专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06945687B2 Mixing apparatus having a cooled connector 失效
标题翻译：具有冷却连接器的混合装置
公开(公告)号：US06945687B2
公开(公告)日：2005-09-20
申请号：US10398115
申请日：2001-10-04
申请人： Norbert Güntherberg , Jürgen Hofmann , Elmar Mailahn , Hilmar Ohlig
发明人： Norbert Güntherberg , Jürgen Hofmann , Elmar Mailahn , Hilmar Ohlig
IPC分类号： B29B7/38 , B29B7/82 , B29C47/10 , B29C47/50 , B29C7/46
CPC分类号： B29C47/1063 , B29C47/0007 , B29C47/0011 , B29C47/0019 , B29C47/0023 , B29C47/003 , B29C47/1045 , B29C47/38 , B29C47/50 , B29K2105/0005 , B29K2105/12
摘要： The present invention relates to a mixing apparatus at least composed of a screw-based machine S1 and a screw-based machine S2, where S1 has heating equipment, at least in the plasticizing and homogenizing zone, and where the outlet from S2 has been connected to the screw-containing barrel of S1, within the plasticizing or homogenizing zone of S1, a substantive feature of which is that the connection between S1 and S2 is brought about by a connector which has cooling equipment effective as far as the inner wall of the screw-containing barrel of S1, and to a process for preparing thermoplastically processable molding compositions, in particular additive masterbatches, from at least one thermoplastic component C1 and at least one component C2, where the melting point or decomposition temperature TMC2 of C2 is lower, by at least about 50° C., than the temperature THC1, which is the lower limit of the thermoforming range of C1, and where most of C2 is melted only after contact with C1.
摘要翻译：本发明涉及一种至少由螺旋式机器S1和螺旋式机器S2组成的混合装置，其中S 1至少在塑化和均化区域中具有加热设备，并且其中S的出口 2已经连接到S 1的含螺杆的筒中，在S 1的塑化或均质区内，其实质特征在于S1和S2之间的连接是由具有冷却设备的连接器带来的至于S 1的含螺杆的筒的内壁，以及从至少一种热塑性组分C 1和至少一种组分C 2制备可热塑性加工的模塑组合物，特别是添加剂母料的方法，其中 C 2的熔点或分解温度T C2比C 2的温度低至少约50℃， SUP> C1 ，这是C 1的热成型范围的下限，并且其中C 2的大部分仅在与C 1接触后熔化。

2. 发明授权

US6165399A Process for producing thermoplastics 有权
标题翻译：生产热塑性塑料的工艺
公开(公告)号：US6165399A
公开(公告)日：2000-12-26
申请号：US269344
申请日：1999-03-25
申请人： Norbert Guntherberg , Jurgen Hofmann , Elmar Mailahn , Hilmar Ohlig , Bernhard Czauderna , Sven Grabowski , Klaus Bus
发明人： Norbert Guntherberg , Jurgen Hofmann , Elmar Mailahn , Hilmar Ohlig , Bernhard Czauderna , Sven Grabowski , Klaus Bus
IPC分类号： B29B7/48 , B29B7/58 , B29B13/06 , B29C47/40 , B29C47/64 , B29C47/76 , B29C63/00 , C08J3/20 , C08J3/205 , C08J5/18 , C08L21/00 , C08L51/04
CPC分类号： B29B13/06 , B29C47/0011 , B29C47/0019 , B29C47/0023 , B29C47/40 , B29C47/64 , B29C47/76 , C08J3/205 , C08L51/04
摘要： A process for preparing thermoplastics or polymer blends comprising (A) from 5 to 95% of a water-moist elastomer component containing up to 60% of residual water, (B) from 5 to 95% of a thermoplastic polymer, (C) from 0 to 95% of a further polymer, and (D) from 0 to 70% of additives, said process comprising mixing the components A to D in an extruder with mechanical dewatering of component A, wherein the extruder has at least two rotating screws and, in the conveying direction, is essentially composed of a metering section into which component A is fed, a squeeze section which serves for dewatering component A and contains a retarding element and an associated dewatering orifice which is present upstream of the retarding element by a distance corresponding to at least one screw diameter, a feed section in which the thermoplastic polymer B is introduced as a melt into the extruder, a plastication section with mixing or kneading elements, a devolatilization section with an orifice and in which the remaining water is removed as steam, and a discharge zone.
摘要翻译： PCT No.PCT / EP97 / 05000 Sec。 371日期1999年3月25日 102（e）1999年3月25日PCT PCT 1997年9月12日PCT公布。第WO98 / 13412号公报日本1998年4月2日制备热塑性塑料或聚合物共混物的方法，其包含（A）5-95％的含有高达60％的残余水的水 - 润湿弹性体组分，（B）5-95％的热塑性聚合物，（C）0至95％的另外的聚合物，和（D）0至70％的添加剂，所述方法包括在挤出机中将组分A至D混合，组分A的机械脱水，其中挤出机具有至少两个旋转螺钉，并且在输送方向上基本上由进料部件A组成的计量部分组成，用于脱水部件A的挤压部分，并且包含延迟元件和相关联的脱水孔口，其位于延迟元件相当于至少一个螺杆直径的距离，其中将热塑性聚合物B作为熔体引入挤出机的进料部分，具有混合或捏合元件的塑化部分，具有孔，其中剩余的水作为蒸汽除去，以及排出区。

3. 发明授权

US5958316A Preparation of thermoplastics 失效
标题翻译：热塑性塑料的制备
公开(公告)号：US5958316A
公开(公告)日：1999-09-28
申请号：US620308
申请日：1996-03-22
申请人： Norbert Guntherberg , Jurgen Hofmann , Hilmar Ohlig , Elmar Mailahn , Klaus Bus , Bernhard Czauderna , Sven Grabowski
发明人： Norbert Guntherberg , Jurgen Hofmann , Hilmar Ohlig , Elmar Mailahn , Klaus Bus , Bernhard Czauderna , Sven Grabowski
IPC分类号： C08J5/18 , B29B7/48 , B29B7/58 , B29C47/40 , B29C47/76 , C08J3/20 , C08J3/205 , C08L25/04 , C08L27/06 , C08L33/04 , C08L33/12 , C08L51/00 , C08L51/04 , C08L55/02 , D01F6/00
CPC分类号： B29C47/767 , B29C47/40 , B29C47/76 , C08J3/205 , C08L51/04 , C08L55/02 , B29C47/0011 , B29C47/0019 , B29C47/0023 , B29C47/003 , B29C47/762 , Y02P20/143
摘要： Toughened thermoplastics are prepared by mechanically dewatering a water-moist elastomer component A containing up to 50% by weight of residual water and mixing the resulting dewatered elastomer component A' with a thermoplastic polymer B in a mixing unit, by a process in which the elastomer component A is fed to a twin-screw extruder which has corotating screws and essentially includes, in the transport direction,one unheated metering section in which the elastomer component A is fed to the extruder by a metering means,at least one unheated squeeze section which serves for dewatering and contains at least one retarding element and in each case at least one associated dewatering orifice,at least one section in which the thermoplastic polymer B is introduced as a melt into the extruder,at least one section provided with mixing, kneading or other plasticating elements or combinations of these elements,at least one devolatilization section which is provided with at least one devolatilization orifice and in which the residual water is removed as steam, anda heated discharge zone,and in which the water emerging from the dewatering orifices is present partially or completely in the liquid phase.
摘要翻译：增韧的热塑性塑料通过机械脱水含有高达50重量％的残余水的水分弹性体组分A，并将所得脱水的弹性体组分A'与热塑性聚合物B混合在混合单元中，通过其中弹性体组分A被输送到双螺杆挤出机，该双螺杆挤出机具有同向螺钉，并且在输送方向上基本上包括一个未加热的计量部分，其中弹性体组分A通过计量装置进料到挤出机，至少一个未加热的挤压部分用于脱水并且包含至少一个延迟元件，并且在每种情况下至少一个相关联的脱水孔，至少一个部分，其中热塑性聚合物B作为熔体引入挤出机中，至少一个部分设置有混合，捏合或其它塑化元件或这些元件的组合，至少一个脱挥发段，其设置有至少一个脱挥发部分并且其中残留的水作为蒸汽除去，并且被加热的排放区，其中从脱水孔排出的水部分地或完全地存在于液相中。

4. 发明授权

US5910276A Preparation of thermoplastics 失效
标题翻译：热塑性塑料的制备
公开(公告)号：US5910276A
公开(公告)日：1999-06-08
申请号：US620310
申请日：1996-03-22
申请人： Norbert Guntherberg , Jurgen Hofmann , Hilmar Ohlig , Elmar Mailahn , Klaus Bus , Bernhard Czauderna , Sven Grabowski
发明人： Norbert Guntherberg , Jurgen Hofmann , Hilmar Ohlig , Elmar Mailahn , Klaus Bus , Bernhard Czauderna , Sven Grabowski
IPC分类号： B29B7/88 , B29B7/48 , B29B7/58 , B29C47/40 , B29C47/76 , C08G85/00 , C08J3/20 , C08J3/205 , C08L25/04 , C08L27/06 , C08L33/04 , C08L33/12 , C08L33/18 , C08L33/20 , C08L51/00 , C08L51/04 , C08L55/02 , C08L101/00
CPC分类号： B29C47/767 , B29C47/40 , B29C47/6031 , B29C47/6056 , B29C47/62 , B29C47/64 , B29C47/76 , C08J3/205 , C08L51/04 , C08L55/02 , B29C47/0011 , B29C47/0019 , B29C47/0023 , B29C47/762
摘要： Toughened thermoplastics are prepared by mechanically dewatering a water-moist elastomer component A containing up to 60% by weight of residual water and mixing the resulting dewatered elastomer component A' with a thermoplastic polymer B in an extruder, by a process in which the elastomer component A is fed to a twin-screw extruder which has corotating, in each case double-flight, screws and essentially includes, in the transport direction,a metering section in which the elastomer component A is fed to the extruder by a metering means,at least one squeeze section which serves for dewatering and contains at least one retarding element and in each case at least one associated dewatering orifice,at least one section provided with a conveying screw or at least one section provided with mixing, kneading or other plasticating elements or combinations of these elements,at least one section in which the thermoplastic polymer B is introduced as a melt into the extruder,at least one section provided with mixing, kneading or other plasticating elements or combinations of these elements,at least one devolatilization section which is provided with at least one devolatilization orifice and in which the residual water is removed as steam, anda discharge zone,the water emerging from the dewatering orifices being present partially or completely in the liquid phase, and the extruder being operated at a screw speed of from 50 to 600 min.sup.-1 and average shear rates of from 20 to 240 s.sup.-1.
摘要翻译：通过机械脱水含有高达60重量％的残余水的水分弹性体组分A并将所得脱水的弹性体组分A'与热塑性聚合物B混合在挤出机中，通过以下方法制备增韧的热塑性塑料，其中弹性体组分 A被输送到双螺杆挤出机，双螺杆挤出机在每个情况下都具有旋转螺旋，并且在输送方向上基本上包括计量部分，其中弹性体组分A通过计量装置进料到挤出机，至少一个挤压部分，其用于脱水并且包含至少一个延迟元件，并且在每种情况下包括至少一个相关联的脱水孔，设置有输送螺杆的至少一个部分或设置有混合，捏合或其它塑化元件的至少一个部分，这些元件的组合，将热塑性聚合物B作为熔体引入挤出机中的至少一个部分，至少一个部分 n具有混合，捏合或其它塑化元件或这些元素的组合，至少一个脱挥发段，其设置有至少一个脱挥发分孔，残留水作为蒸汽除去，以及排出区，从脱水孔部分或完全在液相中存在，挤出机以50至600分钟-1的螺杆速度和20至240s -1的平均剪切速率操作。

5. 发明授权

US5817266A Dewatering of water-moist graft rubber 失效
标题翻译：水湿移植橡胶脱水
公开(公告)号：US5817266A
公开(公告)日：1998-10-06
申请号：US736439
申请日：1996-10-24
申请人： Norbert Guntherberg , Jurgen Hofmann , Hilmar Ohlig , Elmar Mailahn , Friedrich Seitz , Hermann Gausepohl , Jurgen Koch , Andreas Deckers
发明人： Norbert Guntherberg , Jurgen Hofmann , Hilmar Ohlig , Elmar Mailahn , Friedrich Seitz , Hermann Gausepohl , Jurgen Koch , Andreas Deckers
IPC分类号： B29C47/00 , B29C47/78 , B29C47/40 , B29C47/76
CPC分类号： B29C47/0071 , B29C47/822 , B29C47/0011
摘要： Essentially dry materials are obtained by mechanically dewatering water-moist rubber, prepared by emulsion polymerization and precipitation, to give a compact material having a rubber content of at least 50%, by a process in which the previously dewatered rubber is fed to the feed section of a twin-screw extruder which has screws rotating in the same direction and possesses, in succession in the conveying direction, at least two back-up zones and two associated dewatering orifices, each of which may be provided with a retaining screw, and at least one kneading zone, one devolatilization zone and finally one discharge zone, which may be closed by a die lip, and the water separated off is discharged at the dewatering orifices in liquid form.
摘要翻译：通过将通过乳液聚合和沉淀制备的水分橡胶机械脱水得到基本上干燥的材料，通过将预脱水的橡胶进料到进料部分的方法得到橡胶含量为至少50％的紧凑材料的双螺杆挤出机，其具有沿相同方向旋转并沿传送方向连续地具有至少两个支撑区域和两个相关联的脱水孔的螺杆，每个可以设置有固定螺钉，并且在至少一个捏合区，一个脱挥发区和最后一个排出区，其可以被模唇封闭，并且分离的水在液体形式的脱水孔处排出。

6. 发明授权

US5631346A Thermomechanical degradation of polyolefins 失效
标题翻译：聚烯烃的热机械降解
公开(公告)号：US5631346A
公开(公告)日：1997-05-20
申请号：US545115
申请日：1995-10-19
申请人： Andreas Deckers , Albin Berger , J urgen Hofmann , Roger Klimesch , Karl-Peter Farwerck , Hilmar Ohlig
发明人： Andreas Deckers , Albin Berger , J urgen Hofmann , Roger Klimesch , Karl-Peter Farwerck , Hilmar Ohlig
IPC分类号： A61K8/31 , A61Q19/00 , B29B15/00 , C08F8/50 , C08F10/06 , C08F110/06 , C08J11/12 , C09D7/12 , C09D11/12 , C09D191/08 , C08F6/04
CPC分类号： A61K8/31 , A61Q19/00 , C08F8/50 , C08F110/06 , C08F2810/10
摘要： Polyolefins are thermomechanically degraded in a twin-screw extruder without a downstream degradation apparatus, at from 300.degree. to 550.degree. C. and from 1 to 100 bar and in average residence times of the reaction mixture of from 0.5 to 10 minutes, by a process in which the pressure in the twin-screw extruder is changed periodically or aperiodically with a fluctuation of from 0.5 to 30 bar. The novel process is particularly suitable for the degradation of polypropylene.
摘要翻译：聚烯烃在不具有下游降解装置的双螺杆挤出机中在300至550℃和1至100巴之间以及0.5至10分钟的反应混合物的平均停留时间通过一种方法进行热机械降解其中双螺杆挤出机中的压力周期性地或不定期地以0.5至30巴的波动改变。该新方法特别适用于聚丙烯的降解。

7. 发明授权

US5852113A Preparation of thermoplastics 失效
标题翻译：热塑性塑料的制备
公开(公告)号：US5852113A
公开(公告)日：1998-12-22
申请号：US620309
申请日：1996-03-22
申请人： Norbert Guntherberg , Jurgen Hofmann , Elmar Mailahn , Hilmar Ohlig , Sven Grabowski , Bernhard Czauderna , Klaus Bus
发明人： Norbert Guntherberg , Jurgen Hofmann , Elmar Mailahn , Hilmar Ohlig , Sven Grabowski , Bernhard Czauderna , Klaus Bus
IPC分类号： B29B7/48 , B29B7/58 , B29B7/88 , B29B13/06 , B29C47/76 , C08J3/20 , C08L9/00 , C08L21/00 , C08L25/04 , C08L27/06 , C08L33/04 , C08L33/12 , C08L51/00 , C08L51/04 , C08G63/48
CPC分类号： B29C47/76 , B29B13/06 , C08L51/04 , B29C47/0011 , B29C47/0019 , B29C47/0023 , B29C47/003 , B29C47/762 , B29K2055/02 , B29K2096/02
摘要： Toughened thermoplastics are prepared by mixing a water-moist elastomer component A containing up to 60% by weight of residual water with a thermoplastic polymer B and further polymers C and additives D in an extruder with mechanical dewatering of the elastomer component A, by a process in which the components A, B, C and D are fed to a twin-screw extruder which has corotating screws and essentially comprises, in the transport direction, at least one metering section in which the elastomer component A is fed to the extruder by a metering means, at least one squeeze section which serves for dewatering the component A and contains at least one retarding element and in each case at least one associated dewatering orifice, at least one section in which the thermoplastic polymer B is introduced as a melt into the extruder, at least one section provided with mixing, kneading or other plasticating elements or combinations of these elements, at least one devolatilization section which is provided with at least one devolatilization orifice and in which the residual water is removed as steam, and a discharge zone, the water emerging from the dewatering orifices being present partially or completely in the liquid phase, and the components C or D or mixtures thereof, together or separately from one another, being fed to one or more of the stated extruder sections, either together with the component A or B or mixtures thereof or separately from A and B.
摘要翻译：增韧的热塑性塑料通过将包含高达60重量％的残余水的水分润湿性组分A与热塑性聚合物B混合，并且在挤出机中将另外的聚合物C和添加剂D混合在一起，通过一种方法将该弹性体组分A机械脱水其中将组分A，B，C和D进料到具有同向旋转螺杆的双螺杆挤出机中，并且在输送方向上基本上包括至少一个计量段，其中弹性体组分A通过计量装置，至少一个挤压部分，其用于对部件A进行脱水并且包含至少一个延迟元件，并且在每种情况下包含至少一个相关联的脱水孔，至少一个部分，其中热塑性聚合物B作为熔体引入其中挤出机，至少一个具有混合，捏合或其它塑化元件或这些元件的组合的部分，至少一个脱挥发段与至少一个脱挥发孔一起使用，其中残留的水作为蒸汽除去，以及排出区，从脱水孔中排出的水部分或完全存在于液相中，以及组分C或D或其混合物，一起或彼此分开地，被供给到一个或多个所述的挤出机部分，与组分A或B一起或其混合物或与A和B分开。

8. 发明授权

US5851463A Preparation of thermoplastics 失效
标题翻译：热塑性塑料的制备
公开(公告)号：US5851463A
公开(公告)日：1998-12-22
申请号：US620259
申请日：1996-03-22
申请人： Norbert Guntherberg , Jurgen Hofmann , Elmar Mailahn , Hilmar Ohlig
发明人： Norbert Guntherberg , Jurgen Hofmann , Elmar Mailahn , Hilmar Ohlig
IPC分类号： C08J3/20 , B29B7/48 , B29B7/58 , B29C47/76 , C08L25/04 , C08L27/06 , C08L33/04 , C08L33/12 , C08L51/00 , C08L55/02 , B29C47/40
CPC分类号： B29C47/76 , C08L55/02 , B29C47/0011 , B29C47/0019 , B29C47/0023 , B29C47/003 , B29C47/762
摘要： Toughened thermoplastics are prepared by mechanically dewatering a water-moist elastomer component A containing up to 50% by weight of residual water and mixing the resulting dewatered elastomer component A' with a thermoplastic polymer B in a mixing unit, by a process in which the elastomer component A is fed to a twin-screw extruder which has corotating, in each case triple-flight, screws and essentially includes, in the transport direction, one unheated metering section in which the elastomer component A is fed to the extruder by a metering means, at least one squeeze section which serves for dewatering and contains at least one retarding element and in each case at least one associated dewatering orifice, at least one section in which the thermoplastic polymer B is introduced as a melt into the extruder, at least one section provided with mixing, kneading or other plasticating elements or combinations of these elements, at least one devolatilization section which is provided with at least one devolatilization orifice and in which the residual water is removed as steam, and unheated discharge zone, and in which the water emerging from the dewatering orifices is present partially or completely in the liquid phase.
摘要翻译：增韧的热塑性塑料通过机械脱水含有高达50重量％的残余水的水分弹性体组分A，并将所得脱水的弹性体组分A'与热塑性聚合物B混合在混合单元中，通过其中弹性体组分A被输送到双螺杆挤出机，该双螺杆挤出机在每种情况下都具有共旋转的螺旋，并且在输送方向上基本上包括一个未加热的计量部分，其中弹性体组分A通过计量装置至少一个挤压部分，其用于脱水并且包含至少一个延迟元件，并且在每种情况下包含至少一个相关联的脱水孔，至少一个部分，其中热塑性聚合物B作为熔体引入挤出机中，至少一个其具有混合，捏合或其它塑化元件或这些元素的组合，至少一个脱挥发段，其设置有至少一个脱挥发孔，其中残余水作为蒸汽和未加热排放区除去，其中从脱水孔出来的水部分地或完全地存在于液相中。

9. 发明授权

US06077911A Imidation of polymers based on esters of methacrylic acid and acrylic acid 失效
标题翻译：基于甲基丙烯酸和丙烯酸酯的聚合物的酰亚胺化
公开(公告)号：US06077911A
公开(公告)日：2000-06-20
申请号：US97117
申请日：1993-07-27
申请人： Siegmund Besecke , Andreas Deckers , Juergen Hofmann , Harald Kroeger , Hilmar Ohlig
发明人： Siegmund Besecke , Andreas Deckers , Juergen Hofmann , Harald Kroeger , Hilmar Ohlig
IPC分类号： C08F8/32 , C08F8/48 , C08F8/30
CPC分类号： C08F8/48 , C08F2800/20
摘要： Polymers essentially comprising units of the formula I ##STR1## in which R.sup.1 and R.sup.2 are hydrogen or methyl andR.sup.3 is hydrogen, C.sub.1 -C.sub.18 -alkyl, C.sub.5 -C.sub.12 -cycloalkyl, C.sub.6 -C.sub.10 -aryl or C.sub.6 -C.sub.10 -aryl-C.sub.1 -C.sub.4 -alkyl, it being possible for these radicals, with the exception of the C.sub.1 -C.sub.18 -alkyl radicals, to be up to trisubstituted by radicals selected from the group consisting of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy and halogen, are prepared by reacting a polymer based on C.sub.1 -C.sub.20 -alkyl esters of acrylic acid, methacrylic acid or mixtures thereof with ammonia or a primary amine in an extruder, by mixing the ammonia or the primary amine by mixing intensively with a melt of the polymer to be reacted, at at most 250.degree. C., before the imidation is carried out, and are used for producing thermoplastic moldings, films or fibers.
摘要翻译：聚合物基本上包含式I的单元，其中R 1和R 2是氢或甲基，R 3是氢，C 1 -C 18烷基，C 5 -C 12环烷基，C 6 -C 10 - 芳基或C 6 -C 10 - 芳基-C 1 -C 4 - 烷基，除了C 1 -C 18烷基之外，这些基团可以被选自C1-C4-烷基，C1-C4-烷氧基和卤素的基团三取代，通过在挤出机中使基于丙烯酸，甲基丙烯酸或其混合物的C1-C20烷基酯的聚合物与氨或伯胺反应，通过将聚合物的熔体与聚合物的熔体密集混合而将氨或伯胺混合为在进行酰亚胺化之前，至多250℃下反应，并用于生产热塑性模制品，薄膜或纤维。

10. 发明授权

US5595696A Plastic material, and process for the preparation thereof 失效
标题翻译：塑料材料及其制备方法
公开(公告)号：US5595696A
公开(公告)日：1997-01-21
申请号：US457380
申请日：1995-06-01
申请人： Alois Schlarb , J urgen Hofmann , Hilmar Ohlig , Peter Ittemann , Karl-Peter Farwerck
发明人： Alois Schlarb , J urgen Hofmann , Hilmar Ohlig , Peter Ittemann , Karl-Peter Farwerck
IPC分类号： B29B9/06 , C08J5/04 , C08K7/02 , C08L71/10 , B29B9/14
CPC分类号： B29B9/06 , C08J5/04 , C08K7/02 , Y10S264/53 , Y10T428/2927 , Y10T428/2938
摘要： In a fiber composite plastic composed of plastic composition and fibers, the fibers have a pronounced fiber length distribution, in particular more than 50% by weight of the fibers have a length outside the range from 0.8.times.L to 1.2.times.L, where L is the mean (weight average) fiber length, and the mean fiber length is greater than the critical fiber length of the plastic composition/fiber system.
摘要翻译：在由塑料组合物和纤维组成的纤维复合塑料中，纤维具有显着的纤维长度分布，特别是大于50重量％的纤维的长度在0.8xL至1.2xL的范围之外，其中L是平均值（重量平均）纤维长度，平均纤维长度大于塑料组合物/纤维体系的临界纤维长度。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式