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公开(公告)号:US5145900A
公开(公告)日:1992-09-08
申请号:US823607
申请日:1992-01-17
IPC分类号: C04B35/632 , C04B35/634 , C08L59/00 , C08L63/00 , C08L71/00 , C08L75/04 , C08L77/00
CPC分类号: C04B35/63424 , C04B35/634 , C04B35/63452 , C04B35/63456 , C04B35/63468 , C04B35/63488 , C08L59/00 , C08L63/00 , C08L71/00 , C08L75/04 , C08L77/00
摘要: Thermoplastic materials for the production of ceramic moldings containA) 40-65% by volume of a sinterable inorganic non-metallic powder,B) 35-60% by volume of a mixture ofB1) 70-90% by weight of a polyoxymethylene homo- or copolymer having up to 10 mol % of comonomer units andB2) 10-30% by weight of a polyoxymethylene copolymer with a comonomer content of 20-99 mol %, poly-1,3-dioxolane, poly-1,3-dioxane or poly-1,3-dioxepan, or of a polymer which is homogeneously dissolved or is dispersed with a mean particle size of less than 1 .mu.m in B1) or a mixture thereof,as a binder, andC) 0-5% by volume of a dispersant.
摘要翻译: 用于生产陶瓷模制品的热塑性材料包含A)40-65体积%的可烧结无机非金属粉末,B)35-60体积%的B1)70-90重量%的聚甲醛均聚物 - 或具有高达10mol%的共聚单体单元和B2的共聚物)10-30重量%的共聚单体含量为20-99mol%的聚甲醛共聚物,聚-1,3-二氧戊环,聚-1,3-二氧戊环, 或者在B1)或其混合物中均匀溶解或分散平均粒度小于1μm的聚合物作为粘合剂,C)0-5 体积%的分散剂。
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公开(公告)号:US5342561A
公开(公告)日:1994-08-30
申请号:US888719
申请日:1992-05-27
申请人: Hans-Josef Sterzel , Marion Meyer
发明人: Hans-Josef Sterzel , Marion Meyer
CPC分类号: C08J9/24 , B29C43/006 , B29C67/24 , C08J9/26 , B29C2791/001 , B29C43/10 , B29K2065/00 , B29K2077/10 , B29K2079/00 , B29K2079/08 , B29K2081/00 , B29K2105/251 , B29K2105/253
摘要: A process for thermoplastic processing and sintering an unplastifiable polymer comprises dispersing the unplastifiable polymer in powder form in a melt of a polyacetal or a mixture of polyacetals, cooling the resulting mixture, granulating it, forwarding the granules to a thermoplastic processing stage, injection or extrusion molding, exposing the molding to an atmosphere which contains an acidic gas, thereby de-polymerizing the polyacetal, enveloping the remaining porous molding on all sides in a gas/liquid-impermeable film, heating in an autoclave, and isostatically sintering the molding with pressure from all sides to form the finished article.
摘要翻译: 用于热塑性加工和烧结不可塑性聚合物的方法包括将粉末形式的不可分散聚合物分散在聚缩醛或聚缩醛混合物的熔体中,冷却所得混合物,将其造粒,将颗粒送入热塑性加工阶段,注射或挤出 成型,将成型体暴露在含有酸性气体的气氛中,从而使聚缩醛脱聚合,将气体/液体不可渗透膜中的所有侧面上的剩余的多孔成型体包围,在高压釜中加热,并在压力下等压烧结成型体 从各方形成成品。
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公开(公告)号:US5424445A
公开(公告)日:1995-06-13
申请号:US99140
申请日:1993-07-29
申请人: Johan H. Hendrick ter Maat , Marion Meyer , Knut Oppenlaender , Michael Zirnstein , Walter Denzinger , Lothar Franz
发明人: Johan H. Hendrick ter Maat , Marion Meyer , Knut Oppenlaender , Michael Zirnstein , Walter Denzinger , Lothar Franz
IPC分类号: B01F17/00 , B01F17/18 , B01F17/46 , C07C217/08 , C07C229/12 , C07C229/22 , C07C233/18 , C07D207/26 , C07D207/27 , C07D207/273 , C07D207/40 , C07D207/404 , C07D207/408 , C07D207/452 , C08G65/32 , C08G65/333 , C08J3/22
CPC分类号: C07D207/273 , B01F17/0042 , C07C217/08 , C07C229/12 , C07C229/22 , C07D207/404 , C08G65/333 , C08J3/226 , C08J2471/00
摘要: Alkoxylation products which are suitable as dispersants and are of the general formula I ##STR1## where A is oxygen or --CO--O-- when x and y are each 1 or is nitrogen when x+y=3,B is ethylidene or 1,2-propylidene,Z is one of the groups ##STR2## D.sup..crclbar. is formate, acetate, propionate or hydroxide, E.sup..crclbar. is carboxylate or sulfonate,M is a bridge group for completion of a pyrrolidone, succinimide or maleimide ring to give a group ##STR3## n is from 1 to 50, q is from 1 to 4,x and y are each 1 or 2, with the proviso that x+y.ltoreq.3,R.sup.1 is C.sub.8 -C.sub.30 -alkyl or, when A is oxygen, is C.sub.4 -C.sub.12 -alkyl-substituted phenyl,R.sup.2, R.sup.3 and R.sup.4 are each hydrogen, methyl or ethyl andR.sup.5 is hydrogen or methyl,a process for their preparation, their use for dispersing finely divided solids in flowable media, and formulations containing the alkoxylation products.
摘要翻译: 适合作为分散剂并具有通式I(R1)xA [(BO)nBNR2R3] y的烷氧基化产物,其中当x和y各自为1时,A为氧或-CO-O-,当x + y = 3,B是亚乙基或1,2-亚丙基,Z是乙酸酯,丙酸酯或氢氧化物之一,E( - )是羧酸酯或磺酸酯,M是完成吡咯烷酮,琥珀酰亚胺或马来酰亚胺环的桥基, n为1至50,q为1至4,x和y各自为1或2,条件是x + y = 3,R 1为C 8 -C 30 - 烷基,或 A是氧,是C 4 -C 12烷基取代的苯基,R 2,R 3和R 4各自是氢,甲基或乙基,R 5是氢或甲基,其制备方法,它们用于将细碎固体分散在可流动介质中, 和含有烷氧基化产物的制剂。
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