John Campanelli - Akron OH, US Cigdem Gurer - North Canton OH, US Terry Rose - Akron OH, US John Varner - Norton OH, US
International Classification:
B29B007/28
US Classification:
366/076700, 366/084000
Abstract:
A method for evaluating and controlling a mixing process for polymer-based compounds includes the steps: obtaining initial starting conditions and values for viscosity dependent parameters; increasing batch temperature by a differential amount; calculating mixing parameters such as batch temperature, dispersion, viscosity, and torque based upon fundamental kinetic, thermodynamic, and Theological models; determining whether an endpoint or end points of one or more mixing parameters has been achieved; and changing one or more conditions so as to achieve the desired endpoint(s).
John R. Campanelli - Greer SC, US Michael L. Becraft - Greer SC, US
Assignee:
CRYOVAC, INC. - Duncan SC
International Classification:
C08L 23/14 B65D 85/00 C08K 3/34 B82Y 30/00
US Classification:
426531, 524445, 977700, 977902
Abstract:
An impact-modified polypropylene composite is made by mixing from 65 to 97 weight parts polypropylene having a glass transition temperature of greater than −25 C., from 3 to 35 weight parts propylene-based elastomer having a density of from 0.860 g/cc to 0.875 g/cc, a melting point of from 130 C. to 170 C., a glass transition temperature of from −35 C. to −25 C., and a melt flow rate of from 3.0 to 15.0 g/10 minutes, and from 0.1 to 20 weight parts of exfoliated silicate platelets.
- Orangeburg SC, US John Richard Campanelli - West Columbia SC, US Patrick Cooper - Orangeburg SC, US Justin A. Marro - Orangeburg SC, US Douglas Lee Tourville - Orangeburg SC, US Bhavya Singh - Orangeburg SC, US
The present application relates generally to tubes, such as thin walled catheter liners with small wall thicknesses (e.g., less than 1 mm), including crosslinked fluoropolymers, e.g., crosslinked poly(tetrafluoroethylene). The disclosure further provides methods of manufacturing such tubes and systems for manufacturing such tubes.
- Orangeburg SC, US John Richard Campanelli - West Columbia SC, US
International Classification:
B29C 61/06 B29C 61/02 B29C 61/00
Abstract:
The present disclosure provides a dual layer heat shrink tube having: an inner polymeric layer with a thickness tand an outer diameter D; and an outer, expanded polymeric layer with a thickness t′ and an outer diameter D′ obtained by expanding a polymer tube from Dto D′ and tto t′ at a selected temperature so that D′−2(t′)>D, wherein a ring cut from a cross-section of the dual layer heat shrink tube, slit into a rectangle and gripped at cut ends by tension grips within a DMA, and subjected to a temperature sweep of 3 C./min at a frequency of 1 Hz from the onset of a melting endotherm of the inner polymeric layer to that of the outer, expanded polymeric layer is greater than 1 C. and less than 12 C. The disclosure further provides associated methods for preparing and using such tubes, as well as to products comprising such tubes.
- Orangeburg SC, US John Richard Campanelli - West Columbia SC, US Patrick Cooper - Orangeburg SC, US Robert L. Ballard - Lexington SC, US Douglas Lee Tourville - Orangeburg SC, US
International Classification:
C08L 27/18 A61M 39/08
Abstract:
The present disclosure provides extruded PTFE composite tubes with a reduced coefficient of friction (COF). In some embodiments, such extruded PTFE composite tubes may exhibit a reduced change in coefficient of friction between about 20 C. and about 40 C. with the inclusion of secondary polymeric particles with small particle sizes (
- Orangeburg SC, US John Richard Campanelli - Greer SC, US Elizabeth A. Foley - Columbia SC, US Bruce L. Anneaux - Lexington SC, US Justin A. Marro - Orangeburg SC, US
International Classification:
B29C 55/26 A61L 31/06 A61L 31/14 A61L 31/16
Abstract:
Methods for preparing oriented polymer tubes, such as biodegradable polymer tubes suitable for in vivo use, are provided herein. The disclosed methods provide alternatives to the typical extrusion/expansion methods by which oriented polymeric tubes for such uses are commonly produced. Advantageously, the disclosed methods can provide more homogeneous molecular orientation of crystallizable polymers within the tube walls, which can endow such polymeric tubes with enhanced strength (e.g., resistance to compression) and toughness.
A method for enhancing/accelerating the depolymerization of polymers (e.g., those containing hydrolyzable linkages) is described herein. The disclosed method generally involves contacting a polymer comprising hydrolyzable linkages with a solvent and an alcohol to give a polymer mixture in which the polymer is substantially dissolved, wherein the contacting is conducted at a temperature at or below the boiling point of the polymer mixture. A resulting depolymerized polymer can be separated therefrom (including, e.g., monomers and/or oligomers). Such methods can be conducted under relatively mild temperature and pressure conditions.
Resumes
Director, Information Technology At The National Football League (Retired)
The National Football League Jul 1987 - Jul 2009
Director, Information Technology
MCI Jan 1986 - Jul 1986
Sr. Computer Operator
Technicon Jan 1981 - 1983
Sr. Computer Operator
Education:
State University of New York College at Brockport 1979 - 1983
Zeus
Senior Manager, Research and Development
Zeus Jan 2015 - Jun 2018
Senior Research Engineer
Sealed Air Corporation Feb 2005 - Jan 2015
Principal Engineer, R and D, Food Care
The Goodyear Tire & Rubber Company 1998 - 2005
Research Engineer, Compound Science Department
Concordia University 1995 - 1998
Assistant Professor
Education:
Mcgill University Jan 1, 1989 - 1993
Doctorates, Doctor of Philosophy, Chemical Engineering
Mcgill University Jan 1, 1982 - 1985
Bachelors, Chemical Engineering
Skills:
Polymers R&D Extrusion Product Development Plastics Polymer Science Materials Manufacturing Chemical Engineering Process Engineering Continuous Improvement Commercialization Coatings Engineering Polymer Chemistry Six Sigma Adhesives Packaging Composites Compounding Modeling Resin
John Campanelli (1995-1999), David Ellis (2000-2004), Jennifer Heyd (1957-1959), Eric Rodic (1998-2002), Bruce Brunkhorst (1956-1960), Linda Gantt (1959-1961)