 - Wiley Online Library
Optimal policies for the control of large disturbances (start up and change of specification
problems) in continuous polymerization reactors are determined numerically and compared …

Nonlinear adaptive temperature control of multi-product, semi-batch polymerization reactors

T Clarke-Pringle, JF MacGregor - Computers & Chemical Engineering, 1997 - Elsevier
This paper considers the temperature control of semi-batch polymerization reactors in which
some of the following issues must be considered:(i) production of multiple products in the …

Optimal feedback control of a batch polymerization reactor

SR Ponnuswamy, SL Shah… - 1985 American Control …, 1985 - ieeexplore.ieee.org
A polymer product is characterized by such properties as number average and weight
average molecular weights. This paper describes the closed-loop optimal control of a batch …

Multivariable nonlinear control of a continuous polymerization reactor

M Soroush, C Kravaris - 1992 American Control Conference, 1992 - ieeexplore.ieee.org
In this experimental study, the Globally Linearizing Control (GLC) technique is applied to
control temperature and conversion in a continuous stirred tank polymerization reactor by …

Polymer composition control in emulsion co-and terpolymerizations

N Othman, G Févotte, TF McKenna - Industrial & engineering …, 2002 - ACS Publications
A new strategy for composition control in emulsion copolymerization and terpolymerization
processes, based on the use of nonlinear estimation and control techniques, is presented in …