Structure of PP structural foam moldings made by the gas-counterpressure process

Polymer - Plastics Technology and Engineering

Volumn 36, Issue 2, 1997, Pages 257-271

  Djoumaliisky, S ^a   Touleshkov, N ^a   Kotzev, G ^a  

^a INSTITUTE OF METAL SCIENCE   (Bulgaria)

Author keywords

[No Author keywords available]

Indexed keywords

BLOWING AGENTS; BUBBLES (IN FLUIDS); DENSITY (SPECIFIC GRAVITY); INJECTION MOLDING; MOLTEN MATERIALS; PLASTIC BUILDING MATERIALS; PLASTICS MOLDING; POLYPROPYLENES;

AZODICARBANAMIDE; GAS COUNTERPRESSURE PROCESS; STRUCTURAL FOAM MOLDINGS;

FOAMED PLASTICS;

EID: 0031102330     PISSN: 03602559     EISSN: None     Source Type: Journal    
DOI: 10.1080/03602559708000618     Document Type: Article

References (8)

1. A. Spaak and C. L. Weir, U.S. patent 3, 773, 873, Method and apparatus for injection moulding plastics articles (1970).
2. A. Balevsky, I. Dimov, A. Antonov, and S. Semerdjiev, Bulg. patent 18, 242, Method and apparatus for the production of thermoplastic bodies with a solid skin and cellular core (1972).
3. N. Touleshkov, S. Djoumaliisky, and G. Kotzev, Some properties changes in injection moulded PP structural foam. Polym. Degrad. Stabil., 26, 327 (1989).
4. S. Semerdjiev and N. Popov, Bulg. patent 23, 063, Distributing device for machine for injection moulding of thermoplastic part with solid skin and cellular core (1976).
5. J. L. Throne, Structural foam moulding parameters, J. Cellular Plast., 12, 161 (1976).
6. C. A. Vilamisar and C. D. Han, Studies of structural foam processing, II. Bubble dynamics in foam injection molding, Polym. Eng. Sci., 18, 699 (1978).
7. N. Popov and S. Semerdjiev, Technologische Moeglichkeiten des Strukturschaum-Spritzgiessens mit Gasgegendruck, Kunststoffberater, 9, 55 (1980).
8. S. Semerdjiev and N. Tuleschkov, Über die Gasphase in Strukturschaumstoff-Formteilen. Plaste und Kautschuk, 1, 32 (1980).