Polímeros, 2006 O propósito do presente trabalho foi testar a validade do Método da Curva Mestre para a determinação da constante de cristalização não-isotérmica de polipropilenos modificados com anidrido maleico e ácido acrílico.
Benjamim de M. Carvalho +1 more
doaj +1 more source
Brazilian Journal of Otorhinolaryngology, 2022 Objective: Formation of scar on the face after septorhinoplasty may disturb the patient due to cosmetic concerns. One of the main factors affecting scar outcomes is probably the suture material used.
Mehmet Emrah Ceylan +1 more
doaj +1 more source
Does a bilateral polypropylene mesh alter the duct deferens morphology, testicular size and testosterone levels? Experimental study in rats [PDF]
Acta Cirúrgica Brasileira, 2020 Purpose To evaluate the effect of a PP mesh on duct deferens morphology, testicular size and testosterone levels. Methods Forty adult male rats were distributed into groups: 1) no surgery; 2) inguinotomy; 3) mesh placed on the duct deferens; and 4 ...
Sérgio Henrique Bastos Damous +5 more
doaj +1 more source
Processing and characterization of a polypropylene biocomposite compounded with maleated and acrylated compatibilizers [PDF]
, 2012 Polypropylene (PP) biocomposites containing 20wt.% sunflower hull as a particulate reinforcement were compounded and tested under tensile, flexural, and impact loadings.
Chevali, V +3 more
core +4 more sources
Effect of melt viscosity on the ejection force in injection moulds [PDF]
, 2004 This paper shows data on the ejection force of injection mouldings. The tubular mouldings are pin gated. Two polypropylenes with different melt viscosities (melt flow indices) were investigated.
Brito, A. M. +2 more
core +1 more source
Treatment of abdominal wall hernia with suture, or polypropylene, or collagen prosthesis [PDF]
Acta Cirúrgica Brasileira, 2016 PURPOSE: To develop an experimental model for incisional hernias and to compare morphological and functional aspects of hernia repairs by suture, polypropylene mesh and collagen mesh.
Diego Paim Carvalho Garcia +6 more
doaj +1 more source
New strategies to improve results of mesh surgeries for vaginal prolapses repair – an update
International Brazilian Journal of Urology, 2015 The use of meshes has become the first option for the treatment of soft tissue disorders as hernias and stress urinary incontinence and widely used in vaginal prolapse's treatment.
Fernando Goulart Fernandes Dias +3 more
doaj +1 more source
The relationship among changes in microstructure, active sites behavior and properties in the propylene polymerization with a 4th generation Ziegler-Natta catalyst [PDF]
Polyolefins Journal, 2019 Three polypropylene samples (1-3) were synthesized with a 4th generation Ziegler-Natta catalyst in the presence of cyclohexyldimethoxymethylsilane (donor c), dicyclopenthyldimethoxysilane (donor d) and diisopropyldimethoxysilane (donor p), respectively ...
Shokoufeh Hakim +2 more
doaj +1 more source
Nanofiller Fibre-Reinforced Polymer Nanocomposites [PDF]
, 2008 In this work, the technology of nano and micro-scale particle reinforcement concerning various polymeric fibre-reinforced systems including polyamides (PA), polyesters, polyurethanes, polypropylenes and high performance/temperature engineering ...
Desai, S. +2 more
core +1 more source
Comparative study of intraperitoneal adhesions related to light-weight polypropylene mesh and type I polymerized and purified bovine collagen coated light-weight polypropylene mesh in rabbits [PDF]
Acta Cirúrgica Brasileira, 2017 Purpose: To compare the effectiveness of light-weight polypropylene mesh coated with polymerized and purified bovine type I collagen (Surgidry HNB) in the treatment of abdominal wall defect and the degree of adhesion formation.
Diego Paim Carvalho Garcia +8 more
doaj +1 more source