Ainm Béarla: Polypropylene
Giorrúchán: PP,
Roisín teirmeaplaisteach a fhaightear trí pholaiméiriú próipiléine. Tá trí chumraíocht isotactic, randamach agus syndiotactic, agus tá táirgí tionsclaíocha comhdhéanta go príomha de isotactic. Cuimsíonn polapróipiléine freisin copolymers próipiléine le méideanna beaga eitiléine. De ghnáth tréshoilseach gan dath soladach, gan bholadh agus nontoxic. Mar gheall ar an struchtúr rialta agus criostalú ard, tá an pointe leá chomh hard le 167 céim C, friotaíocht teasa, agus is féidir na táirgí a steiriliú le gaile, a bhfuil a buntáistí gan íoc. Le dlús de 0.90g/cm3, is é an -plaisteach ginearálta is éadroime. Tá friotaíocht creimeadh, neart teanntachta 30MPa, neart, rigidity agus trédhearcacht níos fearr ná poileitiléin. Is é an míbhuntáiste go bhfuil droch-fhriotaíocht tionchair teocht íseal aige agus go bhfuil sé éasca le haois, ach is féidir é a shárú trí mhodhnú agus frithocsaídeoirí a chur leis.
Gnéithe:
Tá neamh-tocsaineach, gan bholadh, dlús íseal, neart, stiffness, cruas agus friotaíocht teasa níos fearr ná poileitiléin ísealbhrú, is féidir é a úsáid ag thart ar 100 céim. Tá dea-airíonna leictreacha aige agus insliú ardmhinicíochta nach gcuireann taise isteach air, ach éiríonn sé brittle ag teocht íseal , Gan chaitheamh -resistant, éasca le haois. Oiriúnach chun páirteanna meicniúla ginearálta, páirteanna resistant creimeadh agus páirteanna inslithe a dhéanamh. Is beag éifeacht atá ag tuaslagóirí orgánacha aigéadacha agus alcaile air agus is féidir iad a úsáid le haghaidh earraí boird.
modh táirgthe:
①Slurry method. Polymerization in a diluent such as hexane is the earliest industrialized and by far the most productive method. ② liquid phase bulk method. Polymerization was carried out in liquid propylene at 70 degree and 3MPa. ③ gas phase method. The polymerization is carried out under the condition that the propylene is in the gaseous state. The latter two methods do not use diluent, the process is short, and the energy consumption is low. Liquid bulk methods have now shown the advantage of coming later.
Saintréithe múnlaithe:
1. Ábhar criostalach, íseal hygroscopicity, éasca le leá agus réabfaidh, agus éasca a dhianscaoileadh tar éis -teagmháil fadtéarmach le miotail te.
2. Tá an sreabhach go maith, ach tá an raon crapadh agus luach crapadh mór, agus tá seans maith go dtarlóidh poill crapadh, dents agus dífhoirmíochtaí.
3. Tá an luas fuaraithe tapa, ba cheart don chóras doirteadh agus don chóras fuaraithe teas a scaipeadh go mall, agus aird a thabhairt ar an teocht mhúnlú a rialú. Tá sé éasca a dhíriú nuair a bhíonn an teocht ábhartha íseal agus brú ard. Nuair a bhíonn an teocht múnla níos ísle ná 50 céim, níl na codanna plaisteacha réidh, agus tá sé éasca le táthú bocht agus marcanna sreafa. Is furasta dífhoirmiúchán dlúith a tharlaíonn os cionn 90 céim
4. Ní mór tiús an bhalla plaisteacha a bheith aonfhoirmeach chun easpa gliú agus coirnéil ghéar a sheachaint chun tiúchan strus a chosc.
úsáid
Scannán polapróipiléine dé-dhírithe
Packaging materials occupy an extremely important position in plastic products. According to statistics, the world's plastics used in packaging account for about 35 percent of the total plastic consumption. my country's packaging plastics have developed rapidly, and the output has rapidly increased from 190,000 tons in 1980 to 4.65 million tons in 2003. It is expected to exceed 5.5 million tons in 2005, 7 million tons in 2010, and 9 million tons in 2015, accounting for about 5.5 million tons in 2010. More than 13 percent of the country's total packaging output.
From the product point of view, packaging films account for more than 50 percent of the total packaging plastics. my country's biaxially oriented polypropylene (BOPP) film is one of the areas with the largest consumption of PP resin. In 2003, there were 86 BOPP production enterprises (123 production lines) in my country, with a total production capacity of about 1.4 million t/a. In 2004, it reached 200. 10,000 t/a (138 production lines), and the output will exceed 1 million t. In recent years, domestic enterprises have paid attention to improving the competitiveness of their products, and have successively introduced a number of advanced BOPP production equipment, which can produce films with a width of up to 8.3m and a line speed of up to 400500m/min. For example, Zhejiang Dadongnan Group introduced German Bruckner 6 10,000 t/a production line; Guofeng Group invested 200 million yuan to introduce a 35,000 t/a production line (currently the first in Asia and the fourth in the world with 10m wide BOPP equipment); Changzhou Wujin Jinshi Group introduced 20,000 t/a in Germany Five-layer co-extrusion high-strength and ultra-thin BOPP production line; Fujian Hyundai Group introduced a 25,000 t/a production line; Baoshuo Group plans to introduce a 100,000 t/a production line. According to my country's existing BOPP film production capacity, the annual demand for PP resin is nearly 2 million t. Therefore, attention should be paid to the development of PP special materials with high line speed, elongation and transparency for BOPP films, including supporting PP materials. , propylene copolymer to adapt to the newly introduced BOPP film equipment.
Polapróipiléine modhnaithe le haghaidh gluaisteán
In 2003, my country's automobile production was more than 4.4 million units, ranking fourth in the world, with a year-on-year increase of 36.6 percent . According to the US ESM WerWide report: "In 2008, China's automobile production will exceed 6 million vehicles, and in 2015, it will surpass Japan and become the second largest in the world".
The development of the automobile industry is inseparable from the process of automobile plasticization. At present, the self-sufficiency rate of engineering plastics in my country is less than 16 percent . According to the forecast of China Engineering Plastics Association, the demand growth rate of engineering plastics in my country in 2005 was 15 percent , and in 2010, it was about 10 percent , and the demand will increase from 440,000 tons in 2000 to 1.4 million tons in 2010. The demand for engineering plastics in my country's automobile manufacturing industry is growing rapidly, and the total consumption will reach 940,000 tons by 2010 (calculated by the amount of plastics accounting for 5 percent to 10 percent of the weight of the vehicle).
Tá iomaíochas láidir ag PP i dtionscal na ngluaisteán, ach mar gheall ar a modulus íseal agus friotaíocht teasa, agus neart tionchair lag, ní féidir é a úsáid go díreach mar pháirteanna uathoibríoch. Tá na táirgí PP modhnaithe a úsáidtear i gcarranna resistant a Is féidir an fheidhmíocht theirmeach a mhéadú ó 80 céim go 145 céim 150 céim, agus is féidir leis teocht ard 7501000h a sheasamh gan dul in aois agus scoilteadh. De réir tuairiscí, is féidir glúin nua de tháirgí polapróipiléine HEHCPP le criostalacht ardtreoraithe arna seoladh ag Toyota Corporation of Japan a úsáid mar chláir agus tuairteoirí gluaisteán, ar féidir leo an costas a laghdú 30 faoin gcéad i gcomparáid le táirgí den chineál céanna a tháirgtear le TPO mar amhábhair. Úsáidtear PP modhnaithe le haghaidh gluaisteán. Tá ionchais forbartha an-leathan ag gabhálais.
Polapróipiléin le haghaidh Fearais Tí
In recent years, my country's household appliance industry has developed rapidly, with many varieties and large output. In 2003, my country produced 18.5 million refrigerators, 42 million air conditioners, 17 million washing machines, and 35 million microwave ovens. According to the "2004-2006 China Urban Home Theater Market Research and Consultation Report", it is expected that my country's home theater system market will reach 6.9 million units in the next three years. In addition, various small household appliances also have a huge potential market, which is an excellent business opportunity for modified PP. At present, some plastic raw material manufacturers in my country have developed special materials for washing machines, such as PP 1947 series, K7726 series, etc., which are welcomed by washing machine manufacturers. Therefore, in the next few years, the development of PP special materials for household appliances should be increased to meet the changing needs of the market.
Polapróipiléin le haghaidh píopaí.
Sa bhliain 2003, sháraigh an t-aschur iomlán náisiúnta de phíobáin phlaisteacha 1.8 milliún tonna, méadú de 23 faoin gcéad de réir bliana ar {4}. Sna laethanta tosaigh, baineadh úsáid as píopaí PP go príomha mar phíobáin uisce talmhaíochta, ach theip ar an margadh a oscailt mar gheall ar roinnt fadhbanna i bhfeidhmíocht na dtáirgí luath (neart tionchair agus droch-fhriotaíocht ag dul in aois). Le tabhairt isteach na teicneolaíochta chun cinn eachtrach ag Shanghai Plastic Building Materials Factory, tá na píopaí le haghaidh iompar uisce fuar agus te a tháirgtear trí ábhair PP-R allmhairithe aitheanta ag an margadh. Faoi láthair, tá go leor déantúsóirí tar éis línte táirgeachta píopa PP-R a thógáil, agus tá an praghas méadaithe freisin ag an bpraghas 20,000-30,000 yuan/t sa chéad chéim den táirgeadh. ag titim i gcónaí, ach tá sciar den mhargadh de phíobáin PP-R sa mhargadh píopaí plaisteacha fós an-íseal. De réir tuairiscí, tá bearna áirithe fós idir ábhair PP-R intíre agus ábhair allmhairithe, agus ní mór an caighdeán a fheabhsú agus a fheabhsú. De réir tuairiscí, tá grád nua forbartha ag an gCóiré Theas de chopolaiméir randamach polapróipiléine PP-R 112 le haghaidh píopaí soláthair uisce ardbhrú. Is féidir na píopaí a tháirgtear ag an ngrád seo a úsáid ar feadh 50 bliain faoin stát brú ultra-ard de 20 céim C agus 11.2 MPa.
Plastic pipes are one of the key products for the promotion and application of chemical building materials in my country. The Ministry of Construction issued a "Notice on Strengthening the Production Management and Promotion and Application of Copolymerized Polypropylene (PP-R, PP-B) Pipes" in 2001, requiring relevant departments Work together to do a good job from raw materials, processing, quality to pipe use and installation, and strictly control the quality of PP pipes, so as to better do a good job in the production, application and promotion of PP pipes in my country.
Polapróipiléine an-trédhearcach
With the continuous improvement of people's living standards, it will inevitably bring about different requirements and improvements in various aspects such as culture, entertainment, food, medical care, materials, and room decoration. Many items in the market are increasingly using transparent materials. Therefore, the development of transparent PP special materials is a good development trend, especially the PP special materials with high transparency, good fluidity and fast forming are required in order to be designed and processed into popular PP products. Transparent PP is more characteristic than ordinary PP, PVC, PET, PS, and has more advantages and development prospects.
In recent years, the foreign transparent PP market has grown rapidly. For example, South Korea's LG introduced transparent PP to the market as a substitute for PET; some German companies replaced PVC with transparent PP; the growth rate of transparent PP products in the United States was 7 percent higher than that of ordinary PP products. 9 percent ; In recent years, the annual consumption of PP nucleating transparent agent in Japan is about 2000t. If the addition amount is 0.25 percent , the annual output of transparent PP material in Japan can reach more than 800,000t. According to the introduction of Japan Physical and Chemical Co., Ltd., Japan's transparent PP special materials are used in microwave cookers and furniture with the largest consumption. It is estimated that the demand for transparent PP special materials in foreign markets in 2005 is about 5 million to 5.5 million tons. At present, there is a big gap between domestic transparent PP special materials and foreign countries, and the production and application of transparent PP resin and its products still need to be strengthened.
Polaistiréin PVC Polaistiréin Polaistiréin Cad é an difríocht PE poileitiléin
Nuair a dhéantar é a dhílí, bíonn Bó Finne bán, tréshoilseach agus waxy; mothaíonn an táirge go réidh nuair a chuirtear i dteagmháil léi de láimh, solúbtha agus solúbtha; is féidir é a shíneadh beagán. Go ginearálta, tá poileitiléin ísealdlúis níos boige agus tá trédhearcacht níos fearr aige; tá poileitiléin ard-dlúis níos deacra.
Táirgí coitianta: málaí láimhe, píopaí uisce, drumaí ola, buidéil dí (buidéil bainne cailciam), riachtanais laethúla, etc.
Polapróipiléine PP
Bán tréshoilseach, céiriúil nuair nach bhfuil sé lí; níos éadroime ná poileitiléin. Tá an trédhearcacht níos fearr freisin ná an poileitiléin, agus tá sé níos deacra ná poileitiléin.
Táirgí coitianta: báisíní, bairillí, troscán, scannáin, málaí fite, caipíní buidéil, tuairteoirí gluaisteán, etc.
polaistiréin PS
Trédhearcach nuair nach bhfuil sé dílí. Nuair a dhéantar an táirge a thit nó a chnagadh, tá sé cosúil le fuaim mhiotal brioscach, dea-luster agus trédhearcacht, cosúil le gloine, brittle agus éasca le briseadh, agus is féidir dromchla an táirge a scratáil le hingne finger. Tá polaistiréin modhnaithe teimhneach.
Táirgí coitianta: stáiseanóireacht, cupáin, coimeádáin bia, sliogáin fearais tí, gabhálais leictreacha, etc.
Clóiríd polaivinile PVC
Tá an dath nádúrtha buí éadrom, tréshoilseach agus lonracha. Is fearr an trédhearcacht ná an trédhearcacht a bhaineann le poileitiléin agus polaistiréin, ach níos measa ná polaistiréin. De réir dáileog na mbreiseán, is féidir é a roinnt ina chlóiríd polaivinile bog agus crua. Tá táirgí bog solúbtha agus solúbtha, agus braitheann siad greamaitheach. Tá cruas táirgí crua níos airde ná cruas-poileitiléine ísealdlúis. , cé go bhfuil sé níos ísle ná polapróipiléine, tarlaíonn whitening ag an bpointe infhillte.
Táirgí coitianta: plátaí, píopaí, boinn, bréagáin, doirse agus fuinneoga, truaillí sreinge, stáiseanóireacht, etc.
poileitiléin teirephthalate PET
Tá an trédhearcacht an-mhaith, tá an neart agus an toughness níos fearr ná sin de polaistiréin agus clóiríd polaivinile, agus níl sé éasca a bhriseadh.
Táirgí coitianta: go minic táirgí buidéal cosúil le cola, buidéil uisce mianraí, etc.
