IL41372A - A self extinguishing high impact resistant polymeric polyblend - Google Patents

A self extinguishing high impact resistant polymeric polyblend

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Publication number
IL41372A
IL41372A IL41372A IL4137273A IL41372A IL 41372 A IL41372 A IL 41372A IL 41372 A IL41372 A IL 41372A IL 4137273 A IL4137273 A IL 4137273A IL 41372 A IL41372 A IL 41372A
Authority
IL
Israel
Prior art keywords
grafted
rubber
weight
polyblend
monomer
Prior art date
Application number
IL41372A
Other versions
IL41372A0 (en
Original Assignee
Monsanto Co
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
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of IL41372A0 publication Critical patent/IL41372A0/en
Publication of IL41372A publication Critical patent/IL41372A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/08—Copolymers of styrene
    • C08L25/12—Copolymers of styrene with unsaturated nitriles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
    • C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
    • C08F279/04—Vinyl aromatic monomers and nitriles as the only monomers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K3/2279—Oxides; Hydroxides of metals of antimony
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

Claims (47)

CLAIMS WHAT IS CLAIMED IS: 1. A self-extinguishing high impact strength polymeric polyblend composition comprising: A. a polymer of at least one monovinylidene aromatic monomer and an ethylenically un- saturated nitrile monomer wherein said ethylenically unsaturated nitrile monomer moiety constitutes from 0% to about 90% by weight of the said polymer uniformly blended with B. a grafted chloroprene rubber, said rubber grafted with:
1. at least one monovinylidene aromatic monomer and 2. an ethylenically unsaturated nitrile monomer wherein said ethylenically unsaturated nitrile monomer moiety constitutes from 0% to about 90% by weight . of the total monomers grafted with C. an inorganic compound selected from the group consisting of Sb202 , BI2O3, MoOg, Sn02, WOg , and mixtures of the same.
2. The polyblend of Claim 1, wherein said monovinylidene aromatic monomer is selected from the group consisting of. styrene , aralkylstyrenes , alphalkylstyrenes , alphahalostyrenes , arhalostyrenes and mixtures of the same. fi=fi£==l-2=-3≤-3i 08-12-0211
3. The polyblend of Claim 1, wherein at least one of the monovinylidene aromatic monomers is styrene.
4. A polyblend of Claim 1, wherein at least one of the monovinylidene aromatic monomers is alpha-methylstyrene .
5. The polyblend of Claim 1, wherein at least one of the monovinylidene aromatic monomers is monochlorostyrene .
6. A polyblend of Claim 1, wherein at least one of the monovinylidene aromatic monomers is monobromostyrene.
7. The polyblend of Claim 1, wherein said ethyleni-cally unsaturated nitrxle is selected from the group consisting of acrylonitrile , methacrylonitrile , ethacrylonitrile and mixtures of the same.
8. The polyblend of Claim 1, wherein said ethyleni-cally unsaturated nitrile is acrylonitrile.
9. The polyblend of Claim 1, wherein the ethyleni-cally unsaturated nitrile is methacrylonitrile.
10. The polyblend of Claim 1, wherein said grafted chloroprene rubber is present in from about 16.5% to 80% by weight of the polyblend providing from about 15% to 40% by weight of chloroprene rubber in the polyblend.
11. The polyblend of Claim 1, wherein said inorganic compound is present in the amount of about 1-15% by weight.
12. The polyblend of Claim 1, wherein said inorganic compound is Sb^O . =e=§-8=i-g-»-&S=S= 08-12-0211
13. The polyblend of Claim 1, having a first grafted chloroprene rubber wherein the average graft rubber particle size, based on weight average, is about 0.01 to 0.35 microns, a second grafted chloroprene rubber wherein the average rubber particle size, based on weight average, is about 0.40 to 1.5 microns wherein said first grafted rubber is present in from about 50.0 to 97.0 percent of the total weight of the first an second grafted rubbers; said first grafted rubber being grafte from about 10 to 100% by weight with said monomers and said second grafted rubber being grafted from about 5 to 40% by weight with said monomers.
14. The composition' of Claim 1 having a grafted chloro prene rubber wherein the weight average rubber particle size is about 0.4 to 1.0 microns, being grafted with from about 10% to 100% by weight of said monomers based on the weight of the chloroprene rubber.
15. The composition of Claim 1, wherein said grafted chloroprene rubber is crosslinked having a Mooney viscosity of about at least 200 (MS-2-1/2 min . 212°F.).
16. The composition of Claim 1, wherein said grafted chloroprene rubber has a rubber moiety comprising chloroprene copolymerized with at least one monomer copolymerizable with said chloroprene.
17. The composition of Claim 16, wherein said grafted · chloroprene rubber has a rubber moiety comprising chloroprene copolymerized with at least one monomer selected from the group consisting of styrene , acrylonitrile , methacrylonitrile , butadiene or isoprene and mixtures thereof. 08-12-0211
18. A composition of Claim 17, wherein said monomer is styrene .
19. A composition of Claim 1, wherein said polyblend having interpolymerized a monomer selected from the group consisting of acrylic acid, methyl acrylate, ethyl acrylate, butyl aerylate, 2-ethylhexyl acrylate, methacrylic acid, methyl meth-acrylate , ethyl methcrylate, butyl methacrylate , 2-ethylhexyl methacrylate and mixtures thereof.
20. The polyblend of Claim 1, wherein about 0.5% to 5% by weight of the total polyblend is a diene rubber said diene rubber being grafted with: (1) at least one monovinylidene aromatic monomer and (2) an ethylenically unsaturated nitrile monomer wherein said ethylenically unsaturated nitrile monomer moiety constitutes from 0 to about 90% .by weight of the total monomers grafted wherein said grafted diene rubber having a weight average rubber particle size of from about 0.7 to 4.0 microns is grafted with from about 50% to 150% by weight of said monomer and wherein said grafted chloroprene rubber has a weight average rubber particle size of from about 0.01 to 0.35 microns being present in said polyblend in from about 16.5% to 80% by weight of the polyblend providing from about 15% to 40% by weight of chloroprene rubber in the polyblend and said grafted chloroprene rubber being crosslinked having a Mooney viscosity of at least about 200 (MS-2-1/2 min . , 212°F.) C=ft8=i2=:&2=3:£ 08-12-0211
21. The polyblend of Claim 20, wherein said mono-vinylidene aromatic monomer is styrene.
22. The polyblend of Claim 20, wherein said ethyleni-cally unsaturated nitrile monomer is acrylonitrile .
23. A polyblend of Claim 20, wherein said diene rubber is selected from the group consisting of polybutadiene , buta-diene-styrene copolymer or butadiene-acrylonitrile copolymer wherein said polybutadiene rubber has a cis isomer content of about 30% to 98% and a Tg range of from about -50°C. to -105°C. said butadiene copolymer rubbers having a Tg range of from about -20°C. to -7Q°C.
24. A polyblend of Claim 20, wherein said grafted chloroprene rubber moiety comprising chloroprene copolymerized with at least one monomer selected from the group consisting of styrene, acrylonitrile, methacrylonitrile , butadiene or isoprene and mixtures thereof. 08-12-0211
25. A method for rendering a polymer of: A. at least one monovinylidene aromatic monomer and B. an ethylenically unsaturated nitrile monomer, wherein said ethylenically unsaturated monomer moiety constitutes from 0% to about 90% by weight of the total monomers, self-extinguishing, by blending said polymer with a grafted chloroprene rubber and an inorganic compound forming a polyblend ; ,said grafted A · rubber comprising from about 16.5% to 80% by weight of the total polyblend providing from about 15% to 40% by weight of chloroprene rubber in the polyblend and the inorganic compound comprising about 1-15% by weight of the total blend and said grafted chloroprene rubber being crosslinked having a -Mooney viscosity of about at least 200(MS-2-l/2 min. , 212°F.).
26. The method of Claim 25, wherein said grafted chloroprene rubber comprises a first grafted chloroprene rubber wherein the average graft rubber particle size, based on weight average, is from about 0.01 to 0.35 microns, a second grafted chloroprene rubber wherein the average rubber particle size, based on weight average, is from about 0.40 to 1.5 microns wherein said first grafted rubber is present in from about 50.0 to 97.0 percent of the total weight of the first and second grafted rubbers; being grafted from about 10 to 100% by weight with said monomers and said second grafted rubber being grafted from about 5 to 40% by weight with said monomers =©»=θ3^-2»£-2=34 08-12-0211 ^
27. A method of Claim 25, wherein said grafted chloro-prene rubber has a weight average particle size of from about 0.40 to 1.50 microns, said chloroprene rubber being grafted from about 10 to 100% with said monomers.
28. A method of Claim 25, wherein said grafted chloroprene rubber has a rubber moiety comprising chloroprene co-polymerized with at least one monomer selected from the group consisting of styrene,. acrylonitrile, methacrylonitrile, butadiene or isoprene and mixtures thereof.
29. The method of Claim 25, wherein said monovinyli-dene aromatic monomer is selected from the group consisting of styrene, aralkylstyrenes , alphalkylstyrenes , arhalostyrenes , alphahalostyrenes and mixtures of the same.
30. The method of Claim 25, wherein the monovinylidene aromatic monomer is styrene.
31. The method of Claim 25, wherein the monovinylidene aromatic monomer is monochlorostyrene .
32. A method of Claim 25, wherein at least one monovinylidene aromatic monomer is monobromostyrene.
33. The method of Claim 25, wherein the ethylenically unsaturated nitrile is selected from the group consisting of acrylonitrile, methacrylonitrile and ethacrylonitrile and mixtures of the same.
34. The method of Claim 25, wherein said ethylenically unsaturated nitrile is acrylonitrile. 08-12-0211
35. The method of Claim 25, wherein said ethylenically unsaturated nitrile is methacrylonitrile .
36. The method of Claim 25, wherein said inorganic compound is Sl^Og.
37. The method of Claim 25, wherein said blending is accomplished by first admixing the dry solids of said polymer, said grafted chloroprene rubber and said inorganic compound, followed by subjecting the dry solids admixture to mechanical working wherein the melt temperature of said polymer is reached and said rubber and said inorganic compound are dispersed uniformly in the polymer melt followed by cooling the polymer melt to a solid form and finally comminuting said solid form.
38. The method of Claim 25, wherein said blending is accomplished by admixing a latex containing said polymer with a latex of said grafted chloroprene rubber; coagulating said admixture; separating the solids; drying the solids; dry blending the. solids with said inorganic compound; subjecting said dry blend to mechanical working wherein the melt temperature of said polymer is reached and said rubber and said organic compound are dispersed uniformly in the polymer melt; cooling the polymer melt to a solid form and finally comminuting said solid form. 08-12-0211
39. A method of Claim 25, wherein said blending step comprises blending said polymer with said grafted chloroprene rubber, said inorganic compound and a grafted butadiene rubber selected from the group consisting of polybutadiene and copolymers of butadiene wherein said polybutadiene rubber comprises from about 0.5% to 5% by weight of said polyblend, said polybutadiene rubber being grafted with: (1) at least one monovinylidene aromatic monomer, and (2) an ethylenically unsaturated nitrile monomer wherein said ethylenically unsaturated nitrile monomer moiety constitutes from 0 to about 90% by weight of the total monomers grafted wherein said grafted diene rubber having a weight average rubber particle size of from about 0.7 to 4.0 microns is grafted with from about 50% to 150% by weight of said monomer and wherein said grafted chloroprene rubber has a weight average rubber particle size of from about 0.01 to 0.35 microns being present in said polyblend in from about 16.5% to 80% by weight of the polyblend providing from about 15% to 40% by weight of chloroprene rubber in the polyblend.
40. A method of Claim 39, wherein said monovinylidene aromatic monomer is styrene.
41. A method of Claim 39, wherein said ethylenically unsaturated nitrile monomer is acrylonitrile . QSQ&~12-&2 1 08-12-0211 ¾k
42. A method of Claim 39, wherein said polybutadiene rubber is selected from the group consisting of polybutadiene, butadiene-styrene copolymer or butadiene-acrylonitrile copolymer wherein said polybutadiene rubber has a cis isomer content of about 30% to 90% and a Tg range of from about -50°C. to -105°C. said butadiene copolymer rubbers having a Tg range of from about -20°C. to -70°C.
43. A method of Claim 39, wherein said grafted poi -chloroprene rubber has a rubber moiety comprising chloroprene copolymerized with at least one monomer selected from the group consisting of styrene, acrylonitrile , methacrylonitrile , butadiene or isoprene and mixtures thereof.
44. A self-extinguishing polymeric polyblend article of manufacture, comprising in combination: A. a polymer of at least one monovinylidene aromatic monomer and an ethylenically unsaturated nitrile monomer wherein said ethylenically unsaturated nitrile monomer moiety constitutes from 0% to about 90% by weight of the said polymer blended with B. a grafted chloroprene rubber, said rubber grafted with: 1. at least one monovinylidene aromatic monomer, and 2. an ethylenically unsaturated nitrile monomer wherein said ethylenically unsaturated nitrile monomer moiety constitutes from 0% to about 90% by weight of the total monomers grafted and said 08-12-0211 grafted chloroprene rubber comprises a first grafted chloroprene rubber wherein the average graft rubber particle size, based on weight average, is from about 0.01 to 0.35 microns, a second grafted chloroprene rubber wherein the average rubber particle size, based on weight average, is from about 0.40 to 1.50 microns, said first grafted rubber is grafted from about 10 to 100% with said monomers, being present in from about 50.0 to 97.0 percent of the total weight of the first and second grafted rubbers, said second grafted rubber is grafted from about 5 to 40% with said monomers; said grafted rubbers providing about 15% to 40% by weight of chloroprene rubber in the poly blend; said grafted chloroprene rubber being crosslinked having a Mooney viscos ity of about at least 200 (MS-2-1/2 min. 212°F. ) , and Sb203 in an amount of about 1 to 15% by weight of said polyblend. £≡Β¾Ξΐ?≡¾=?=3ϊ 08-12-0211 -^.
45. ■45. An article of manufacture of Claim 44, wherein said grafted chloroprene rubber has a rubber moiety comprising chloroprene copolymerized with at least one monomer selected from the group consisting of styrene , acrylonitrile , meth-acrylonitrile , butadiene or isoprene and mixtures thereof.
46. A self-extinguishing high impact strength polymeric polyblend composition comprising: A. a polymer of at least one monovinylidene aromatic monomer and an ethylenically unsaturated nitrile monomer wherein said ethylenically unsaturated nitrile monomer moiety constitutes from 0% to about 90% by weight of the said polymer, and B. a grafted chloroprene rubber, said rubber grafted with : 1. at least one monovinylidene aromatic monomer, and 2. an ethylenically unsaturated nitrile monomer wherein said ethylenically unsaturated nitrile monomer moiety constitutes from 0% to about 90% by weight of the total monomers grafted and said grafted chloroprene rubber comprises a first grafted chloroprene rubber wherein the average graft rubber particle size, based on weight average, is from about 0.01 to 0.35 microns, a second grafted chloroprene rubber wherein the average rubber particle size, based on weight average, is from about 0.40 to 1.50 &-Q=8=«i=g»-=8=2=3=i= 08-12-0211 f microns, said first grafted rubber is grafted from about 10 to 100% with said monomers, being present in from about 50.0 to 97.0 percent of the total weight of the first and second grafted rubbers, said second grafted rubber is grafted from about 5 to 40% with said monomers; said grafted rubbers providing about 15% to 40% by weight of chloroprene rubber in the polyblend, said grafted chloroprene rubber being crosslinked having a Mooney viscosity of about at least 200 (MS-2-1/2 min. , 212°F. ) and C. Sb20g is an amount of about 1 to 15% by weight of said polyblend.
47. A polyblend composition of Claim 45, wherein said grafted chloroprene rubber has a rubber moiety comprising chloroprene copolymerized with at least one monomer selected from the group consisting of styrene , acrylonitrile , meth-acrylonitrile , butadiene or isoprene and mixtures thereof. COHEN ZEDE & SPISBACH P.0. Box 33116 , Tel-/- viv Attorneys for Applicant
IL41372A 1972-01-24 1973-01-23 A self extinguishing high impact resistant polymeric polyblend IL41372A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22042872A 1972-01-24 1972-01-24
US29194972A 1972-09-25 1972-09-25

Publications (2)

Publication Number Publication Date
IL41372A0 IL41372A0 (en) 1973-03-30
IL41372A true IL41372A (en) 1976-04-30

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ID=26914879

Family Applications (1)

Application Number Title Priority Date Filing Date
IL41372A IL41372A (en) 1972-01-24 1973-01-23 A self extinguishing high impact resistant polymeric polyblend

Country Status (10)

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AR (1) AR193445A1 (en)
BE (1) BE792104A (en)
CA (1) CA1012671A (en)
DE (1) DE2257066C2 (en)
ES (1) ES409227A1 (en)
FR (1) FR2169575A5 (en)
GB (1) GB1361899A (en)
IL (1) IL41372A (en)
IT (1) IT972850B (en)
NL (1) NL171069C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065428A (en) * 1975-12-05 1977-12-27 Monsanto Company Polymethylmethacrylate based molding compositions
US4130605A (en) * 1976-04-26 1978-12-19 Monsanto Company Method for reducing the dripping in flaming polystyrene compositions
CN108530789B (en) * 2018-03-21 2021-02-02 青岛海纳新材料有限公司 Environment-friendly flame-retardant injection molding grade ACS modified material and preparation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1274688A (en) * 1969-07-02 1972-05-17 Harold Albert Andrews Improvements in or relating to connecting plates

Also Published As

Publication number Publication date
DE2257066A1 (en) 1973-08-02
BE792104A (en) 1973-05-30
NL171069C (en) 1983-02-01
FR2169575A5 (en) 1973-09-07
CA1012671A (en) 1977-06-21
NL7216237A (en) 1973-07-26
NL171069B (en) 1982-09-01
AR193445A1 (en) 1973-04-23
IT972850B (en) 1974-05-31
ES409227A1 (en) 1976-03-16
IL41372A0 (en) 1973-03-30
GB1361899A (en) 1974-07-30
DE2257066C2 (en) 1982-09-16
AU4900072A (en) 1974-05-23

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