WO2001007532A1 - De-icing composition and method - Google Patents

De-icing composition and method Download PDF

Info

Publication number
WO2001007532A1
WO2001007532A1 PCT/US2000/020218 US0020218W WO0107532A1 WO 2001007532 A1 WO2001007532 A1 WO 2001007532A1 US 0020218 W US0020218 W US 0020218W WO 0107532 A1 WO0107532 A1 WO 0107532A1
Authority
WO
WIPO (PCT)
Prior art keywords
percent
composition
sugar
weight
approximately
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2000/020218
Other languages
English (en)
French (fr)
Inventor
Stephen C. Bytnar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Archer Daniels Midland Co
Original Assignee
Minnesota Corn Processors LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to AT00950661T priority Critical patent/ATE522587T1/de
Priority to EP00950661A priority patent/EP1238037B1/en
Priority to AU63735/00A priority patent/AU6373500A/en
Priority to CA002379106A priority patent/CA2379106C/en
Priority to JP2001512805A priority patent/JP4868674B2/ja
Application filed by Minnesota Corn Processors LLC filed Critical Minnesota Corn Processors LLC
Publication of WO2001007532A1 publication Critical patent/WO2001007532A1/en
Priority to US10/025,210 priority patent/US6468442B2/en
Priority to IS6240A priority patent/IS2899B/is
Anticipated expiration legal-status Critical
Priority to US10/236,043 priority patent/US6852247B2/en
Priority to US10/260,225 priority patent/US20030107022A1/en
Priority to US10/643,960 priority patent/US20050001198A1/en
Priority to US11/818,410 priority patent/US7563386B2/en
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
    • C09K3/185—Thawing materials
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
    • E01H10/007—Mobile apparatus specially adapted for preparing or applying liquid or semi-liquid thawing material or spreading granular material on wintry roads

Definitions

  • This invention relates to a de-icing composition and method for reducing the buildup
  • Chloride salts have been applied on roads to inhibit the accumulation of snow and
  • chloride salts may be applied to the surface of the road directly in
  • composition having chloride salts to treat the roads and help reduce slipping on the road.
  • solution remains high enough, the solution remains in a liquid form and is useful as a de-icer.
  • Chloride salts and brine solutions have numerous problems as road de-icers. A first
  • the freezing point of such de-icing compositions are typically not as low as may
  • compositions may contain a higher level of insoluble material than is
  • de-icing compositions may also contain materials that may be
  • compositions contain a
  • solubles de-icing compositions have a pH around 3.0. Because a neutral pH (7.0) or a pH as close to neutral as possible is desirable for the environment, such steepwater solubles de-
  • icing compositions may harm the environment.
  • Such a de-icing composition and method preferably solves the above
  • sugar concentrations as low as 5% may be useful as de-icing
  • Another embodiment may be useful as de-icing agents when mixed with a brine solution.
  • composition of the invention comprises adding a brine solution to the sugar-water
  • the brine mixture and the sugar-water mixture may be combined in varying
  • Figure 1 is a graph showing phase data for embodiments of the invention compared
  • Figure 2 is a chart depicting the melting capacity for various embodiments of the
  • composition of the invention compared to prior art blends.
  • FIG. 3 is a chart that shows phase data for various embodiments of the invention.
  • Figure 4 is a chart showing the ice penetration for rock salt compared to rock salt
  • Figure 5 is a graph showing the percent increase in ice penetration of rock salt
  • Figure 6 is a chart showing the reduced corrosion caused by one composition of the
  • Figure 7 is a second chart showing the reduced corrosion caused by one
  • composition of the invention over prior art blends.
  • Figure 8 is a graph showing the viscosity of a composition of the invention
  • Figure 9 is a graph of the friction value for a dry road compared to a road treated
  • icing or de-icing agent on surfaces, such as outdoor surfaces, or for pre-wetting of solids or
  • compositions described below may be applied to surfaces at varying rates as de-icing
  • the composition contains a sweetwater
  • composition of the invention comprises
  • composition of the invention may be combined in varying amounts to form the composition of the invention.
  • corrosion inhibitor may also be added to the composition.
  • solubles mixture which may function partially as a corrosion inhibitor, may be added to the
  • compositions may contain sweetwater and, optionally, any one
  • composition of the invention may, in one embodiment, contain any combination of the
  • the invention may contain a sugar solution (sweetwater) with as little as 5%
  • Such a mixture may exhibit desirable corrosion characteristics and a
  • sweetwater may be mixed with a brine solution such that the mixture of sweetwater and
  • brine contains as little as 1 % sugar solids, and the mixture may suffice as a de-icing agent
  • corn sugar cane sugar, beet sugar, sorghum sugar, maple sugar, wheat sugar,
  • compositions may contain a sugar-water mixture, or, in another embodiment, the composition
  • the composition may contain a de-icing agent that is a sugar solid.
  • the de-icing agent that is a sugar solid.
  • sugar solid may contain approximately 2-60 percent by weight of a monosaccharide.
  • the sugar solid may contain about 6-39 percent by weight of the sugar solid
  • the sugar solid may contain about 14 percent by weight of the sugar solid
  • the sugar solid may be polymers of dextrose.
  • One embodiment of the invention uses 25 Dextrose Equivalent (D.E.) corn syrup
  • suitable 25 D.E. corn syrup has the following profile:
  • the 25 D.E. corn syrup may be diluted with water to about 40 percent solids, although any
  • D.E. corn syrup diluted to 40 percent solids may then be mixed with other substances, in
  • chloride salts in varying ratios to produce a mixture with desired melting
  • the mixture may be a significant number for performance of the mixtures of the invention.
  • Another embodiment of the invention uses 36 D.E. corn syrup (CSU) in the
  • One suitable 36 D.E. corn syrup has the following carbohydrate profile on a
  • the corn syrup or other sweetwater of the invention may be used in the sweetwater.
  • the corn syrup or other sweetwater of the invention may be used in the sweetwater.
  • sweetwater may have a sugar solids percent of about 15-90 percent.
  • the corn syrup or sweetwater may have 15-80 percent sugar solids, 30-75
  • corn syrup used within the scope of the invention may be made by any combination
  • a sugar profile of the corn syrup may be about 2-60 percent
  • the sugar profile of the corn syrup may be about 14
  • the sugar solid contains approximately 6-
  • monosaccharide or approximately 14 percent by weight of the monosaccharide.
  • chloride calcium chloride, sodium chloride, or potassium chloride may be added to the
  • sweetwater Such salts may be added in widely varying quantities.
  • a sweetwater such salts may be added in widely varying quantities.
  • brine solution may be added to the sweetwater of the composition.
  • the brine mixture may contain approximately 15-70 percent salt, 15-60
  • rock salt rock salt, sand, cinders, abrasives, gravel, urea, calcium magnesium acetate
  • CMA calcium acetate
  • KAC potassium acetate
  • additives such as lactic acid, glycerol, citric acid, or acetic acid may also be used.
  • xanthum gum may be used to enhance the viscosity profile of the embodiments of the invention. It should be noted that a mixture of the invention
  • containing CMA may form a product that is more environmentally friendly and offers
  • a sweetwater composition may be mixed with a 30%
  • magnesium chloride brine which is commonly available and used commercially as a road
  • the magnesium chloride brine and sweetwater may be mixed in a number of
  • composition of the invention contains a corrosion inhibitor.
  • One such corrosion inhibitor is sodium citrate, which may have a 7.0 pH.
  • sodium citrate (7.0 pH) solution may be added to the mixture to enhance the corrosion
  • composition of the invention may also contain additional additives to enhance
  • steepwater sometimes referred to as s.w.,
  • condensed fermented corn extractives, or steepwater solubles may be used as an additive
  • corrosion inhibitor may refer to any commercially available
  • the steepwater may be about 20 to 80 percent by weight solids with the balance being water. In other embodiments, the
  • steepwater may be about 30-70 percent solids, 40-60 percent solids, or 50 percent solids.
  • the steepwater used within the scope of the invention may be made by any type of
  • wet com milling plants also produce ethanol, with the resulting wet distillers solubles co-
  • steepwater refers to a
  • byproduct from agricultural processing that is used in an animal feed of the invention may be any byproduct from agricultural processing that is used in an animal feed of the invention.
  • the sweetwater composition may be combined with a
  • This embodiment may also contain a brine mixture containing approximately 15 to 60 percent salt. In one embodiment, this composition may contain
  • a corrosion inhibitor may only be needed in embodiments of
  • composition that contain a chloride brine.
  • steepwater which may serve as a
  • corrosion inhibitor may, in some embodiments, only be used in embodiments of the
  • the composition may have approximately 15-50 percent by
  • a sugar-water mixture having approximately 15 to 80
  • percent by weight of a sugar solid may be added with a brine containing 15-40% salt by
  • a corrosion inhibitor may also be added to
  • composition to form a composition having approximately 50-95 percent by volume of
  • a steepwater solubles-water admixture may be combined
  • the composition may contain about 80 percent by weight of the brine mixture, 6 to 7 percent by weight of the steepwater solubles-water admixture, and 13 to 14
  • such a composition may
  • the composition may have about 90-95 percent by volume of
  • composition contains 92.5% by volume of a 36
  • Blend No. 1 material, which will be referred to as Blend No. 1, could be mixed with varying amounts of
  • steepwater although in some embodiments, steepwater may only be used in embodiments
  • magnesium chloride brine magnesium chloride brine
  • Another embodiment of the invention is a blend of 25 D.E. com symp at about 40
  • Such a blend may be mixed with magnesium chloride to form a blend of
  • the 25 D.E. com symp may be mixed with magnesium chloride brine to form a product with a ratio of brine to com symp of 80:20
  • Blend No. 1 may be also be mixed with brines to form blends of varying
  • composition One blend, referred to throughout the attached Figures 1-9 as "Caliber
  • Ml 000 may contain about 90 percent magnesium chloride brine by volume and 10
  • Blend No. 1 percent of Blend No. 1 by volume.
  • Another blend referred to as “Caliber M2000,” may
  • Blend No. 1 by volume. Still other blends may have about 15 percent of Blend No. 1 and 85 percent
  • Caliber SI 000 may contain about 90
  • FIGS. 1 -9 depict various properties and characteristics of embodiments of the present disclosure.
  • composition of the invention such as a low eutectic point, a pH near 7.0, and a low
  • Figure 1 illustrates a phase data chart and diagram for one
  • Caliber Ml 000 compared to a magnesium chloride brine, a
  • Ice Ban M50 and Ice Ban M80 are commercially available products known as Ice Ban M50 and Ice Ban M80, and are commercially available products.
  • the percent solids refers to the overall percentage of solids in the solution tested, and different
  • FIG 1 illustrates, the embodiment of the invention referred to as Caliber Ml 000 has a
  • magnesium chloride, calcium chloride, and sodium chloride drop crystals at certain percent
  • Figure 3 is a chart that shows phase data (eutectic point at different percent solids, which is
  • %DS %DS
  • Figure 2 is a chart depicting the melting capacity for various embodiments of the
  • composition of the invention compared to prior art blends.
  • Caliber Ml 000 has a melting capacity that comes close to meeting
  • Figure 4 is a chart showing the ice penetration for rock salt compared to rock salt
  • Magnesium chloride brine is slightly less corrosive than salt
  • composition of the invention is designed to be slightly more
  • the viscosity of the embodiment known as Caliber Ml 000 has
  • Figure 9 is a graph of the friction value for a dry road compared to a road treated
  • a surface treated with Caliber M1000 will be more slick than a dry road (i.e., a road
  • the surface treated with Caliber M 1000 is the least slick surface
  • the embodiments of the invention is a low eutectic point.
  • the embodiments of the invention may also reduce the impact on the

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
PCT/US2000/020218 1999-07-26 2000-07-25 De-icing composition and method Ceased WO2001007532A1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AT00950661T ATE522587T1 (de) 1999-07-26 2000-07-25 Enteisungszusammensetzung
EP00950661A EP1238037B1 (en) 1999-07-26 2000-07-25 De-icing composition
AU63735/00A AU6373500A (en) 1999-07-26 2000-07-25 De-icing composition and method
CA002379106A CA2379106C (en) 1999-07-26 2000-07-25 De-icing composition and method
JP2001512805A JP4868674B2 (ja) 1999-07-26 2000-07-25 氷結防止用組成物及び氷結防止方法
US10/025,210 US6468442B2 (en) 1999-07-26 2001-12-19 De-icing composition and method
IS6240A IS2899B (is) 1999-07-26 2002-01-18 Afþýðingarsamsetning og -aðferð
US10/236,043 US6852247B2 (en) 1999-07-26 2002-09-05 De-icing composition and method
US10/260,225 US20030107022A1 (en) 1999-07-26 2002-09-30 De-icing composition and method
US10/643,960 US20050001198A1 (en) 1999-07-26 2003-08-20 De-icing composition and method
US11/818,410 US7563386B2 (en) 1999-07-26 2007-06-14 De-icing composition and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14557699P 1999-07-26 1999-07-26
US60/145,576 1999-07-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/025,210 Continuation US6468442B2 (en) 1999-07-26 2001-12-19 De-icing composition and method

Publications (1)

Publication Number Publication Date
WO2001007532A1 true WO2001007532A1 (en) 2001-02-01

Family

ID=22513710

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/020218 Ceased WO2001007532A1 (en) 1999-07-26 2000-07-25 De-icing composition and method

Country Status (10)

Country Link
US (3) US6468442B2 (https=)
EP (2) EP1238037B1 (https=)
JP (1) JP4868674B2 (https=)
KR (1) KR100777194B1 (https=)
CN (1) CN1370212A (https=)
AT (1) ATE522587T1 (https=)
AU (1) AU6373500A (https=)
CA (1) CA2379106C (https=)
IS (1) IS2899B (https=)
WO (1) WO2001007532A1 (https=)

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US6315919B1 (en) 1997-09-30 2001-11-13 Mli Associates L.L.C. Environmentally benign anti-icing or deicing fluids
US6436310B1 (en) 1998-01-07 2002-08-20 Sears Petroleum & Transport Corporation Deicing solution
US6440325B1 (en) 1998-01-07 2002-08-27 Sears Petroleum & Transport Corporation De-icing solution
US6506318B1 (en) 1997-09-30 2003-01-14 Mli Associates, Llc Environmentally benign anti-icing or deicing fluids
US6582622B1 (en) 1998-01-07 2003-06-24 Sears Petroleum & Transport Corp. De-icing solution
US6596188B1 (en) 1998-01-07 2003-07-22 Sears Petroleum & Transport Corp. Deicing solution
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IS6240A (is) 2002-01-18
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CA2379106A1 (en) 2001-02-01
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US20030085376A1 (en) 2003-05-08
US20030107022A1 (en) 2003-06-12
CN1370212A (zh) 2002-09-18
US6852247B2 (en) 2005-02-08
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US20020125459A1 (en) 2002-09-12
US6468442B2 (en) 2002-10-22
JP4868674B2 (ja) 2012-02-01
JP2003505574A (ja) 2003-02-12
EP1238037A1 (en) 2002-09-11
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