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- ½ð±Ò: 7082.5
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±¾ÎÄÊ×ÏȲÉÓÃÈܽº-Äý½º·¨ÖƱ¸Óлú¸ÄÐÔÄÉÃ×¶þÑõ»¯¹è(mSiO2)£¬È»ºóÀûÓÃÖÆ±¸ºÃµÄÄÉÃ×¶þÑõ»¯¹è¸ÄÐԷϽº·Û£¨£×£Ò£Ð£©¡£Ì½ÌÖÁ˷Ͻº·Û(WRP) ºÍ»ØÊÕ¾ÛÒÒÏ©(RPE) ¹²»ì¸ÄÐÔʱ¸ÄÐÔ½º·ÛµÄÖÊÁ¿·ÖÊý¡¢ÄÉÃ×¶þÑõ»¯¹èÖÊÁ¿·ÖÊýÒÔ¼°ÏàÈݼÁPOE¶ÔRPE/ WRP ¹²»ìÌåϵÁ¦Ñ§ÐÔÄܵÄÓ°Ï졣ʵÑé½á¹û±íÃ÷£¬Ëá´ß»¯ÄÉÃ×¶þÑõ»¯¹è¸ÄÐÔ½º·Û¶Ô»ØÊÕ¾ÛÒÒÏ©(RPE)Á¦Ñ§ÐÔÄÜ×îºÃ¡£ In this paper, first, the organically modified nano-silica (mSiO2) was prepared by sol - gel method, and then as-prepared nano-silica was used to modify WRP. When mixed WRP and RPE was used to modify, the effect of mass fraction of modified rubber powder and nano-silica, and compatibilizer POE on mechanical properties of RPE/ WRP blended system was discussed. The experimental results showed that nano-silica modified with acid catalyst for the recovery of polyethylene powder (RPE) indicated the best mechanical properties. |
2Â¥2009-05-26 22:23:23
jiaql
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µ±ÄÉÃ×SiO2Õ¼¸ÄÐÔ½º·ÛÖÊÁ¿·ÖÊý5%ʱ£¬ÊÔÑùÁ¦Ñ§ÐÔÄÜ×îºÃ£¬Óëδ¸ÄÐÔ½º·ÛÊÔÑùÏà±È£¬ÀÉìÇ¿¶ÈÌá¸ß37%£¬¶ÏÁÑÉ쳤ÂÊÔö´ó198%¡£Ìí¼Ó5%POEºó£¬ÀÉìÇ¿¶ÈºÍ¶ÏÁÑÉ쳤Âʶ¼Ìá¸ß¡£Ì½ÌÖÁËÈÈËÜÐÔµ¯ÐÔÌåABS£¬³¬Ï¸»¬Ê¯·Û¶ÔHDPEÁ¦Ñ§ÐÔÄܵÄÓ°Ïì¡£ When the modified nano-SiO2 powder accounted for 5% mass fraction of modified rubber powder, the best mechanical properties were attained. Compared with unmodified powder sample, 37% of the tensile strength and 198% of elongation at break increased respectively. Addition of 5% POE increased both the tensile strength and elongation at break. Effect of thermoplastic elastomer ABS and ultra-fine talc on mechanical properties of HDPE was discussed. |
3Â¥2009-05-26 22:34:52
jiaql
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ʵÑé½á¹û±íÃ÷£¬µ±ABSÖÊÁ¿·ÖÊýΪ20%ʱ£¬ABS/HDPEÊÔÑùÁ¦Ñ§ÐÔÄÜ×îºÃ£¬ÓëHDPEÏà±È£¬ÀÉìÇ¿¶ÈÌá¸ßÁË4%£¬¶ÏÁÑÉ쳤ÂÊÔö´óÁË112%£»µ±»¬Ê¯·ÛÖÊÁ¿·ÖÊýΪ3%ʱ£¬ÊÔÑùÁ¦Ñ§ÐÔÄÜ×îºÃ£¬ÓëHDPEÏà±È£¬ÀÉìÇ¿¶ÈÌá¸ßÁË12%£¬¶ÏÁÑÉ쳤ÂÊÔö¼ÓÁË59%¡£Ì½ÌÖÁË×èȼĸÁ϶ÔHDPE×èȼÐÔÄܺÍÁ¦Ñ§ÐÔÄܵÄÓ°Ï졣ʵÑé½á¹û±íÃ÷£¬µ±×èȼĸÁÏÖÊÁ¿·ÖÊýΪ25%ʱ£¬ÊÔÑùÑõÖ¸ÊýΪ26.1£¬´ïµ½ÁË×èȼҪÇó£¬Á¦Ñ§ÐÔÄÜËäÈ»ÓÐϽµ£¬µ«»¹Âú×ã²ÄÁÏÁ¦Ñ§ÒªÇó¡£ The experimental results showed that, when the ABS mass fraction reached 20%, ABS / HDPE indicated the best mechanical properties and compared with HDPE the tensile strength and the elongation at break increased by 4% and 112% respectively. when the powder mass fraction reached 3%, mechanical properties of the sample was the best and compared with HDPE, the tensile strength increased and the elongation increased by 12% and 59% respectively. Flame-retardant masterbatch of flame-retardant properties of HDPE and mechanical properties were discussed. The experimental results showed that, when the mass fraction of flame-retardant masterbatch reached 25%, the sample oxygen index was 26.1and reached the fire-retardant requirements and mechanical properties complied to the mechanical requirements although there was a downward. |
4Â¥2009-05-26 22:47:53
jiaql
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frack975(½ð±Ò+30,VIP+0):·ÒëµÄºÜºÃ лл°¡ °ïÎÒ°ÑÁíÒ»¾ä»°·ÒëÏÂ Õæ²»ºÃÒâ˼°¡ 5-28 09:48
frack975(½ð±Ò+30,VIP+0):·ÒëµÄºÜºÃ лл°¡ °ïÎÒ°ÑÁíÒ»¾ä»°·ÒëÏÂ Õæ²»ºÃÒâ˼°¡ 5-28 09:48
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È«²¿»ã×ÜÆðÀ´£¬·ÇȨÍþ£¬½ö¹©²Î¿¼ In this paper, first, the organically modified nano-silica (mSiO2) was prepared by sol - gel method, and then as-prepared nano-silica was used to modify WRP. When mixed WRP and RPE was used to modify, the effect of mass fraction of modified rubber powder and nano-silica, and compatibilizer POE on mechanical properties of RPE/ WRP blended system was discussed. The experimental results showed that nano-silica modified with acid catalyst for the recovery of polyethylene powder (RPE) indicated the best mechanical properties. When the modified nano-SiO2 powder accounted for 5% mass fraction of modified rubber powder, the best mechanical properties were attained. Compared with unmodified powder sample, 37% of the tensile strength and 198% of elongation at break increased respectively. Addition of 5% POE increased both the tensile strength and elongation at break. Effect of thermoplastic elastomer ABS and ultra-fine talc on mechanical properties of HDPE was discussed. The experimental results showed that, when the ABS mass fraction reached 20%, ABS / HDPE indicated the best mechanical properties and compared with HDPE the tensile strength and the elongation at break increased by 4% and 112% respectively. when the powder mass fraction reached 3%, mechanical properties of the sample was the best and compared with HDPE, the tensile strength increased and the elongation increased by 12% and 59% respectively. Flame-retardant masterbatch of flame-retardant properties of HDPE and mechanical properties were discussed. The experimental results showed that, when the mass fraction of flame-retardant masterbatch reached 25%, the sample oxygen index was 26.1and reached the fire-retardant requirements and mechanical properties complied to the mechanical requirements although there was a downward. |
5Â¥2009-05-26 22:50:47
frack975
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6Â¥2009-05-28 09:46:56
longhua7085
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frack975(½ð±Ò+10,VIP+0):ʵ¼ÊÉÏÎÒÊÇ¶Ô jiaql ˵µÄ ²»ºÃÒâ˼ 5-28 14:33
frack975(½ð±Ò+10,VIP+0):ʵ¼ÊÉÏÎÒÊÇ¶Ô jiaql ˵µÄ ²»ºÃÒâ˼ 5-28 14:33
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7Â¥2009-05-28 09:51:15
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