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日期:2024-04-21
Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications including packaging and labeling, textiles (e.g., ropes, thermal underwear and carpets), stationery, ......
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日期:2024-04-18
用途 .冷卻水與鍋爐水用水垢抑制劑 .油田用水垢腐蝕抑制劑 .洗瓶工藝用,防止水垢及斑點等 .紡織工藝中,雙氧水安定劑,增進漂白之功能。...
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日期:2024-04-23
the large surface roughness of the PAA layer, which was a consequence of the grafting process (see section 3.1.). It is well known that if the sur-face roughness is too large the actual penetration depth of the indenter may be smaller than the sensed dept...
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日期:2024-04-20
Poly(acrylic acid) (PAA or Carbomer) is generic name for synthetic high molecular weight polymers of acrylic acid. They may be homopolymers of acrylic acid, crosslinked with an allyl ether pentaerythritol, allyl ether of sucrose or allyl ether of propylen...
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日期:2024-04-25
PAA Material Compatibility PUMPS: All pumps considered for use with PAA should have Teflon diaphragms and Teflon/polypropylene/kynar liquid contacting parts. Do not use elastomer composite material for seats or gaskets other than Teflon. Peristaltic pumps...
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日期:2024-04-23
8. 研究了聚丙烯酸銨在納米氮化鈦粉體上的定量吸附及其影響因素.實驗結果表明:納米氮化鈦的等電點在pH=3.8左右,加入分散劑PAA-NH4後,等電點移至pH=2附近,PAA-XH4在 ......
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日期:2024-04-19
polypropylene,expandable PVC--聚氯乙烯 PE--聚乙烯 PPR--無規(隨機)聚丙烯 PVDF--聚偏二氟乙烯 詳細管材如下: EVA--乙烯-醋酸乙烯聚物 PET 聚對苯二甲酸乙二酯poly(ethylene terephthalate) 01 PE-HD 高密度聚乙烯polyethylene, high density 02...
DEVELOPMENT OF A RAPID SCREENING METHOD TO DETERMINE PRIMARY AROMATIC AMINES (PAA) IN KITCHEN UTENSI
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日期:2024-04-22
DEVELOPMENT OF A RAPID SCREENING METHOD TO DETERMINE PRIMARY AROMATIC AMINES ( PAAs) IN KITCHEN UTENSILS USING DART-MS. Rafael Paseiro Cerrato1, Timothy H. Begley 2, Gregory O. Noonan 2 1 Department of Analytical Chemistry ......