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Modified polyphenylene sulfide fiber

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Modified polyphenylene sulfide fiber

Modified polyphenylene sulfide(MPPS ) fiber,which is based on polyphenylene sulfide fiber rawmaterials by structural modification. Is an innovative, with international advanced level of high-techachievements.

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Modified polyphenylene sulfide fiber

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产品描述

　　Modified polyphenylene sulfide fiber

　　The modified PPS fiber not only retains the inherent mechanical properties, chemical stability, flame retardant, insulation properties of PPS, its antioxidant properties, high temperature resistance has greatlyimproved. Maximum operating temperature: Increased from 204℃ to 260℃.

　　DMTA Test Analysis

　　Conventional PPS fiber in 130℃ when the glass transformation, fiber from the glass state to high-bounce state, high molecular chain segment movement, fiber stretch deformation; With stable mechanical properties.

　　SEM Test Analysis

　　The fiber thickness is uniform, the surface is smooth, and the fiber diameter is 12-14μm.

　　Physical Characteristics

Items	Unit	Value	Test Method
Breaking strength	cN/dtex	≥3.0	GB/T14337
Elongation at Break	%	15-20	GB/T14337
Density	g/cm³	1.4
Moisture Regain	%	0.5-2	GB/T6503
Glass Transition Temp.	℃	no	DMA
Shrinkage at 300℃ ,15min	%	≤1.2	FZ/T50004
Initial Tecomposition Temp.	℃	450	TG-DTG
Long-term Use Temp.	℃	230
Short-term Use Temp.	℃	260
Flame Phenomenon	No droplet, no shrinkage, leaving the fire from extinguishing

　　Excellent antioxidant properties

　　MPPS fiber has excellent antioxidant properties, in 65% nitric acid, 65 ℃ environment after cooking for 24 hours, 27% hydrogen peroxide solution, 93 ℃ environment after cooking for 24 hours, still has 85% fracture strength retention rate. Air environment (oxygen content 21%) 250 thigh temperature baking for 24 hours, strength retention rate of more than 90%.

　　Excellent high temperature resistance

　　MPPS has excellent high temperature resistance, with thermal decomposition temperatures 450 ℃ respectively. MPPS can be used for long periods of time below 230℃ , can also be used for a long time at 250℃ , and instantaneously use temperatures of up to 260 ℃ .MPPS has excellent dimensional stability in hot water or high temperature air, with boiling water shrinkage of less than 0.2%, and heat shrinkage at 230℃ and 250℃ respectively, 0.7% and 1.2%, far less than the interstitity of aramid and other fibers.

　　Excellent chemical resistance

　　MPPS is insoluble in any known organic solvent, after immersion in commonly used organic solvents such as N, N dimethylmethamphetamine, chloroform, dimethyl methylene and other liquids, the mechanical properties increased, the performance of organic solvents is outstanding. In acid and alkali has a better tolerance, in the strong acid solution, its tolerance is slightly better than interstitated aramid, in the strong alkali solution, its tolerance is slightly lower than interstitated aramid, higher than polyamide fiber.

　　Product specifications mainly include：

　　1.56(dtex)X51(mm)

　　1.56(dtex)X65(mm)

　　2.22(dtex)X51(mm)

　　2.22(dtex)X65(mm)

　　3.33(dtex)X51(mm)

　　3.33(dtex)X65(mm)

　　Other specifications need to be customized.

　　MPPS Filter performance

　　Test report attachment

Characteristic	Test items		Unit	Measured value	Remarks
Morphological characteristics	Mass per unit area		g/㎡	899
	Mass deviation per unit area		%	-3.7，+3.7
	Thickness		mm	3.60
	Thickness deviation		%	-5.8，+7.3
Powerful characteristics	Breaking strength	Radial	N/5×20cm	739
		Weft		1351
	Elongation at break	Radial	%	6.2
		Weft		26.9
Breathability	Air permeability		m³/ ㎡ .min	11.90
	Air permeability deviation		%	-7.4，+2.0
Oxygen resistance	Breaking strength	Radial	N/5×20cm	607	Hydrogen peroxide 30% room temperature 24h
		Weft		1374
	Elongation at break	Radial	%	9.5
		Weft		26.9
	Strength retention rate	Radial	%	82.1
		Weft		101.7
Oxygen resistance	Breaking strength	Radial	N/5×20cm	726	Hydrogen peroxide 30%50℃ 24h
		Weft		1360
	Elongation at break	Radial	%	8.3
		Weft		22.5
	Strength retention rate	Radial	%	98.2
		Weft		100.7
Oxygen resistance	Breaking strength	Radial	N/5×20cm	655	Hydrogen peroxide 30%85℃ 24h
		Weft		1317
	Elongation at break	Radial	%	10.2
		Weft		15.4
	Strength retention rate	Radial	%	88.8
		Weft		97.5
Acid resistance	Breaking strength	Radial	N/5×20cm	708	Sulfuric acid 60%85℃ 24h
		Weft		1318
	Elongation at break	Radial	%	7.9
		Weft		26.9
	Strength retention rate	Radial	%	96.5
		Weft		97.5
Nitric acid resistance	Breaking strength	Radial	N/5×20cm	781	Nitric acid 60%50℃ 24h
		Weft		1635
	Elongation at break	Radial	%	13.5
		Weft		20.9
	Strength retention rate	Radial	%	105.7
		Weft		121.0
Alkali resistance	Breaking strength	Radial	N/5×20cm	728	NaOH40%85℃ 24h
		Weft		1546
	Elongation at break	Radial	%	8.8
		Weft		19.7
	Strength retention rate	Radial	%	98.5
		Weft		114.4

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Modified polyphenylene sulfide fiber