摘要:
A container including at least one wall that defines an internal volume and an opening into the internal volume, the wall defining an internal surface and an external surface and being formed as a layered structure that includes a first layer, a second layer that includes paperboard and defines the external surface, and an adhesive layer disposed between the first layer and the second layer, wherein at most 0.15 grams of surface condensation forms on the wall per 300 square centimeters of the external surface during a 20-minute interval, the 20-minute interval beginning upon filling 75 percent of the internal volume with a liquid maintained at a temperature of about 32 °F while the filled container is exposed to an ambient temperature of about 73 °F and about 50 percent relative humidity.
摘要:
A packaging material with enhanced thermal-insulating performance is disclosed that includes a paper-based substrate and a thermal-insulating layer positioned on at least one surface of the substrate. The thermal-insulating layer contains void structure and is derived from a fluid thermal-insulating composition comprising: 20% to 70% weight of filler; 15% to 70% weight of organic binder; 0.5% to 10 weight of plasticizer; and 10% to 15% weight of moisture, based on the total thermo-insulating composition weight. When desired, the disclosed packaging material may further include a paper-based top layer such that the thermal-insulating layer is positioned between the paper-based substrate and the paper-based top layer. The disclosed packaging material may be used in the formation of thermo-insulating containers such as food bowls and beverage cups, as well as the sleeve components to impart thermo-insulating performance to packaging containers.
摘要:
A heat sealable barrier layer for food and beverage cartons is provided, the barrier layer including an additive material which reduces the amount of essential oil scalping from citrus products. Additionally, a carton coating layer and process is provided for reducing a coefficient of friction of stacked carton blanks. An additional embodiment of the invention provides for a paperboard substrate having reduced water vapor transmission rates, the reduction in water vapor transmission rates being attributed to one or multiple extruded layers containing an effective amount of an inorganic additive.
摘要:
An offset printing paper having a coating layer containing an inorganic surface treating agent comprising a silica sol or a colloidal silica as a main component; and an offset printing paper having a coating layer further containing an inorganic pigment, a surface sizing agent, an inorganic salt and/or an organic binder, in addition to the above inorganic surface treating agent. The offset printing paper has a high degree of whiteness, is excellent in the resistance to water absorption and ink wall forming property, and at the same time is reduced in the occurrence of problems due to sticking such as surface sticking, tear-off by sticking and the like, in the deposition of paper powder during offset printing and in the strike-through after offset printing, and further, when recycled, is reduced in the pollutant load with respect to chemical oxygen demand (COD) in discharged water. The offset printing paper can correspond to recent improvements of printing technique such as a shift towards offset printing, color printing, high-speed and high-volume printing, and automatic printing, and is thus usable also for printing a newspaper.
摘要:
A hot melt pressure sensitive adhesive composition includes ABA block copolymer(s), a midblock resin, a plasticizer, and optionally, an endblock resin. The A block is derived from styrene and B block is derived from butadiene or its hydrogenated version. The block copolymer(s) has an average styrene content of from about 15% to about 35%, an average diblock content of no less than about 20%, and an average solution viscosity of less than about 1,000 cps.
摘要:
The invention concerns a coated white paper having a fluorescence intensity higher than 55 as measured, in accordance with international standard ISO 11475: 2004, by the difference between the value of the CIE whiteness under the D65 illuminant and the value of this same CIE whiteness after the interposition of a filter that eliminates wavelengths shorter than 420 nm, and being offset-printable with no mottling defects, said coated paper comprising at least one base sheet and a printable white surface layer having a pigment composition that includes: at least some white coating pigments and at least one coating binder; at least one fluorescent whitening agent in a total quantity greater than or equal to 1% by dry weight relative to the dry weight of said pigments; at least one support substance for said whitening agent in a total quantity by dry weight greater than 2% relative to the dry weight of said pigments. The invention also concerns a method for producing this coated white paper by curtain coating said pigment composition.
摘要:
A cardboard cylinder for winding a heat-sensitive transfer image-receiving sheet having a receptive layer on one surface of a support around the cardboard cylinder, wherein an innermost surface of the cardboard cylinder is composed of a layer containing a polyolefin resin having a number average molecular weight of 12,000 or more in a proportion of at least 80% by mass based on the layer.