Abstract: An ultrahigh molecular weight polyolefin yarn of the present invention has been drawn and has a melting point that is determined as a maximum peak temperature measured by a differential scanning calorimeter (DSC) at a temperature rise rate of 20° C./min, and the melting point is higher than a melting point of the yarn before drawing. In a production method of the present invention, a drawing bath (3) that includes a hollow yarn path (14) and a jacket portion (13) in which a heated liquid circulates is placed in a drawing zone, and the yarn is heated and drawn while passing through the yarn path (14) in a non-contact manner. A drawing device of the present invention includes a feeder (1) for feeding a yarn, a drawing bath (3) for heating and drawing the yarn, and a winder (5) for winding up the drawn yarn. The drawing bath (3) includes a hollow yarn path (14) and a jacket portion (13) in which a heated liquid circulates.

Abstract: Process for making a film or pipe by compounding an uncompounded polyolefin powder having a particle size distribution such that D95 is less than 355 ?m and (D90?D10)/D50 is less than 1.2, where D95, D90, D50 and D10 are defined such that 95 wt %, 90 wt %, 50 wt % or 10 wtl % of the polymer particles have a diameter of less than D95, D90, D50 and D10 respectively, to form pellets; and then forming the pellets into a film or pipe.

Abstract: The present inventions relates to a process for producing polyethylene compositions comprising polymerizing polyethylene resins in a cascaded multi-stage reaction in which the reaction steps are performed in at least two slurry phase reactors (A) and (B) and at least one gas phase reactor (C) which are arranged in series in any order wherein in reactor (A) a low molecular weight ethylene homo- or copolymer fraction having a MFR2 of 100 to 2000 g/10 min, in reactor (B) a low molecular weight ethylene homo- or copolymer fraction having an MFR2 of 100 to 2000 g/10 min, and in reactor (C) a high molecular weight ethylene copolymer fraction are polymerized, and further comprising a compounding step after polymerization, wherein the final polyethylene composition has a MFR21 of 3 to 50 g/10 min, the melt flow rates being determined according to ISO 1133.

Abstract: The present invention discloses metallic complexes based on carbonylamino fulvene ligands; their method of preparation and their use in the oligomerisation or polymerisation of ethylene and alpha-olefins.

Abstract: The present invention provides a non-metallocene transition metal compound that is easily produced, includes a tetrazol group having the high polymerization activity and high temperature stability in the polymerization of olefins, and a catalytic composition that includes the transition metal compound and a cocatalyst. In addition, the present invention provides a method for efficiently producing an olefin homopolymer or copolymer by using the catalytic composition.

Abstract: The present invention discloses an active supported catalyst system comprising: a) one or more non-metallocene catalyst component; b) an alkylating agent; c) an activating functionalised and fluorinated support. It also discloses a method for preparing said active support and its use in the polymerisation of polar and non polar monomers.

Abstract: A multi-chamber reactor (1) comprises an outer chamber (2) and at least one inner chamber (3), wherein the at least one inner chamber (3) is formed by a reactor/liner (6), which is closed by a closure (7), in particular a septum or a disk that can be penetrated with a needle, and the outer chamber is an autoclave, wherein the autoclave is composed of an autoclave body (4) and an autoclave cover (5), wherein the autoclave cover (5) has at least one first opening (8) for a needle (9), and preferably a second opening (10), which opens into the outer chamber. Said multi-chamber reactor (1) is suited for carrying out reactions with positive or negative pressure and under complete exclusion of air and/or moisture.

Abstract: The present invention relates to new tridentate ligand compounds with imino furan units, to a method for manufacturing said compounds and to their use in the preparation of catalysts for the homopolymerization or copolymerization of ethylene and alpha-olefins.

Abstract: This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, including polymerization methods using a supported catalyst composition. In one aspect, the present invention encompasses a catalyst composition comprising the contact product of a first metallocene compound, a second metallocene compound, at least one chemically-treated solid oxide, and at least one organoaluminum compound. The new resins were characterized by useful properties in impact, tear, adhesion, sealing, extruder motor loads and pressures at comparable melt index values, and neck-in and draw-down.

Abstract: The present invention is directed to the use of aluminum alkyl activators and co-catalysts to improve the performance of chromium-based catalysts. The aluminum alkyls allow for the variable control of polymer molecular weight, control of side branching while possessing desirable productivities, and may be applied to the catalyst directly or separately to the reactor. Adding the alkyl aluminum compound directly to the reactor (in-situ) eliminates induction times.

Abstract: Substantially isotaclic propylene interpolyraets comprise (A) at least 60 weight percent (wt %) units derived from propylene, and (B) between greater than zero and 40 wt % units derived from ethylene, the propylene interpolyrner further characterized by at least one of the following properties: (1) a ratio of less than 1 measured at interpolyraer number average molecular weight (Mn), (2) a relative compositional drift of less than 50%, arid (3) propylene chain segments having a chain isotacticity triad index of at least 70 mole percent.

Abstract: The present invention relates to the field of single site catalyst systems based on aromatic BINAM diamine ligands and suitable for oligomerising or polymerising ethylene and alpha-olefins.

Abstract: Multinuclear catalyst complex comprising two or more active metal centers and at least one phenoxyimine derivative and at least one substituted cyclopentadienyl, indenyl or fluorenyl derivative, each phenoxyimine derivative being bonded to a cyclopentadienyl, indenyl or fluorenyl derivative forming a ligand framework, the cyclopentadienyl, indenyl or fluorenyl derivative being coordinated with one of the metal centers and the phenoxyimine derivative being coordinated with an active metal center other than the metal center the cyclopentadienyl, indenyl or fluorenyl derivative is coordinated with, and wherein the phenoxyimine derivative is derived from a phenoxyimine compound of the formula wherein R1 is hydrogen, alkyl, cycloalkyl, aryl or aralkyl; R2 is hydrogen, halogen, alkyl, cycloalkyl, aryl, O-alkyl or aralkyl; and R3 is alkyl, cycloalkyl, aryl or aralkyl, process for preparing a multinuclear catalyst composition comprising the steps of bonding the substituted phenoxyimine compound to a substitute

Abstract: The invention describes the preparation of long chain branching in high density polyethylene by using metallocene catalysts in the presence of ethylene.

Abstract: In a process for producing an elongated polyethylene component, such as a fiber or membrane, polyethylene powder having a molecular weight of at least 3×105 g/mol as determined by ASTM 4020 is dissolved in a solvent to produce an extrudable solution. The solution is then extruded through a die to form an elongated component and at least part of said solvent is removed from the elongated component. The polyethylene powder used in the process is produced by polymerizing ethylene in the presence of a catalyst composition comprising a Group 4 metal complex of a phenolate ether ligand.

Abstract: The present invention relates to the degassing of polymer powder, and in particular provides an interlock for use in a process for degassing of a polymer powder in a degassing vessel, which interlock comprises: a. measuring the temperature of the vapour phase resulting from a liquid-vapour separation, which vapour phase is used as a purge gas in a degassing vessel, b. comparing said measured temperature to a threshold value, and b. in the event that the measured temperature is above the threshold value then the use of the vapour as purge gas is stopped or reduced.

Abstract: Ultra-high molecular weight polyethylene has a molecular weight greater than 20×106 gm/mol as determined by ASTM 4020 or by size exclusion chromatography (SEC) and is produced by polymerizing ethylene with a catalyst composition comprising a Group 4 metal complex of a phenolate ether ligand.

Abstract: The present invention relates to the field of single site catalyst systems based on pyridine-iminophenol, pyridine-iminoalcohol or pyridine-iminoamine complexes and suitable for oligomerising or homo- or co-polymerising ethylene and alpha-olefins.

Abstract: Certain embodiments described herein are directed to polymer compositions including a protected antioxidant. In some examples, the compositions can also include a deprotected antioxidant, an unprotected antioxidant or both. Methods of producing compositions including a protected antioxidant and articles including a protected antioxidant are also described.

Abstract: A process for feeding ethylene into a polymerization system includes providing a low-pressure ethylene stream, one or more low-pressure C3 to C20 monomer streams, an optional low-pressure inert solvent/diluent stream, and one or more reactors; metering the low-pressure ethylene stream, the one or more low-pressure C3 to C20 monomer streams, and the optional low-pressure inert solvent/diluent stream; blending the metered low-pressure ethylene stream, the metered one or more low-pressure C3 to C20 monomer streams, and the metered low-pressure optional inert solvent/diluent stream to form an ethylene-carrying low-pressure blended liquid feed stream; pressurizing the ethylene-carrying low-pressure blended liquid feed stream to the polymerization system pressure with one or more high-pressure pumps to thrm an ethylene-carrying high-pressure blended reactor feed stream; and feeding the ethylene-carrying high-pressure blended reactor feed stream to the one or more reactors.

Abstract: A shaped article, suitable for in a prosthetic device, is formed of polyethylene having a molecular weight of at least 3×105 g/mol as determined by ASTM 4020, and has a yield strength greater than 20 as determined by DIN EN ISO 527. The polyethylene is produced by polymerizing ethylene in the presence of a catalyst composition comprising a Group 4 metal complex of a phenolate ether ligand.

Abstract: A new class of high modulus polypropylene multifilament fiber and/or yarn is provided. Such a multifilament fiber and/or yarn exhibits an exceptional combination of high strength and toughness with low weight and density. The inventive fibers thus permit replacement of expensive polymeric fibers within certain applications with lower cost alternatives, or replacement of high density components with such low density fibers, without sacrificing strength or durability. Such multifilament fibers are produced through melt-spinning processes and exhibit highly unique microstructures therein, including significant void volumes, interspersed and crossed voids, and nanofilament bridges within such voids. Such microstructural characteristics appear to impart the exceptional properties noted above.

Abstract: The present invention provides a process for preparing ethylene and/or propylene, comprising providing a hydrocarbon stream, comprising C4+ normal and C4+ iso-olefins; subjecting the hydrocarbon stream to an etherification process wherein the iso-olefins are converted with alcohol to an tert-alkyl ether, and retrieving a first etherification product stream; separating the first etherification product stream into a first ether-enriched stream and an iso-olefin-depleted hydrocarbon stream; converting the normal olefins in the iso-olefin-depleted hydrocarbon stream to ethylene and/or propylene with a molecular sieve-comprising catalyst and retrieving an olefinic product; decomposing the tert-alkyl ether in the ether-enriched stream into alcohol and an iso-olefin; isomerising the obtained iso-olefins to normal-olefins and retrieving an normal-olefin-enriched hydrocarbon stream; and converting the normal olefins in the normal-olefin-enriched hydrocarbon stream to ethylene and/or propylene by contacting the normal-

Abstract: A unimodal polymer having a melt index of from about 0.5 g/10 min to about 4 g/10 min, a density of equal to or greater than about 0.945 g/cc which when formed into a film displays a moisture vapor transmission rate of less than about 0.55 g-mil/100 in2 in 24 hours as determined in accordance with ASTM F 1249. A unimodal polymer having a melt index of from about 0.5 g/10 min to about 4 g/10 min, a density of equal to or greater than about 0.945 g/cc which when formed into a film displays a moisture vapor transmission rate of less than about 0.44 g-mil/100 in2 in 24 hours as determined in accordance with ASTM F 1249.

Abstract: A polymer having a melt index of from about 0.5 g/10 min to about 4.0 g/10 min and a density of equal to or greater than 0.96 g/cc which when formed into a 1-mil film displays a moisture vapor transmission rate ranging from equal to or greater than about 0 to equal to or about 20% greater than X where X=k1{?61.95377+39.52785(Mz/Mw)?8.16974(Mz/Mw)2+0.55114(Mz/Mw)3}+k2{?114.01555(?)+37.68575(Mz/Mw)(?)?2.89177(Mz/Mw)2(?)}+k3{120.37572(?)2?25.91177(Mz/Mw)(?)2}+k4{18.03254(?)3} when Mw is from about 100 kg/mol to about 180 kg/moL; Mz is from about 300 kg/mol to about 1000 kg/mol; ? is from about 0.01 S to about 0.35 s; k1 is 1 g/100 in2·day; k2 is 1 g/100 in2·day·s; k3 is 1 g/100 in2·day·s2; and k4 is 1 g/100 in2·day·s3.

Abstract: Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties and retained or improved ballistic penetration resistance properties. The composites are formed from high tenacity fibers having a tenacity of at least about 33 g/denier at ambient room temperature after being modified by a plasma treatment or by a corona treatment, without tenacity loss due to said treatments.

Abstract: A composition comprising a polyethylene wherein the composition is enriched in polymer molecules having topological variations by an enrichment factor ? and wherein the composition displays a long chain branching frequency of greater than about 0.5 long chain branches per 1000 total carbon atoms. A composition comprising an isolated Ziegler-catalyzed polyethylene having a long chain branching frequency of greater than about 0.5 long chain branches per 1000 total carbon atoms at the high molecular weight end.

Abstract: The disclosed invention relates to a process, comprising: conducting unit operations in at least two process zones in a process microchannel to treat and/or form a non-Newtonian fluid, a different unit operation being conducted in each process zone; and applying an effective amount of shear stress to the non-Newtonian fluid to reduce the viscosity of the non-Newtonian fluid in each process zone, the average shear rate in one process zone differing from the average shear rate in another process zone by a factor of at least about 1.2.

Abstract: Provided are a solid titanium catalyst component for ethylene polymerization which can polymerize ethylene at a high activity and which can provide an ethylene polymer having an excellent particle property, an ethylene polymerization catalyst and an ethylene polymerization method in which the catalyst is used. The solid titanium catalyst component (I) for ethylene polymerization according to the present invention is obtained by bringing a liquid magnesium compound (A) including a magnesium compound, an electron donor (a) having 1 to 5 carbon atoms and an electron donor (b) having 6 to 30 carbon atoms into contact with a liquid titanium compound (C) under the presence of an electron donor (B) and includes titanium, magnesium and a halogen. The ethylene polymerization catalyst of the present invention includes the component (I) and an organic metal compound catalyst component (II).

Abstract: The invention relates to a method and an apparatus for producing a film web made of thermoplastic material in which the thermoplastic material is extruded in at least one layer as plastic melt from a wide-slit nozzle in an extrusion direction and subsequently led away over at least roller, wherein tensile forces are exerted in the extrusion direction and transversely to the extrusion direction in order to stretch the film web longitudinally and transversely, wherein during application of the tensile forces in and transversely to the extrusion direction the film web has a temperature at least corresponding to the melting temperature of the same.

Abstract: The present invention relates to a process for the continuous transition between two different and compatible polymerisation catalysts.

Abstract: A method for cleaning a distributor plate in a fluidized bed polymerization reactor system according to one embodiment includes, in a first mode, operating with about a normal, baseline value of superficial gas velocity in a fluidized bed polymerization reactor system having a reactor vessel, a recycle line, and a distributor plate in the reactor vessel near an inlet of the reactor vessel. In a second mode, the superficial gas velocity is increased above the baseline value of the first mode to a level sufficient to raise the temperature of the cycle gas at the inlet above an average temperature of the cycle gas at the inlet in the first mode, and to a level sufficient to dislodge foulant from holes in the distributor plate.

Abstract: A method for producing an olefin polymer, including: polymerizing olefin monomers using the following substance (A1), the following substance (A2), and an activating agent (B): the substance (A1): a complex represented by the following general formula (1-1) or (1-2) the substance (A2): a transition metal compound represented by the following general formula (8) or a ?-oxo-type dimer of a transition metal compound represented by the general formula (8)

Abstract: The present invention provides an ethylene-based polymer composition characterized by a Comonomer Distribution Constant in the range of from greater than 45 to less than 400, wherein the composition has less than 120 total unsaturation unit/1,000,000C, and method of producing the same.

Abstract: Provided are transition metal catalytic systems for preparing ethylene homopolymers or copolymers of ethylene with ?-olefins. More specifically, provided are Group 4 transition metal catalysts, which is characterized in that the Group 4 transition metal catalyst comprises around the Group 4 transition metal a cyclopentadiene derivative, and at least one naphthoxide ligand(s) having aryl substituent(s) that function(s) as an electron donor and serve(s) to stabilize the catalyst system by surrounding an oxygen atom that links the ligand to the transition metal at 2-position, and there is no cross-linkage between the ligands; catalytic systems comprising such transition metal catalyst and aluminoxane cocatalyst or boron compound cocatalyst; and processes for preparing ethylene homopolymers or copolymers of ethylene with ?-olefins by using the same.

Abstract: The present invention relates to a prestretched polyethylene film having a longitudinal stretch ratio of from about 1:2 to about 1:4 and having a longitudinal elongation capability of at least 170%, said elongation capability comprising an elastic component. The invention also relates to a method for producing said film and to a method of wrapping compressed bulk material such as a round bale using said film, the method comprising further stretching the prestretched film and applying the film around the compressed bulk material in direct contact therewith. The film according to the invention may be used as a net replacement film and allows increasing the efficiency and the economics in the baling process by allowing faster baling, use of a lesser amount of wrapping film and/or improved protection of the product.

Abstract: Use of a metallocene compound of general formula Ind2R?MQ2 as a component of a catalyst system in producing polyethylene, wherein each Ind is the same or different and is indenyl or substituted indenyl; R? is a bridge which comprises a C1 to C4 alkylene radical, a dialkyl germanium or silicon or siloxane, alkyl phosphine or amine, which bridge is substituted or unsubstituted, M is a Group IV metal or vanadium and each Q is hydrocarbyl having 1 to 20 carbon atoms or halogen; and the ratio of meso to racemic forms of the metallocene in the catalyst system is at least 1:3. The metallocene may be supported. The ethylene may be polymerized in a reaction medium that is substantially free of any external comonomer, with comonomer being formed in situ. The produced polyethylene may have long chain branching. The produced polyethylene may be atactic.

Abstract: Process for heating a polymer-containing stream being transferred from a polymerization reactor to a separation zone or device, by passing the stream through a heater having at least one transfer line for the stream and a heater for heating the transfer line. The average particle size of the solid polymer is less than 3mm, the mass flowrate of the polymer-containing stream exiting the heater is no more than 15% greater than the mass flowrate exiting the reactor, the average velocity of the polymer-containing stream either at a point 80% along the length of the heated part of the transfer line measured from the transfer line inlet, or at the transfer line outlet, is at least 6 m/s, and the pressure drop across the transfer line per unit length is between 0.0125 bar/m and 0.1 bar/m.

Abstract: The present invention relates to a process for improving the polymerization of ethylene and one or more optional co-monomer(s) in a polymerization loop reactor characterized in that said process comprises the step of controlling the hydrogen/monomer ratio along the path of the reactor by multiple, spatially separated, feeding of hydrogen along the path of the loop reactor. In particular, the invention provides a process for controlling, and preferably narrowing, the molecular weight distribution of the produced polymer particles. In another aspect, the invention relates to a polymerization loop reactor suitable for the polymerization process of ethylene and an optional olefin co-monomer, wherein the molecular weight distribution of the produced ethylene polymer can be controlled.

Abstract: The present invention provides a highly functional polyethylene fiber excellent in the cut resistance, has a high dimensional stability at about room temperature at which products are used, has a high shrinkage rate and stress, and excellent in forming processability when processed at a low temperature much less than a melting point of a polyethylene. And the present invention provides a highly functional polyethylene fiber excellent in processability at a low temperature, wherein an intrinsic viscosity [?] is higher than or equal to 0.8 dL/g, and is not higher than 4.9 dL/g, ethylene is substantially contained as a repeating unit, and a thermal stress at 40° C. is lower than or equal to 0.05 cN/dtex, and a thermal stress at 70° C. is higher than or equal to 0.05 cN/dtex, and is not higher than 0.25 cN/dtex. Further the present invention provides strings, ropes, woven/knitted textiles, and gloves thereof.

Abstract: A process to make light olefins from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock is disclosed. The process includes contacting the feedstock in a primary reactor with a catalyst that includes a metalloaluminophosphate (MeAPO) molecular sieve to form a first reactor effluent that includes a light olefins and a heavy hydrocarbon fraction. The process further includes separating the light olefins from the heavy hydrocarbon fraction and contacting the heavy hydrocarbon fraction in a second reactor to convert the heavy hydrocarbon fraction to light olefins. The MeAPO molecular sieve is expressed by the formula HxMeyAlzPkO2 where y+z+k=1, x is less than or equal to y, y is from 0.0008 to 0.4, z is from 0.25 to 0.67, and k is from 0.2 to 0.67. The MeAPO molecular sieve has a predominantly plate crystal morphology where the width divided by the thickness is greater than or equal to 10.

Abstract: A method of treating a polymerization reactor effluent stream comprising recovering the reactor effluent stream from the polymerization reactor, flashing the reactor effluent stream to form a flash gas stream, separating the flash gas stream into a first top stream, a first bottom stream, and a side stream, wherein the side stream substantially comprises hexane, separating the first top stream into a second top stream and a second bottom stream, wherein the second bottom stream substantially comprises isobutane, and separating the second top stream into a third top stream and a third bottom stream; wherein the third top stream substantially comprises ethylene, and wherein the third bottom stream is substantially free of olefins.

Abstract: A catalyst composition comprising one or more metal complexes of a multifunctional Lewis base ligand comprising a bulky, planar, aromatic- or substituted aromatic-group and polymerization processes employing the same, especially continuous, solution polymerization of one or more ?-olefins at high catalyst efficiencies are disclosed.

Abstract: Method for transitioning from a first process for producing a first polymer to a second process for producing a second polymer. The first and second processes each include contacting a principal olefin and a comonomer with a catalyst under gas phase polymerization conditions to form the first or second polymer. The first and second processes utilize the same olefin but differ in at least one of the comonomer used and the reaction temperature at which the polymer is produced. The respective first or second polymer is then contacted with a purge gas to remove unreacted monomers. The method includes changing the flow rate of purge gas from a first rate to a second rate defined relative to a flow rate and temperature used for an earlier polymer produced using the same comonomer as the second process.

Abstract: Disclosed is an ethylenic polymer having a long characteristic relaxation time. The ethylenic polymer satisfies the following requirements: (a) the ethylenic polymer is a non-crosslinked ethylenic polymer; (b) the number of long-chain branches (LCB) per 1000 carbon atoms is 0.1-1.5 inclusive; (c) the intrinsic viscosity [?] is 1.0-3.0 dl/g inclusive; and (d) the ratio (G?/G?) of the storage modulus (G?) to the loss modulus (G?), determined by dynamic viscoelasticity measurement at 190° C. and at an angular frequency of 0.1 rad/sec is 0.8 or more and 4.0 or less.

Abstract: Techniques and systems for producing a polyolefin using reactors in series are described. Described embodiments include techniques and systems for polymerizing a monomer in a first polymerization reactor to form a first polyolefin, discharging a first slurry continuously from the first polymerization reactor to a second polymerization reactor, and discharging a second slurry continuously from the second polymerization reactor. Using continuous take-off devices disposed on either or both reactors, pressure control may be attained such that the rate of transfer between and withdrawal from both reactors are within a desired range.

Abstract: The present invention relates to a transition metal complex useful as a transition metal catalyst in the preparation of an ethylene homopolymer or a copolymer of ethylene and an ?-olefin, a catalyst composition comprising the same and a process of preparing an ethylene homopolymer or a copolymer of ethylene and an ?-olefin using the same. More particularly, it relates to a transition metal complex having a cyclopentadiene derivative and at least one phenyl oxide ligand substituted at the 2-position of phenyl with, for example, a silyl group having a C1-C30 hydrocarbon group or a C1-C20 hydrocarbon group, around a group IV transition metal, with no crosslinkage between the ligands, a catalyst composition comprising the transition metal complex and a cocatalyst selected from the group consisting of an aluminoxane and a boron compound, and a process for preparing an ethylene homopolymer or a copolymer of ethylene and an ?-olefin using the same.

Abstract: Disclosed herein are methods of injection molding at low, substantially constant melt pressures. Embodiments of the disclosed method now make possible a method of injection molding that is more energy—and cost—effective than conventional high-velocity injection molding processes. Embodiments of the disclosed method surprisingly allow for the filling of a mold cavity at low melt pressure without undesirable premature hardening of the thermoplastic material in the mold cavity and without the need for maintaining a constant temperature or heated mold cavity. Heretofore, it would not have been expected that a constant pressure method could be performed at low pressure without such premature hardening of the thermoplastic material when using an unheated mold cavity or cooled mold cavity.

Abstract: The invention relates to a single-ply protective film that is devoid of a supporting material and consists of a hot-melt adhesive. Said film can be rapidly and easily applied. The invention also relates to a method for applying said film and to a corresponding device.

Abstract: In a method of synthesizing a silicoaluminophosphate molecular sieve having 90+% CHA framework-type character, a reaction mixture is prepared comprising sources of water, silicon, aluminum, and phosphorus, as well as an organic template. In one aspect, the reaction mixture is heated at more than 10° C./hour to a crystallization temperature and is retained at the crystallization temperature or within the crystallization temperature range for a crystallization time from 16 hours to 350 hours to produce the silicoaluminophosphate molecular sieve. In another aspect, the reaction mixture is heated at less than 10° C./hour to a crystallization temperature from about 150° C. to about 225° C. and is then retained there for less than 10 hours to produce the silicoaluminophosphate molecular sieve. The molecular sieve can then be recovered from the reaction mixture and, preferably, used in a hydrocarbon conversion process, such as oxygenates to olefins.