Abstract: Processes for preparing a polymer polyol (PMPO) in which a base polyol is continuously produced in a continuous base polyol reactor, the base polyol is continuously discharged from the continuous base polyol reactor; the base polyol is continuously introduced to a continuous PMPO reactor, which is different from the continuous base polyol reactor, and PMPO is continuously removed from the PMPO reactor. Production plant configured to carry out such processes are also described.

Abstract: Disclosed are polymer polyol compositions that include an amino diphenylamine, optionally in combination with other antioxidants, such as phenolic antioxidants, as well the use of such polymer polyol compositions in the production of flexible polyurethane foams. The polyurethane foam includes a reaction product of a polyisocyanate component and an isocyanate-reactive component that includes the polymer polyol composition.

Abstract: Oligomers that contain an ethylenically unsaturated group, a silane group, and an aspartate group and/or hydantoin group are described. Also disclosed are methods for producing and using such compounds, such as their use in coating compositions, such as coating compositions suitable for application to optical glass fiber substrates.

Abstract: Provided is a system to generate a machine learning model to provide a predicted cost associated with shipping a shipment of freight from an origin of the shipment of freight to a destination of the shipment of freight based on a training dataset and a predicted distance and to determine the predicted cost associated with shipping a specified shipment of freight from the origin of the specified shipment of freight to the destination of the specified shipment of freight using the machine learning model. The training dataset includes data associated with shipments of freight conducted during a first time interval and data associated with shipments of freight conducted during a second time interval. The first time interval is at least a year and the second time interval is shorter than the first time interval. A computer implemented method and computer program product are also provided.

Abstract: Isopropylidenediphenol-based polyether polyols, processes for their production, foams produced using such isopropylidenediphenol-based polyether polyols, such as PUR-PIR rigid foams, as well as to processes for producing such foams. The polyether polyols have an internal block comprising polymerized ethylene oxide moieties and an external cap comprising polymerized propylene oxide moieties.

Abstract: Disclosed are polyurethane-foam forming compositions, rigid polyurethane foams and methods for their production, as well as to composite articles comprising such foams sandwiched between facer substrates, including use of such composite elements for side-wall and/or roof insulating elements for refrigerated tractor trailers. The rigid polyurethane foams are produced from an isocyanate-reactive composition comprising: (1) a polyol blend; (2) a hydrochlorofluoroolefin; and (3) a tertiary amine catalyst composition.

Abstract: A drug injection device consists of a body, a cap, a striker, a spin wheel, a button, a spring, an ampoule, and optionally a needle. Each of the body, the cap, the striker, the spin wheel and the button is a molded plastic part, made out of mostly polycarbonate, which slide, snap, screw or rest in place, without the use of adhesives or fasteners. Also disclosed is a system for recycling a drug injection device having molded plastic parts made from mostly polycarbonates, comprising disassembling the drug injection device, separating the molded plastic parts from all other parts, and reprocessing the molded plastic parts together into recycled resin, which may be through regrinding, melting, and pelletizing.

Abstract: Disclosed are amine-containing polyethers that are the reaction product of a reaction mixture comprising: (a) a polyether of the formula A(OZOX)n where (i) A is a polyether derived from a hydroxyl-functional polyether having a hydroxyl functionality (y) of 1 to 8 and an OH number of 20 to 400 mg KOH/g, wherein the free hydroxyl functionality of A is y-m, wherein m is a number having a value of 1 to 7; (ii) Z is a divalent residue comprising an alkylene oxide moiety; (iii) X is an amine reactive moiety; and (iv) n is a number having a value of 1 to 7; and (b) an amino diphenylamine. Polyol compositions that include an amine-containing polyether polyol are also described, a polymer polyol compositions, polyurethane foams and methods of producing flexible polyurethane foams.

Abstract: A method for adjusting a blend composition includes: receiving target blend composition data associated with a target blend composition having a target blend property; controlling blend component flow streams to cause blend components to be added to a blend tank to form a blend composition; determining a property of the blend composition; comparing the property of the blend composition with the target blend property; generating control flow instructions based on the property of the blend composition and a machine learning analysis of historical blend data; and adjusting a blend component flow stream of the blend component flow streams to form a modified blend composition in the blend tank.

Abstract: Polyol blends, isocyanate-reactive compositions, polyurethane foam-forming compositions, methods of producing polyurethane foams, polyurethane foams produced from such compositions and made by such methods. The polyol blends, isocyanate-reactive compositions and polyurethane foam-forming compositions include an isopropylidenediphenol-based polyether polyol in combination with another polyol.

Abstract: Isocyanate-reactive compositions that include a hydrofluoroolefin blowing agent, polyurethane foam-forming compositions, as well as spray-applied polyurethane foams formed therefrom that can provide structural support to wall structures and can also exhibit ASTM E84-16 Class A flame spread and smoke development characteristics at a foam thickness of 4 inches.

Abstract: A polyisocyanate resin can include from 25 wt % to 50 wt % of a first cycloaliphatic polyisocyanate and from 50 wt % to 75 wt % of a flexibilizing component based on a total weight of the polyisocyanate resin. The flexibilizing component can include a linear aliphatic polyisocyanate having a number average isocyanate functionality of from 2 to 3 based on gel permeation chromatography and an isocyanate-terminated reaction product of a second cycloaliphatic polyisocyanate and an isocyanate-reactive material, the reaction product having a Tg of less than ?30° C. based on a Differential Scanning calorimetry (2nd Heating) temperature scan from ?100° ° C. to 150° C. using 20° C./min heating and cooling ramps. The isocyanate-terminated reaction product and the linear aliphatic polyisocyanate can be present at a weight ratio of from 0.5 to 2.5.

Abstract: Provided is an adhesive comprising a reaction product of (A) an aliphatic polyisocyanate having a molecular weight of from 132 to 700; and (B) a polyaspartate comprising a reaction product of (B1) a polyamine having a molecular weight of at least 240, and (B2) a Michael addition receptor, wherein viscosity @ 23° C. according to ASTM D1084-16, remains below 150 cps after four hours, and wherein the adhesive develops an acceptable bond strength to a substrate, defined as having a minimum of 150 g/in. measured @ 23° C. according to ASTM D 1876-01 or substrate tear, in less than five days after the substrate is laminated with the adhesive. The inventive flexible packaging adhesives are free of aromatic amines and may find use in multilayer laminates for a variety of industries, including the food processing, cosmetics, and detergents industries.

Abstract: Provided is an adhesive comprising a reaction product of (A1) an aliphatic isocyanate having an NCO group content of 18 to 64 and (A2) a polyol or polyamine having a molecular weight of from 400 to 4000; and (B) a polyaspartate compound, wherein viscosity of the adhesive, as measured @ 23° C. according to ASTM D4212-16, remains below 60 seconds for after four hours, and wherein the adhesive develops an acceptable bond strength to a substrate, defined as having a minimum of 150 g/in. measured @ 23° C. according to ASTM D 1876-01 or substrate tear, in less than or equal to five days after the substrate is laminated with the adhesive. The adhesives are free of aromatic amines and may find use in multi-layered laminated films for the production of flexible packaging useful in a variety of industries, including the food processing, cosmetics, and detergents industries.

Abstract: Polymer polyols (“PMPOs”), processes for their production, and the use of such PMPOs, particularly in the production of flexible polyurethane foams. The PMPOs are produced using an ethylenically unsaturated composition that includes a crosslinker that results in crosslinks in the PMPO polymer particles that may decompose when exposed to flame temperatures. The PMPOs is capable of providing a flexible polyurethane foam that may exhibit combustibility resistance properties.

Abstract: An assembly comprises a housing, a bezel and a lens, or a housing heat sink, a housing rim, a bezel and a lens, wherein the housing or the housing heat sink comprises a first surface and the bezel or the housing rim comprises a second surface, a portion of a first surface of the housing or housing heat sink is molded to a portion of the second surface forming an interface surface, the interface surface having an interface angle that does not deviate more than 90 degrees, measured from a central axis perpendicular to the bezel and the housing around which the bezel and the housing are molded, for all interface angles about the central axis.

Abstract: HCFO-containing isocyanate-reactive compositions, foam-forming compositions containing such isocyanate-reactive compositions, rigid PUR-PIR foams made using such foam-forming compositions, and methods for producing such foams, including use of such foams as insulation in discontinuous foam panel applications. The isocyanate-reactive composition includes a polyol blend, a blowing agent composition, and a tertiary amine catalyst. The polyol blend includes: (1) an aromatic polyester polyol having a functionality of 1.5 to less than 2.5 and an OH number of 150 to 360 mg KOH/g; (2) an aromatic polyester polyol having a functionality of at least 2.5 and an OH number greater than 360 mg KOH/g, which is present in an amount of at least 10% by weight, based on the total weight of the aromatic polyester polyol in the polyol blend; and (3) an amine-initiated polyether polyol having an OH number of at least 500 mg KOH/g and a functionality of 2.5 to 4.

Abstract: Processes for preparing a polymer polyol (PMPO) in which a base polyol is continuously produced in a continuous base polyol reactor, the base polyol is continuously discharged from the continuous base polyol reactor; the base polyol is continuously introduced to a continuous PMPO reactor, which is different from the continuous base polyol reactor, and PMPO is continuously removed from the PMPO reactor. Production plant configured to carry out such processes are also described.

Abstract: Isocyanate-reactive compositions, rigid polyurethane foam-forming compositions, rigid polyurethane foams, and methods for their production, and composite articles having a rigid polyurethane foam sandwiched between metal facer substrates. The rigid polyurethane foams are produced from an isocyanate-reactive composition comprising: (1) a polyol blend that includes an amine-initiated polyether polyol; (2) a hydrochlorofluoroolefin (“HCFO”); and (3) a catalyst that includes an arylalkyl tertiary amine, an aryl tertiary amine, or a mixture thereof. The foam can have excellent adhesion to metal substrates.

Abstract: Foam wall structures and methods for making them are described. The wall structures include a frame, a foam panel overlying a front surface of the frame, and a polyurethane foam layer disposed in a cavity of the wall structure. The polyurethane foam layer has a density, as determined by ASTM D1622-14, of at least 44 kg/m3(2.75 lb/ft3) and exhibits ASTM E84-16 Class A flame spread and smoke development characteristics. The polyurethane foam layer is the cured reaction product of a polyurethane foam-forming composition that includes a polyisocyanate, an aromatic polyester polyol having a functionality of greater than 2.5 and an OH number of at least 300 mg KOH/g, which is present in an amount of at least 50% by weight, based on the total weight of the polyurethane foam-forming composition less the weight of the polyisocyanate, a catalyst, and a blowing agent composition. The blowing agent composition includes water and a hydrofluoroolefin.