Glass fiber reinforcement polyphenylene sulfides

The stiffness constants and Young s moduli of 30 wt% glass fiber-reinforced Vectra A are given in Tables 14.9 and 14.10, respectively. The elastic moduli of 30 wt% glass fiber-reinforced polyphenylene sulfide (PPS), taken from reference 41, are also shown for comparison. PPS is isotropic and has a Young s modulus and shear modulus of 4.0... 

Ozel [86] studied the abrasive wear behavior of liquid crystal polymer, 30% reinforced polyamide 4,6, and 30% glass fiber-reinforced polyphenylene sulfide engineering polymers at atmospheric conditions. Pin-on-disc arrangement wear tests were carried out at 1 m/s test speed and load values of 4,6, and 8 N. Test durations were for 50,100 m and 150 m sliding distances. 

The specific wear rates of liquid crystalline polymers, 30% glass fiber-reinforced polyamide 4,6, and 30% glass fiber-reinforced polyphenylene sulfide ranged from 3 X 10" to 4.43 X 10- mmVNm, 1.63 x 10 to 1.1 x 10 mm /Nm, and 2.4 x 10 to 2.1 X 10" mmWm, respectively. 

Polyphenylene sulfide opens up new possibilities in aerospace, chemicals, electronic, food, and transportation applications [86], Thermoformed polyphenylene sulfide, in addition to its excellent mechanical properties (Table 3.2), can tolerate high tanpera-tures for prolonged periods of time. Thus, umeinforced polyphenylene sulfide has a thermal index of 186°C, and glass fiber-reinforced polyphenylene sulfide has a thermal index of 220°C. 

Polyphenylene sulfide is resistant to ionizing radiation. Measurements on molded parts made from glass fiber-reinforced polyphenylene sulfide have shown that neither flexural strength nor Young s modulus change under y- (50,000 kGy) or neutron radiation (10,000 kGy) [572]. Polyphenylene sulfide can be repeatedly sterilized. 

Figure 5.224 Aging behavior of glass fiber-reinforced polyphenylene sulfide in air at 150 °C compared to glass fiber-reinforced polyamide 46 and PPA [693]...

Other polymers with a fuel resistance to solvents include 30% carbon fiber-reinforced polyphenylene sulfide, glass fiber-reinforced ethylene chlorotrifiuoroethyl-ene, 20% glass fiber-reinforced perfluoroalkoxy ethylene, 20% carbon fiber-reinforced polyvinylidene, and 20% glass fiber-reinforced fluorinated ethylene-propylene. 

Polyphenylene-sulfide - 40% Glass Fiber Reinforced PPS - 40% GFR 1.66 VO 46 Good Good <0.05... 

Table 14.9 Stiffness constants (in GPa) of injection molded tensile bars of 30 wt% glass fiber-reinforced Vectra A and polyphenylene sulfide (PPS)...

In thermoplastics, carbon fiber compounds have been developed with nylon, polysulfone, thermoplastic, polyester, polyphenylene sulfide, polycarbonate, polypropylene, polyamide-imide, and ethylene/tetrafluoroethylene copolymer. Carbon fiber-reinforced molding compounds are available with carbon fiber contents of various levels such as 20, 30, and 40 weight percent. Nylon 66 molding compounds have also been developed with hybrid combinations of carbon and glass fiber reinforcements. 

Polyphenylene sulfide (glass fiber reinforced) 91 13.8 0.6 N/A 0.031 Hexural strength, modulus Electrical properties, notched Izod... 

The excellent electrical insulation property of E-glass has found many applications in this field. Fabrics made of textile glass yarn is the backbone of the printed circuit board of the modern electronic industry. Polybutene terephthalate, polyphenylene sulfide, and liquid crystal polymer reinforced with chopped glass fiber are also widely molded into electronic components (23). 

Polyphenylene sulfide is a partially crystalline polymer featuring an aromatic ring bridged by sulfur atoms in the 1,4-positions, as shown below. The form presented has the trade name of Ryton. Sample preparation of this material can be difficult, and the traditional KBr pellet method produces a poor-quality spectrum with Christiansen-type distortion (see Fig. 44b). A Csl pellet may be used instead to obtain an improved IR spectrum, suitable for quantitative analysis (see Fig. 44a). This polymer is usually used in conjunction with structural reinforcement additives, such as glass fibers or fillers such as PTFE (Teflon), and caution is necessary when attempting... 

Polyphenylene sulfide Glass fiber bead reinforced High heat appUcations... 

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