PPS FORTRON ICE 716A泰科納
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FORTRON 0203 PPS Unfilled Low viscosity, for compoundingFORTRON 0205 PPS Unfilled Medium-range viscosity, for compounding
FORTRON 0205B4/20μm PPS Specialty Specialty
FORTRON 0214 PPS Unfilled High viscosity, for extrusion
FORTRON 0309 PPS Unfilled Unfilled
FORTRON 0320 PPS Unfilled High melt viscosity, for extrusion
FORTRON 1115L0 PPS Specialty Fiberglass reinforced with high melt strength for blow molding & extrusion applications
FORTRON 1120L4 PPS Specialty Fortron 1120L4 is a 20% glass fiber reinforced injection molding grade.
FORTRON 1130L0 PPS Glass Reinforced Fortron 1130L0 is a 30% glass-reinforced extrusion grade.
FORTRON 1130L4 PPS Glass Reinforced 30% Glass reinforced, excellent flow, good weldability, V-0
FORTRON 1131L4 ITT PPS Glass Reinforced
FORTRON 1140E7 PPS Glass Reinforced 40% Glass reinforced, low flash and fast cycling, V-0
FORTRON 1140L0 PPS Glass Reinforced 40% Glass reinforced extrusion grade, strong and tough, V-0
FORTRON 1140L4 PPS Glass Reinforced 40% Glass reinforced, strong and tough, V-0
FORTRON 1140L6 PPS Glass Reinforced 40% Glass reinforced, easy flow, strong and tough, V-0
FORTRON 1140L7 PPS Glass Reinforced 40% Glass reinforced, fast cycling, easy flow, V-0
FORTRON 1141L4 PPS Glass Reinforced 40% Glass reinforced PPS, low flash, V-0
FORTRON 1200L1 PPS Specialty Unfilled extrusion grade that has a high melt viscosity and tensile elongation.
FORTRON 1342L4 PPS Specialty 40% Glass reinforced with PTFE, low wear
FORTRON 4184L4 PPS Mineral / Glass Reinforced 53% Mineral/Glass reinforced, high strength, V-0
FORTRON 4184L6 PPS Mineral / Glass Reinforced 53% Mineral/Glass reinforced, high strength, easy flow, V-0
FORTRON 4332L6 PPS Mineral / Glass Reinforced Fortron 4332L6 is a glass fiber/mineral filled injection molding grade material.
FORTRON 4665B6 PPS Mineral / Glass Reinforced 65% Mineral/Glass, high CTI, low warpage, good electrical properties
FORTRON 6150T6 PPS Specialty This grade is a 50% glass-fiber reinforced and mineral-filled grade with improved impact and heat shock performance.
FORTRON 6160B4 PPS Mineral / Glass Reinforced 60% Mineral/Glass reinforced PPS for electrical applications to reduce contact corrosion.
FORTRON 6162A7 PPS Mineral / Glass Reinforced Mineral/glass reinforced grade for applications requiring the highest flow
FORTRON 6165A4 PPS Mineral / Glass Reinforced 65% Mineral/Glass reinforced, V-0
FORTRON 6165A6 PPS Mineral / Glass Reinforced 65% Mineral/Glass reinforced, easy flow, V-0
FORTRON 6341L4 PPS Specialty Specialty
FORTRON 6345L4 PPS Specialty Low Wear and Coefficient of Friction; variant of 1342L4
FORTRON 6450A6 PPS Specialty Low wear and lowest coefficient of friction
FORTRON 6850L6 PPS Mineral / Glass Reinforced 50% Mineral/Glass reinforced, low warpage, good surface, V-0
FORTRON CES50 PPS Specialty Glass-fiber reinforced, low chlorine
FORTRON FX4382T1 PPS Impact Modified Unreinforced, impact-modified extrusion grade.
PPS是一種綜合性能優(yōu)異的熱塑性特種工程塑料,其突出的特點(diǎn)是耐高溫,耐腐蝕和優(yōu)越的機(jī)械性能。PPS是含硫芳香族聚合物,線型PPS在350℃以上交聯(lián)后成熱固性塑料,支鏈型結(jié)構(gòu)PPS為熱塑性塑料。PPS是美國(guó)菲利普斯公司于1971年首先實(shí)現(xiàn)工業(yè)化生產(chǎn)的,專利到期后,日本的企業(yè)也開(kāi)始研發(fā)和生產(chǎn)。日企比較典型的有日本的東麗公司,現(xiàn)階段日本的產(chǎn)量已大于美國(guó)的產(chǎn)量。其他一些生產(chǎn)廠家也主要集中在美國(guó),日本,歐洲。
五大PPS生產(chǎn)商為菲利普斯,東麗,泰科納,寶理,大日本。我國(guó)的天津合成材料研究所、廣州化學(xué)試劑二廠、四川自貢化學(xué)試劑廠、河北工學(xué)院化工系及廣州化工研究所等單位曾有少量小試,但均無(wú)法穩(wěn)定連續(xù)生產(chǎn)。目前國(guó)內(nèi)PPS的銷售商有上海聯(lián)?;さ?,到2000年,PPS的產(chǎn)量可達(dá)到5萬(wàn)t/a。PPS的大需求為日本占33%,北美占32%,西歐占19%,亞太占16%。
PPS平均分子量為0.4-0.5萬(wàn),密度為1.3-1.8克每立方厘米,pps有十分有意的熱性能。用玻纖增強(qiáng)后的熱性能指標(biāo)更高,它的高連續(xù)使用溫度達(dá)400度,pps的熱穩(wěn)定性優(yōu)良,加熱至500度時(shí)重量損失不明顯,至700度時(shí)才會(huì)完全降解,它的力學(xué)性能隨溫度的升高下降很少,在232度經(jīng)5000h的熱老化后,其抗彎強(qiáng)度和抗拉強(qiáng)度還能保持50%以上。pps的抗拉強(qiáng)度、抗彎強(qiáng)度等性能在工程塑料中屬中等水平,而伸長(zhǎng)率和沖擊強(qiáng)度卻很低,因此在受力構(gòu)件中使用pps通常加入添加劑,如玻纖、碳纖、填料等來(lái)增強(qiáng)其力學(xué)性能,pps通過(guò)這種改性后,主要力學(xué)性能,如抗拉性能、抗彎性能、壓縮和沖擊強(qiáng)度均有大幅度提高,伸長(zhǎng)率卻有下降,改性后的pps能在長(zhǎng)期負(fù)荷和熱負(fù)荷的作用下保持高的力學(xué)性能和尺寸穩(wěn)定性,因而可應(yīng)用于溫度高的受力環(huán)境中。
PPS的介電常數(shù)很小,介電損耗相當(dāng)?shù)?,表面電阻率和體積電阻率對(duì)頻率、溫度、濕度的變化不敏感,是優(yōu)良的電絕緣材料,它的耐電狐時(shí)間也較長(zhǎng),pps的化學(xué)穩(wěn)定性相當(dāng)好,除了受強(qiáng)氧化酸,如濃、濃硝酸和王水的侵蝕外,它不受絕大多數(shù)酸堿鹽的侵蝕,具有接近于PTFE的化學(xué)穩(wěn)定性。在低于175度時(shí)不溶于任何已知的有機(jī)溶劑,pps與一般有機(jī)溶劑接觸時(shí)不會(huì)出現(xiàn)塑件開(kāi)裂現(xiàn)象。
環(huán)境性能:PPS的大特點(diǎn)之一為耐化學(xué)腐蝕性好,其化學(xué)穩(wěn)定性能僅次于F4;PPS對(duì)大多酸、酯、酮、醛、酚及脂肪烴、芳香烴、氯代烴等穩(wěn)定,不耐氯代聯(lián)及氧化性酸、氧化劑、王水、及次氯酸鈉等。PPS的耐輻射性好。
耐化學(xué)性能:PPS的大特點(diǎn)之一為耐化學(xué)腐蝕性好,其化學(xué)穩(wěn)定性能僅次于F4;
PPS本身的化學(xué)結(jié)構(gòu)相當(dāng)穩(wěn)定,而且含有阻燃性的元素:硫,因此,PPS具有優(yōu)異的耐燃性。將試片點(diǎn)燃,調(diào)整氧氣與氮?dú)獾牧魉儆^察燃燒情形。而剛好讓試片持續(xù)燃燒的氧氣濃度便是極限氧氣指數(shù),其值越高,表示耐燃性越佳。純PPS的極限氧氣指數(shù)可高達(dá)44,也就具有優(yōu)良的耐燃性。含填充劑或玻璃纖維的PPS的極限氧氣指數(shù)更高,其耐燃性更佳。
純PPS在厚度為0.8mm時(shí)便可通過(guò)UL-94 V0級(jí)?;旧?,除了少數(shù)等級(jí)如超韌系列之外,各種等級(jí)PPS的UL94燃燒性都是屬于V-0級(jí),在UL 94燃燒性中已是的等級(jí)了。超韌系列PPS含有一些增韌劑,會(huì)犧牲一些耐燃性。
純PPS及未添加導(dǎo)電物的PPS等級(jí)皆具有優(yōu)良的電氣絕緣性質(zhì)。添加碳纖維的PPS等級(jí)則有相當(dāng)?shù)偷捏w積電阻系數(shù)。
PPS電絕緣性(尤其高頻絕緣性)優(yōu)良,白色硬而脆,跌落于地上有金屬響聲,透光率僅次于有機(jī)玻璃,著色性耐水性,化學(xué)穩(wěn)定性良好。有優(yōu)良的阻燃性,為不燃塑料。
PPS強(qiáng)度一般,剛性很好,但質(zhì)脆,易產(chǎn)生應(yīng)力脆裂,不耐.汽油等有機(jī)溶劑.長(zhǎng)期使用溫度可達(dá)260度,在400度的空氣或氮?dú)庵斜3址€(wěn)定。通過(guò)加玻璃纖維或其它增強(qiáng)材料改性后,可以使沖擊強(qiáng)度大為提高,耐熱性和其它機(jī)械性能也有所提高,密度增加到1.6-1.9,成型收縮率較小到0.15-0.25%適于制作耐熱件.絕緣件及化學(xué)儀器.光學(xué)儀器等零件。